SYMBOLCOMMON_NAMEaka. SYNONYMS
win.enfal (Back to overview)

Enfal

aka: Lurid

There is no description at this point.

References
2020-03-12Check PointCheck Point Research
@online{research:20200312:vicious:3218bb8, author = {Check Point Research}, title = {{Vicious Panda: The COVID Campaign}}, date = {2020-03-12}, organization = {Check Point}, url = {https://research.checkpoint.com/2020/vicious-panda-the-covid-campaign/}, language = {English}, urldate = {2020-03-13} } Vicious Panda: The COVID Campaign
8.t Dropper BYEBY Enfal Korlia Poison Ivy
2020SecureworksSecureWorks
@online{secureworks:2020:bronze:4db27ec, author = {SecureWorks}, title = {{BRONZE UNION}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/bronze-union}, language = {English}, urldate = {2020-05-23} } BRONZE UNION
9002 RAT CHINACHOPPER Enfal Ghost RAT HttpBrowser HyperBro owaauth PlugX Poison Ivy ZXShell LuckyMouse
2020SecureworksSecureWorks
@online{secureworks:2020:bronze:134ec2b, author = {SecureWorks}, title = {{BRONZE PALACE}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/bronze-palace}, language = {English}, urldate = {2020-05-23} } BRONZE PALACE
BS2005 Enfal Mirage RoyalCli Royal DNS Mirage
2015-10-17BSK ConsultingFlorian Roth
@online{roth:20151017:how:d7c4f42, author = {Florian Roth}, title = {{How to Write Simple but Sound Yara Rules – Part 2}}, date = {2015-10-17}, organization = {BSK Consulting}, url = {https://www.bsk-consulting.de/2015/10/17/how-to-write-simple-but-sound-yara-rules-part-2/}, language = {English}, urldate = {2019-07-11} } How to Write Simple but Sound Yara Rules – Part 2
Enfal
2015-02-06CrowdStrikeCrowdStrike
@techreport{crowdstrike:20150206:crowdstrike:fbcc37f, author = {CrowdStrike}, title = {{CrowdStrike Global Threat Intel Report 2014}}, date = {2015-02-06}, institution = {CrowdStrike}, url = {https://web.archive.org/web/20200509171721/https://raw.githubusercontent.com/fdiskyou/threat-INTel/master/2015/GlobalThreatIntelReport.pdf}, language = {English}, urldate = {2020-05-11} } CrowdStrike Global Threat Intel Report 2014
BlackPOS CryptoLocker Derusbi Elise Enfal EvilGrab Gameover P2P HttpBrowser Medusa Mirage Naikon NetTraveler pirpi PlugX Poison Ivy Sakula RAT Sinowal sykipot taidoor
Yara Rules
[TLP:WHITE] win_enfal_auto (20201014 | autogenerated rule brought to you by yara-signator)
rule win_enfal_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"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.enfal"
        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 = { 7528 807f1141 743d eb20 57 }
            // n = 5, score = 200
            //   7528                 | jne                 0x2a
            //   807f1141             | cmp                 byte ptr [edi + 0x11], 0x41
            //   743d                 | je                  0x3f
            //   eb20                 | jmp                 0x22
            //   57                   | push                edi

        $sequence_1 = { 880c02 8a4801 46 40 }
            // n = 4, score = 200
            //   880c02               | mov                 byte ptr [edx + eax], cl
            //   8a4801               | mov                 cl, byte ptr [eax + 1]
            //   46                   | inc                 esi
            //   40                   | inc                 eax

        $sequence_2 = { e8???????? 83c40c 8d8568feffff ff75fc 50 ff15???????? }
            // n = 6, score = 200
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8d8568feffff         | lea                 eax, [ebp - 0x198]
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_3 = { 53 50 e8???????? 59 48 59 }
            // n = 6, score = 200
            //   53                   | push                ebx
            //   50                   | push                eax
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   48                   | dec                 eax
            //   59                   | pop                 ecx

        $sequence_4 = { 57 89410c ffd6 8b4b1c }
            // n = 4, score = 200
            //   57                   | push                edi
            //   89410c               | mov                 dword ptr [ecx + 0xc], eax
            //   ffd6                 | call                esi
            //   8b4b1c               | mov                 ecx, dword ptr [ebx + 0x1c]

        $sequence_5 = { 57 50 6a00 6a01 ff7608 ff15???????? 8bd8 }
            // n = 7, score = 200
            //   57                   | push                edi
            //   50                   | push                eax
            //   6a00                 | push                0
            //   6a01                 | push                1
            //   ff7608               | push                dword ptr [esi + 8]
            //   ff15????????         |                     
            //   8bd8                 | mov                 ebx, eax

        $sequence_6 = { ffd7 83c410 ebd7 5f 5e }
            // n = 5, score = 200
            //   ffd7                 | call                edi
            //   83c410               | add                 esp, 0x10
            //   ebd7                 | jmp                 0xffffffd9
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi

        $sequence_7 = { 33c0 8dbdb5f9ffff 80a5b4f5ffff00 f3ab }
            // n = 4, score = 200
            //   33c0                 | xor                 eax, eax
            //   8dbdb5f9ffff         | lea                 edi, [ebp - 0x64b]
            //   80a5b4f5ffff00       | and                 byte ptr [ebp - 0xa4c], 0
            //   f3ab                 | rep stosd           dword ptr es:[edi], eax

        $sequence_8 = { 50 ff530c bfe9000000 6a05 57 68???????? e8???????? }
            // n = 7, score = 200
            //   50                   | push                eax
            //   ff530c               | call                dword ptr [ebx + 0xc]
            //   bfe9000000           | mov                 edi, 0xe9
            //   6a05                 | push                5
            //   57                   | push                edi
            //   68????????           |                     
            //   e8????????           |                     

        $sequence_9 = { 8d85b4f9ffff 50 e8???????? 8bf0 3bf7 7508 83c8ff }
            // n = 7, score = 200
            //   8d85b4f9ffff         | lea                 eax, [ebp - 0x64c]
            //   50                   | push                eax
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   3bf7                 | cmp                 esi, edi
            //   7508                 | jne                 0xa
            //   83c8ff               | or                  eax, 0xffffffff

    condition:
        7 of them and filesize < 65536
}
[TLP:WHITE] win_enfal_w0   (20170410 | Generic Rule to detect the Enfal Malware)
rule win_enfal_w0 {
    meta:
        author = "Florian Roth"
        description = "Generic Rule to detect the Enfal Malware"
        date = "2015/02/10"
        hash0 = "6d484daba3927fc0744b1bbd7981a56ebef95790"
        hash1 = "d4071272cc1bf944e3867db299b3f5dce126f82b"
        hash2 = "6c7c8b804cc76e2c208c6e3b6453cb134d01fa41"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.enfal"
        malpedia_version = "20170410"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
    strings:

        $s1 = "Micorsoft Corportation" fullword wide
        $s2 = "IM Monnitor Service" fullword wide

        $x1 = "imemonsvc.dll" fullword wide
        $x2 = "iphlpsvc.tmp" fullword
        $x3 = "{53A4988C-F91F-4054-9076-220AC5EC03F3}" fullword

        $z1 = "urlmon" fullword
        $z2 = "Registered trademarks and service marks are the property of their" wide
        $z3 = "XpsUnregisterServer" fullword
        $z4 = "XpsRegisterServer" fullword
    condition:
        (( 1 of ($s*)) or ( 2 of ($x*) and all of ($z*) ))
}
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