Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2023 11:46

General

  • Target

    1a552b5db668c321e7f584e0f2d379afc41c00707e4fecad232823445bbcf8be_JC.exe

  • Size

    931KB

  • MD5

    8e841cfc7f7abab974f8adbc4e260346

  • SHA1

    385ba1dad2877c6a712cda30dbb4cd47007d93ce

  • SHA256

    1a552b5db668c321e7f584e0f2d379afc41c00707e4fecad232823445bbcf8be

  • SHA512

    ae50615333524c4b3aa89bb790567d3464ec122d5fc494af62c55762c0e522b7a05c2bb024b1bb0a422f4ea22727b0f372d21735475dc93fafe3dada58748691

  • SSDEEP

    24576:IwMf2oD5HOhpMmKHeErwqFSVSd+i92MScNXVbzQn:IBzODMmAeswqIHMtNX2

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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 18 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\1a552b5db668c321e7f584e0f2d379afc41c00707e4fecad232823445bbcf8be_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\1a552b5db668c321e7f584e0f2d379afc41c00707e4fecad232823445bbcf8be_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1980
    • 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\1a552b5db668c321e7f584e0f2d379afc41c00707e4fecad232823445bbcf8be_JC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IpqdQJORbvHjRe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3228
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IpqdQJORbvHjRe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F08.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3996
    • C:\Users\Admin\AppData\Local\Temp\1a552b5db668c321e7f584e0f2d379afc41c00707e4fecad232823445bbcf8be_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\1a552b5db668c321e7f584e0f2d379afc41c00707e4fecad232823445bbcf8be_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    becbd0548c629825d02d9fc4d9946004

    SHA1

    485e9540344d22d4dfcba7de99b4b5e53c09bca8

    SHA256

    a152768ebcd9312237b3edeb51fd60e749ae350795ab7ba79293c4792a736016

    SHA512

    b30ed2f8b8e1b47a61e6a02b2a2eca89b19f48d78e830bb42a346a633ce3c241241c53ed1267db51252db14f407953817be420f03de27f33f5606d86734f8495

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_frueqha1.pfx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp3F08.tmp

    Filesize

    1KB

    MD5

    6ca50df697ced064f547bb0fe79ab55b

    SHA1

    dac007159a72d384cfb3e368e013201b8ce9ba2f

    SHA256

    749cc6164697dd43c7eed574adc7952d148f267d8757b11cd2d0372758e056c1

    SHA512

    44a5d510294c501a3eb9ea4ad74a5545817706343f23c6b6ef773593c60c0039f5cf7505dc4424ea46e966349bf40d8bd2a315b59c920dcf5e0424cc0a1bfea2

  • memory/1980-8-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/1980-5-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

    Filesize

    40KB

  • memory/1980-6-0x0000000007F70000-0x000000000800C000-memory.dmp

    Filesize

    624KB

  • memory/1980-7-0x0000000008190000-0x00000000081A0000-memory.dmp

    Filesize

    64KB

  • memory/1980-4-0x0000000007F60000-0x0000000007F70000-memory.dmp

    Filesize

    64KB

  • memory/1980-9-0x0000000007F60000-0x0000000007F70000-memory.dmp

    Filesize

    64KB

  • memory/1980-10-0x00000000081F0000-0x00000000081FC000-memory.dmp

    Filesize

    48KB

  • memory/1980-11-0x000000000A0B0000-0x000000000A110000-memory.dmp

    Filesize

    384KB

  • memory/1980-50-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/1980-3-0x0000000007D00000-0x0000000007D92000-memory.dmp

    Filesize

    584KB

  • memory/1980-2-0x0000000008210000-0x00000000087B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1980-1-0x0000000000D20000-0x0000000000E0E000-memory.dmp

    Filesize

    952KB

  • memory/1980-0-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2832-49-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2832-104-0x0000000005940000-0x0000000005950000-memory.dmp

    Filesize

    64KB

  • memory/2832-51-0x0000000005940000-0x0000000005950000-memory.dmp

    Filesize

    64KB

  • memory/2832-46-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2832-101-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2832-103-0x0000000006B70000-0x0000000006D32000-memory.dmp

