SYMBOLCOMMON_NAMEaka. SYNONYMS
win.hyperbro (Back to overview)

HyperBro

Actor(s): EMISSARY PANDA

VTCollection    

HyperBro is a RAT that has been observed to target primarily within the gambling industries, though it has been spotted in other places as well. The malware typically consists of 3 or more components: a) a genuine loader typically with a signed certification b) a malicious DLL loader loaded from the former component via DLL hijacking c) an encrypted and compressed blob that decrypts to a PE-based payload which has its C2 information hardcoded within.

References
2023-07-18 ⋅ Mandiant ⋅ Mandiant Intelligence
Stealth Mode: Chinese Cyber Espionage Actors Continue to Evolve Tactics to Avoid Detection
BPFDoor SALTWATER SEASPY SideWalk ZuoRAT Daxin HyperBro HyperSSL Waterbear
2022-10-18 ⋅ Intrinsec ⋅ CERT Intrinsec, Intrinsec
APT27 – One Year To Exfiltrate Them All: Intrusion In-Depth Analysis
HyperBro MimiKatz
2022-08-12 ⋅ Trend Micro ⋅ Daniel Lunghi, Jaromír Hořejší
Iron Tiger Compromises Chat Application Mimi, Targets Windows, Mac, and Linux Users
Rshell HyperBro Earth Berberoka
2022-08-12 ⋅ Trend Micro ⋅ Daniel Lunghi, Jaromír Hořejší
Iron Tiger Compromises Chat Application Mimi, Targets Windows, Mac, and Linux Users (IOCs)
HyperBro
2022-08-12 ⋅ Sekoia ⋅ Threat & Detection Research Team
LuckyMouse uses a backdoored Electron app to target MacOS
HyperBro
2022-02-07 ⋅ Cyware ⋅ Cyware
APT27 Group Targets German Organizations with HyperBro
HyperBro
2022-01-26 ⋅ BleepingComputer ⋅ Sergiu Gatlan
German govt warns of APT27 hackers backdooring business networks
HyperBro
2022-01-26 ⋅ Bundesamt für Verfassungsschutz ⋅ Bundesamt für Verfassungsschutz
Current cyber attack campaign against German business enterprises by APT27
HyperBro
2021-08-10 ⋅ FireEye ⋅ Israel Research Team, U.S. Threat Intel Team
UNC215: Spotlight on a Chinese Espionage Campaign in Israel
HyperBro HyperSSL MimiKatz
2021-04-29 ⋅ ESET Research ⋅ Andy Garth, Daniel Chromek, Matthieu Faou, Robert Lipovsky, Tony Anscombe
ESET Industry Report on Government: Targeted but not alone
Exaramel Crutch Exaramel HyperBro HyperSSL InvisiMole XDSpy
2021-04-09 ⋅ Trend Micro ⋅ Daniel Lunghi, Kenney Lu
Iron Tiger APT Updates Toolkit With Evolved SysUpdate Malware
HyperBro HyperSSL APT27
2020-12-10 ⋅ ESET Research ⋅ Mathieu Tartare
Operation StealthyTrident: corporate software under attack
HyperBro PlugX Tmanger TA428
2020-12-10 ⋅ ESET Research ⋅ Mathieu Tartare
Operation StealthyTrident: corporate software under attack
HyperBro PlugX ShadowPad Tmanger
2020-12-09 ⋅ Avast Decoded ⋅ Igor Morgenstern, Luigino Camastra
APT Group Targeting Governmental Agencies in East Asia
LaZagne Albaniiutas HyperBro MimiKatz PolPo Tmanger TaskMasters
2020-12-09 ⋅ Avast Decoded ⋅ Igor Morgenstern, Luigino Camastra
APT Group Targeting Governmental Agencies in East Asia
Albaniiutas HyperBro PlugX Tmanger TA428
2020-12-09 ⋅ Avast Decoded ⋅ Igor Morgenstern, Luigino Camastra
APT Group Targeting Governmental Agencies in East Asia
Albaniiutas HyperBro PlugX PolPo Tmanger
2020-11-27 ⋅ PTSecurity ⋅ Alexey Vishnyakov, Denis Goydenko
Investigation with a twist: an accidental APT attack and averted data destruction
TwoFace CHINACHOPPER HyperBro MegaCortex MimiKatz
2020-10-30 ⋅ YouTube (Kaspersky Tech) ⋅ Kris McConkey
Around the world in 80 days 4.2bn packets
Cobalt Strike Derusbi HyperBro Poison Ivy ShadowPad Winnti
2020-09-30 ⋅ Team Cymru ⋅ Jacomo Piccolini, James Shank
Pandamic: Emissary Pandas in the Middle East
HyperBro HyperSSL
2020-06-03 ⋅ Trend Micro ⋅ Daniel Lunghi
How to perform long term monitoring of careless threat actors
BBSRAT HyperBro Trochilus RAT
2020-03-25 ⋅ Team Cymru ⋅ Team Cymru
How the Iranian Cyber Security Agency Detects Emissary Panda Malware
HyperBro
2020-02-18 ⋅ Trend Micro ⋅ Cedric Pernet, Daniel Lunghi, Jamz Yaneza, Kenney Lu
Uncovering DRBControl: Inside the Cyberespionage Campaign Targeting Gambling Operations
Cobalt Strike HyperBro PlugX Trochilus RAT Operation DRBControl
2020-02-17 ⋅ Talent-Jump Technologies ⋅ Theo Chen, Zero Chen
CLAMBLING - A New Backdoor Base On Dropbox
HyperBro PlugX
2020-01-01 ⋅ FireEye ⋅ Mandiant, Mitchell Clarke, Tom Hall
Mandiant IR Grab Bag of Attacker Activity
TwoFace CHINACHOPPER HyperBro HyperSSL
2020-01-01 ⋅ Secureworks ⋅ SecureWorks
BRONZE UNION
9002 RAT CHINACHOPPER Enfal Ghost RAT HttpBrowser HyperBro owaauth PlugX Poison Ivy ZXShell APT27
2019-06-13 ⋅ ae CERT ⋅ ae CERT
Advanced Notification of Cyber Threats against Family of Malware Giving Remote Access to Computers
HyperBro HyperSSL
2019-02-27 ⋅ Secureworks ⋅ CTU Research Team
A Peek into BRONZE UNION’s Toolbox
Ghost RAT HyperBro ZXShell
2018-06-13 ⋅ Kaspersky Labs ⋅ Denis Legezo
LuckyMouse hits national data center to organize country-level waterholing campaign
HyperBro APT27
Yara Rules
[TLP:WHITE] win_hyperbro_auto (20260917 | Detects win.hyperbro.)
rule win_hyperbro_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.hyperbro."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hyperbro"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 6a00 50 ff15???????? 85c0 7522 8b06 }
            // n = 6, score = 400
            //   6a00                 | push                0
            //   50                   | push                eax
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   7522                 | jne                 0x24
            //   8b06                 | mov                 eax, dword ptr [esi]

