SYMBOLCOMMON_NAMEaka. SYNONYMS
win.zeppelin (Back to overview)

Zeppelin


Zeppelin is a ransomware written in Delphi and sold a as-a-service. The Cylance research team notes that it is a clear evolution of the known VegaLocker, but they assessed it as a new family becaue of additionally developed modules that makes Zeppelin much more configurable than Vegalocker. There are executable variants of type DLL and EXE.

References
2023-02-14IntrinsecIntrinsec, CTI Intrinsec
@online{intrinsec:20230214:vicesociety:2dffe2e, author = {Intrinsec and CTI Intrinsec}, title = {{Vice-Society spreads its own ransomware}}, date = {2023-02-14}, organization = {Intrinsec}, url = {https://www.intrinsec.com/vice-society-spreads-its-own-ransomware/}, language = {English}, urldate = {2023-02-15} } Vice-Society spreads its own ransomware
HelloKitty PolyVice Zeppelin
2022-10-25MicrosoftMicrosoft Security Threat Intelligence
@online{intelligence:20221025:dev0832:5d16a04, author = {Microsoft Security Threat Intelligence}, title = {{DEV-0832 (Vice Society) opportunistic ransomware campaigns impacting US education sector}}, date = {2022-10-25}, organization = {Microsoft}, url = {https://www.microsoft.com/en-us/security/blog/2022/10/25/dev-0832-vice-society-opportunistic-ransomware-campaigns-impacting-us-education-sector/}, language = {English}, urldate = {2023-02-03} } DEV-0832 (Vice Society) opportunistic ransomware campaigns impacting US education sector
BlackCat Mount Locker Zeppelin
2022-10-10RiskIQMicrosoft Threat Intelligence Center (MSTIC)
@online{mstic:20221010:dev0832:07768a3, author = {Microsoft Threat Intelligence Center (MSTIC)}, title = {{DEV-0832 Leverages Commodity Tools in Opportunistic Ransomware Campaigns}}, date = {2022-10-10}, organization = {RiskIQ}, url = {https://community.riskiq.com/article/47766fbd}, language = {English}, urldate = {2022-10-19} } DEV-0832 Leverages Commodity Tools in Opportunistic Ransomware Campaigns
BlackCat Mount Locker SystemBC Zeppelin
2022-09-06CISAUS-CERT, FBI, CISA, MS-ISAC
@online{uscert:20220906:alert:4058a6d, author = {US-CERT and FBI and CISA and MS-ISAC}, title = {{Alert (AA22-249A) #StopRansomware: Vice Society}}, date = {2022-09-06}, organization = {CISA}, url = {https://www.cisa.gov/uscert/ncas/alerts/aa22-249a}, language = {English}, urldate = {2022-09-16} } Alert (AA22-249A) #StopRansomware: Vice Society
Cobalt Strike Empire Downloader FiveHands HelloKitty SystemBC Zeppelin
2022-08-11CISACISA, FBI
@online{cisa:20220811:alert:d9f4fc0, author = {CISA and FBI}, title = {{Alert (AA22-223A) #StopRansomware: Zeppelin Ransomware}}, date = {2022-08-11}, organization = {CISA}, url = {https://www.cisa.gov/uscert/ncas/alerts/aa22-223a}, language = {English}, urldate = {2022-08-12} } Alert (AA22-223A) #StopRansomware: Zeppelin Ransomware
Zeppelin
2022-08-11CISAFBI, CISA
@techreport{fbi:20220811:stopransomware:d37ee96, author = {FBI and CISA}, title = {{#StopRansomware: Zeppelin Ransomware (PDF)}}, date = {2022-08-11}, institution = {CISA}, url = {https://www.cisa.gov/uscert/sites/default/files/publications/AA22-223A_Zeppelin_CSA.pdf}, language = {English}, urldate = {2022-08-15} } #StopRansomware: Zeppelin Ransomware (PDF)
Zeppelin
2022-07-08Sekoiasekoia
@online{sekoia:20220708:vice:d66b5b2, author = {sekoia}, title = {{Vice Society: a discreet but steady double extortion ransomware group}}, date = {2022-07-08}, organization = {Sekoia}, url = {https://blog.sekoia.io/vice-society-a-discreet-but-steady-double-extortion-ransomware-group/}, language = {English}, urldate = {2023-02-03} } Vice Society: a discreet but steady double extortion ransomware group
HelloKitty Zeppelin
2022-03-16SymantecSymantec Threat Hunter Team
@techreport{team:20220316:ransomware:1c2a72a, author = {Symantec Threat Hunter Team}, title = {{The Ransomware Threat Landscape: What to Expect in 2022}}, date = {2022-03-16}, institution = {Symantec}, url = {https://www.symantec.broadcom.com/hubfs/SED/SED_Threat_Hunter_Reports_Alerts/SED_FY22Q2_SES_Ransomware-Threat-Landscape_WP.pdf}, language = {English}, urldate = {2022-03-22} } The Ransomware Threat Landscape: What to Expect in 2022
AvosLocker BlackCat BlackMatter Conti DarkSide DoppelPaymer Emotet Hive Karma Mespinoza Nemty Squirrelwaffle VegaLocker WastedLocker Yanluowang Zeppelin
Yara Rules
[TLP:WHITE] win_zeppelin_auto (20201014 | autogenerated rule brought to you by yara-signator)
rule win_zeppelin_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.zeppelin"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { 3c02 740b 8d45e8 e8???????? }
            // n = 4, score = 400
            //   3c02                 | cmp                 al, 2
            //   740b                 | je                  0xd
            //   8d45e8               | lea                 eax, [ebp - 0x18]
            //   e8????????           |                     