    Filesize

    1.8MB

  • memory/2832-102-0x0000000006950000-0x00000000069A0000-memory.dmp

    Filesize

    320KB

  • memory/3228-52-0x0000000006640000-0x000000000665E000-memory.dmp

    Filesize

    120KB

  • memory/3228-89-0x0000000007B50000-0x0000000007B61000-memory.dmp

    Filesize

    68KB

  • memory/3228-93-0x0000000007C70000-0x0000000007C78000-memory.dmp

    Filesize

    32KB

  • memory/3228-57-0x000000007FB10000-0x000000007FB20000-memory.dmp

    Filesize

    64KB

  • memory/3228-23-0x0000000002D20000-0x0000000002D30000-memory.dmp

    Filesize

    64KB

  • memory/3228-22-0x0000000002D20000-0x0000000002D30000-memory.dmp

    Filesize

    64KB

  • memory/3228-21-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-53-0x0000000006BE0000-0x0000000006C2C000-memory.dmp

    Filesize

    304KB

  • memory/3228-99-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-55-0x0000000002D20000-0x0000000002D30000-memory.dmp

    Filesize

    64KB

  • memory/3228-88-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-58-0x0000000007810000-0x0000000007842000-memory.dmp

    Filesize

    200KB

  • memory/3228-84-0x0000000007950000-0x000000000796A000-memory.dmp

    Filesize

    104KB

  • memory/3228-61-0x00000000712B0000-0x00000000712FC000-memory.dmp

    Filesize

    304KB

  • memory/3228-83-0x0000000007F90000-0x000000000860A000-memory.dmp

    Filesize

    6.5MB

  • memory/4028-19-0x0000000002470000-0x0000000002480000-memory.dmp

    Filesize

    64KB

  • memory/4028-59-0x00000000712B0000-0x00000000712FC000-memory.dmp

    Filesize

    304KB

  • memory/4028-72-0x00000000063C0000-0x00000000063DE000-memory.dmp

    Filesize

    120KB

  • memory/4028-82-0x0000000006E00000-0x0000000006EA3000-memory.dmp

    Filesize

    652KB

  • memory/4028-62-0x0000000002470000-0x0000000002480000-memory.dmp

    Filesize

    64KB

  • memory/4028-60-0x000000007F260000-0x000000007F270000-memory.dmp

    Filesize

    64KB

  • memory/4028-85-0x0000000007190000-0x000000000719A000-memory.dmp

    Filesize

    40KB

  • memory/4028-86-0x00000000073A0000-0x0000000007436000-memory.dmp

    Filesize

    600KB

  • memory/4028-87-0x0000000002470000-0x0000000002480000-memory.dmp

    Filesize

    64KB

  • memory/4028-56-0x0000000002470000-0x0000000002480000-memory.dmp

    Filesize

    64KB

  • memory/4028-54-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/4028-90-0x0000000007350000-0x000000000735E000-memory.dmp

    Filesize

    56KB

  • memory/4028-91-0x0000000007360000-0x0000000007374000-memory.dmp

    Filesize

    80KB

  • memory/4028-92-0x0000000007460000-0x000000000747A000-memory.dmp

    Filesize

    104KB

  • memory/4028-47-0x0000000005910000-0x0000000005C64000-memory.dmp

    Filesize

    3.3MB

  • memory/4028-27-0x00000000057A0000-0x0000000005806000-memory.dmp

    Filesize

    408KB

  • memory/4028-100-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/4028-26-0x00000000055C0000-0x0000000005626000-memory.dmp

    Filesize

    408KB

  • memory/4028-24-0x0000000004D20000-0x0000000004D42000-memory.dmp

    Filesize

    136KB

  • memory/4028-20-0x0000000004F20000-0x0000000005548000-memory.dmp

    Filesize

    6.2MB

  • memory/4028-18-0x0000000002470000-0x0000000002480000-memory.dmp

    Filesize

    64KB

  • memory/4028-17-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/4028-16-0x00000000024F0000-0x0000000002526000-memory.dmp

    Filesize

    216KB