        $sequence_1 = { 85c0 7461 8b442410 85c0 0f8691000000 8d54241c }
            // n = 6, score = 400
            //   85c0                 | test                eax, eax
            //   7461                 | je                  0x63
            //   8b442410             | mov                 eax, dword ptr [esp + 0x10]
            //   85c0                 | test                eax, eax
            //   0f8691000000         | jbe                 0x97
            //   8d54241c             | lea                 edx, [esp + 0x1c]

        $sequence_2 = { e8???????? 83c404 55 6a00 50 8944241c }
            // n = 6, score = 400
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   55                   | push                ebp
            //   6a00                 | push                0
            //   50                   | push                eax
            //   8944241c             | mov                 dword ptr [esp + 0x1c], eax

        $sequence_3 = { 8b5604 8b06 83ea04 52 8d4804 51 50 }
            // n = 7, score = 400
            //   8b5604               | mov                 edx, dword ptr [esi + 4]
            //   8b06                 | mov                 eax, dword ptr [esi]
            //   83ea04               | sub                 edx, 4
            //   52                   | push                edx
            //   8d4804               | lea                 ecx, [eax + 4]
            //   51                   | push                ecx
            //   50                   | push                eax

        $sequence_4 = { 8b4618 33ff 3bc7 7412 }
            // n = 4, score = 400
            //   8b4618               | mov                 eax, dword ptr [esi + 0x18]
            //   33ff                 | xor                 edi, edi
            //   3bc7                 | cmp                 eax, edi
            //   7412                 | je                  0x14

        $sequence_5 = { eb0a 8b16 03d1 891a }
            // n = 4, score = 400
            //   eb0a                 | jmp                 0xc
            //   8b16                 | mov                 edx, dword ptr [esi]
            //   03d1                 | add                 edx, ecx
            //   891a                 | mov                 dword ptr [edx], ebx

        $sequence_6 = { 8bd6 2bd7 c1e802 2bd0 81ea01080000 41 3bd3 }
            // n = 7, score = 400
            //   8bd6                 | mov                 edx, esi
            //   2bd7                 | sub                 edx, edi
            //   c1e802               | shr                 eax, 2
            //   2bd0                 | sub                 edx, eax
            //   81ea01080000         | sub                 edx, 0x801
            //   41                   | inc                 ecx
            //   3bd3                 | cmp                 edx, ebx

        $sequence_7 = { 50 8903 e8???????? 83c40c c7460848484848 e8???????? 83c018 }
            // n = 7, score = 400
            //   50                   | push                eax
            //   8903                 | mov                 dword ptr [ebx], eax
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   c7460848484848       | mov                 dword ptr [esi + 8], 0x48484848
            //   e8????????           |                     
            //   83c018               | add                 eax, 0x18

        $sequence_8 = { e8???????? 6882000000 6a00 50 894628 }
            // n = 5, score = 400
            //   e8????????           |                     
            //   6882000000           | push                0x82
            //   6a00                 | push                0
            //   50                   | push                eax
            //   894628               | mov                 dword ptr [esi + 0x28], eax

        $sequence_9 = { 53 e8???????? 8b470c 89042b 8b06 50 e8???????? }
            // n = 7, score = 400
            //   53                   | push                ebx
            //   e8????????           |                     
            //   8b470c               | mov                 eax, dword ptr [edi + 0xc]
            //   89042b               | mov                 dword ptr [ebx + ebp], eax
            //   8b06                 | mov                 eax, dword ptr [esi]
            //   50                   | push                eax
            //   e8????????           |                     

    condition:
        7 of them and filesize < 352256
}
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