        $sequence_1 = { 8d55cc b8???????? e8???????? ff75cc 8d55c8 8b4314 e8???????? }
            // n = 7, score = 400
            //   8d55cc               | lea                 edx, [ebp - 0x34]
            //   b8????????           |                     
            //   e8????????           |                     
            //   ff75cc               | push                dword ptr [ebp - 0x34]
            //   8d55c8               | lea                 edx, [ebp - 0x38]
            //   8b4314               | mov                 eax, dword ptr [ebx + 0x14]
            //   e8????????           |                     

        $sequence_2 = { e8???????? 8d45e0 8b55fc 0fb712 }
            // n = 4, score = 400
            //   e8????????           |                     
            //   8d45e0               | lea                 eax, [ebp - 0x20]
            //   8b55fc               | mov                 edx, dword ptr [ebp - 4]
            //   0fb712               | movzx               edx, word ptr [edx]

        $sequence_3 = { e8???????? 8b55b8 b801000080 59 e8???????? 84c0 7444 }
            // n = 7, score = 400
            //   e8????????           |                     
            //   8b55b8               | mov                 edx, dword ptr [ebp - 0x48]
            //   b801000080           | mov                 eax, 0x80000001
            //   59                   | pop                 ecx
            //   e8????????           |                     
            //   84c0                 | test                al, al
            //   7444                 | je                  0x46

        $sequence_4 = { e8???????? 6800080000 33c9 b201 a1???????? e8???????? 8bf8 }
            // n = 7, score = 400
            //   e8????????           |                     
            //   6800080000           | push                0x800
            //   33c9                 | xor                 ecx, ecx
            //   b201                 | mov                 dl, 1
            //   a1????????           |                     
            //   e8????????           |                     
            //   8bf8                 | mov                 edi, eax

        $sequence_5 = { 648910 68???????? 8d45c8 e8???????? 8d45d0 8b15???????? }
            // n = 6, score = 400
            //   648910               | mov                 dword ptr fs:[eax], edx
            //   68????????           |                     
            //   8d45c8               | lea                 eax, [ebp - 0x38]
            //   e8????????           |                     
            //   8d45d0               | lea                 eax, [ebp - 0x30]
            //   8b15????????         |                     

        $sequence_6 = { 8b45f4 803830 750b 8b45f4 e8???????? }
            // n = 5, score = 400
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   803830               | cmp                 byte ptr [eax], 0x30
            //   750b                 | jne                 0xd
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   e8????????           |                     

        $sequence_7 = { 53 0fb644240c 50 57 ff15???????? }
            // n = 5, score = 400
            //   53                   | push                ebx
            //   0fb644240c           | movzx               eax, byte ptr [esp + 0xc]
            //   50                   | push                eax
            //   57                   | push                edi
            //   ff15????????         |                     

        $sequence_8 = { e8???????? 4e 85f6 75cb 8b45ec e8???????? 6a00 }
            // n = 7, score = 400
            //   e8????????           |                     
            //   4e                   | dec                 esi
            //   85f6                 | test                esi, esi
            //   75cb                 | jne                 0xffffffcd
            //   8b45ec               | mov                 eax, dword ptr [ebp - 0x14]
            //   e8????????           |                     
            //   6a00                 | push                0

        $sequence_9 = { 50 8b442408 50 53 0fb644240c }
            // n = 5, score = 400
            //   50                   | push                eax
            //   8b442408             | mov                 eax, dword ptr [esp + 8]
            //   50                   | push                eax
            //   53                   | push                ebx
            //   0fb644240c           | movzx               eax, byte ptr [esp + 0xc]

    condition:
        7 of them and filesize < 2637824
}
Download all Yara Rules