Analysis

  • max time kernel
    142s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2023 16:39

General

  • Target

    TRANSFERI.exe

  • Size

    616KB

  • MD5

    77521173381682b5a1deb286bce27bf4

  • SHA1

    2ad56680cb0c821b18c269c63f4eeeb770140800

  • SHA256

    1de5d25aecac6b32b06fe38549376748d098fd43abb5c23f73ee9ddb780080d6

  • SHA512

    5366df45795f970f1b17113caf65c1e677b44da372cc85159fc4de4d8d32a08798aa4120cac956014c75fb71fce53ddfe8e76075b66c5f24e50a8f4a12254e53

  • SSDEEP

    12288:h36N/bxyuAFnSz0cYMSE7a45naENKqIfPbY9QPNTURftb2pLuxQ:h3gqSznYMP5MbskYVapuQ

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe
    "C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BwmGnyPcYGIy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:564
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BwmGnyPcYGIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED5D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4200
    • C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe
      "C:\Users\Admin\AppData\Local\Temp\TRANSFERI.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    1c255eb92c3ead1e213f7f48cfbcff64

    SHA1

    b54ba8985fe3e8f16fe493af026597b3346b9f1b

    SHA256

    ced5214213937fe5230da2f0653203014162c33f3848be5ea973f25729b59fc5

    SHA512

    973ec7f71e92675a8e328d3f594241d1d3e27ec62719c0673f11d1841ce1d5b23ce743cb73d02ac886b4073c41822e1bff348839fd95e77735073ecdefe9afe9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h1lj00nj.ewg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpED5D.tmp

    Filesize

    1KB

    MD5

    ab4755659fd046283fc35025aa8addaa

    SHA1

    2011e62ad92cf7a63e53f636aea6af665e9c70ce

    SHA256

    c55e476e84e1b38d3a06c43a4ac0a8c9ea7ee026f604141117ebd980aec727c6

    SHA512

    ac5de30fd8c2f86f9ebd91420880078122b324acb15fa9863cd28aa8f507f1f6a6dadd063061e3416404e613cb5a696a5c8109f459d624b8ec14dc6cd2ae0a7a

  • memory/564-86-0x00000000075F0000-0x0000000007604000-memory.dmp

    Filesize

    80KB

  • memory/564-58-0x0000000071010000-0x000000007105C000-memory.dmp

    Filesize

    304KB

  • memory/564-85-0x00000000075E0000-0x00000000075EE000-memory.dmp

    Filesize

    56KB

  • memory/564-84-0x00000000075B0000-0x00000000075C1000-memory.dmp

    Filesize

    68KB

  • memory/564-83-0x0000000007630000-0x00000000076C6000-memory.dmp

    Filesize

    600KB

  • memory/564-82-0x0000000007420000-0x000000000742A000-memory.dmp

    Filesize

    40KB

  • memory/564-80-0x0000000007A10000-0x000000000808A000-memory.dmp

    Filesize

    6.5MB

  • memory/564-79-0x00000000072E0000-0x0000000007383000-memory.dmp

    Filesize

    652KB

  • memory/564-69-0x0000000006650000-0x000000000666E000-memory.dmp

    Filesize

    120KB

  • memory/564-88-0x00000000076D0000-0x00000000076D8000-memory.dmp

    Filesize

    32KB

  • memory/564-57-0x000000007F670000-0x000000007F680000-memory.dmp

    Filesize

    64KB

  • memory/564-96-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/564-21-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

    Filesize

    64KB

  • memory/564-20-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/564-22-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

    Filesize

    64KB

  • memory/564-55-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

    Filesize

    64KB

  • memory/564-25-0x0000000004FC0000-0x0000000004FE2000-memory.dmp

    Filesize

    136KB

  • memory/564-52-0x0000000006090000-0x00000000060AE000-memory.dmp

    Filesize

    120KB

  • memory/564-27-0x0000000005A30000-0x0000000005A96000-memory.dmp

    Filesize

    408KB

  • memory/2468-51-0x0000000004C50000-0x0000000004C60000-memory.dmp

    Filesize

    64KB

  • memory/2468-98-0x0000000004C50000-0x0000000004C60000-memory.dmp

    Filesize

    64KB

  • memory/2468-97-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-28-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2468-49-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-100-0x00000000061A0000-0x0000000006362000-memory.dmp

    Filesize

    1.8MB

  • memory/2468-99-0x0000000005F80000-0x0000000005FD0000-memory.dmp

    Filesize

    320KB

  • memory/2532-56-0x0000000006C70000-0x0000000006CA2000-memory.dmp

    Filesize

    200KB

  • memory/2532-17-0x0000000004FE0000-0x0000000005608000-memory.dmp

    Filesize

    6.2MB

  • memory/2532-54-0x0000000002380000-0x0000000002390000-memory.dmp

    Filesize

    64KB

  • memory/2532-23-0x0000000002380000-0x0000000002390000-memory.dmp

    Filesize

    64KB

  • memory/2532-87-0x00000000072A0000-0x00000000072BA000-memory.dmp

    Filesize

    104KB

  • memory/2532-18-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/2532-59-0x0000000071010000-0x000000007105C000-memory.dmp

    Filesize

    304KB

  • memory/2532-53-0x0000000005C60000-0x0000000005CAC000-memory.dmp

    Filesize

    304KB

  • memory/2532-24-0x0000000002380000-0x0000000002390000-memory.dmp

    Filesize

    64KB

  • memory/2532-16-0x0000000002310000-0x0000000002346000-memory.dmp

    Filesize

    216KB

  • memory/2532-34-0x0000000005680000-0x00000000059D4000-memory.dmp

    Filesize

    3.3MB

  • memory/2532-81-0x0000000006F60000-0x0000000006F7A000-memory.dmp

    Filesize

    104KB

  • memory/2532-26-0x0000000004F20000-0x0000000004F86000-memory.dmp

    Filesize

    408KB

  • memory/2532-95-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/3496-10-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/3496-6-0x00000000058B0000-0x00000000058C6000-memory.dmp

    Filesize

    88KB

  • memory/3496-5-0x00000000058C0000-0x00000000058CA000-memory.dmp

    Filesize

    40KB

  • memory/3496-7-0x00000000058F0000-0x00000000058FA000-memory.dmp

    Filesize

    40KB

  • memory/3496-4-0x0000000005920000-0x0000000005930000-memory.dmp

    Filesize

    64KB

  • memory/3496-3-0x0000000005700000-0x0000000005792000-memory.dmp

    Filesize

    584KB

  • memory/3496-2-0x0000000005BD0000-0x0000000006174000-memory.dmp

    Filesize

    5.6MB

  • memory/3496-8-0x0000000006280000-0x00000000062E0000-memory.dmp

    Filesize

    384KB

  • memory/3496-1-0x0000000000C70000-0x0000000000D0E000-memory.dmp

    Filesize

    632KB

  • memory/3496-9-0x0000000008A40000-0x0000000008ADC000-memory.dmp

    Filesize

    624KB

  • memory/3496-15-0x0000000005920000-0x0000000005930000-memory.dmp

    Filesize

    64KB

  • memory/3496-0-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/3496-50-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB