Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-02-2025 05:32

General

  • Target

    c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb.exe

  • Size

    708KB

  • MD5

    cda26758d383d4440f407947e1bc38fe

  • SHA1

    f159f961491285f6f02e483f65644fc8e145090e

  • SHA256

    c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb

  • SHA512

    45d6cf1a76371ce275ebadb96e24ef966baacddc2b686fdb10634380068e423d65b00de5d0d00ac2e2aea95b52ea479341d824103453b3a21be6f3d9ddaae34d

  • SSDEEP

    12288:ft8fURnHb+Qv6HNbwV4dZmcCa5c986GQbsXnfkTys3XpApPE4tan1bZKfURnHbpy:qMRHPv6tkVGZBJI86G8WnfmmE4t/MRHY

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 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\c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb.exe
    "C:\Users\Admin\AppData\Local\Temp\c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4828
    • 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\c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1900
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tjvxuavKFXO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjvxuavKFXO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB8B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2460
    • C:\Users\Admin\AppData\Local\Temp\c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb.exe
      "C:\Users\Admin\AppData\Local\Temp\c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1992

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

    aa9df4a8a83eb2f4de4821984ba2ecf1

    SHA1

    dd11d065cb40ece96c3fa36d72749c12745d3043

    SHA256

    98a98ad12a880eaa42e1107476d807d2da0ec5c37e8ca618119f3a52f923ba40

    SHA512

    f7f37a9e890477c656ddb73302e9ed3d6af720dead83dbaec06edfd8269ec6724c1bbbf0d4de64abe396ac9570373748c3ccc89f5a6b2b5b4612e4075b5e8f04

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fhqoelgw.ft0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDB8B.tmp

    Filesize

    1KB

    MD5

    dff7613dc3f106ea4fef29fc87a398d4

    SHA1

    2339b451503440b7d9a11b32874c5fd0c0a82155

    SHA256

    1474ed2aec0dd41e2fad76424e1ffbd1c8065d5b0ea1b9deb5494ff5cd1267d0

    SHA512

    f8d5a2f8fe486cb475207d6ad2d5af7e607b49fffeb278ef2831ec7dad51168bfaff25efe14faa4241a14a080769590769f5651918a4621ee3d267301f0515e0

  • memory/1900-67-0x00000000070A0000-0x0000000007136000-memory.dmp

    Filesize

    600KB

  • memory/1900-68-0x0000000007020000-0x0000000007031000-memory.dmp

    Filesize

    68KB

  • memory/1900-85-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-48-0x0000000005AE0000-0x0000000005AFE000-memory.dmp

    Filesize

    120KB

  • memory/1900-82-0x0000000007140000-0x0000000007148000-memory.dmp

    Filesize

    32KB

  • memory/1900-81-0x0000000007160000-0x000000000717A000-memory.dmp

    Filesize

    104KB

  • memory/1900-80-0x0000000007060000-0x0000000007074000-memory.dmp

    Filesize

    80KB

  • memory/1900-15-0x0000000002210000-0x0000000002246000-memory.dmp

    Filesize

    216KB

  • memory/1900-16-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-17-0x0000000004CD0000-0x00000000052F8000-memory.dmp

    Filesize

    6.2MB

  • memory/1900-18-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-79-0x0000000007050000-0x000000000705E000-memory.dmp

    Filesize

    56KB

  • memory/1900-19-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-62-0x0000000006CE0000-0x0000000006CFE000-memory.dmp

    Filesize

    120KB

  • memory/1900-66-0x0000000006E90000-0x0000000006E9A000-memory.dmp

    Filesize

    40KB

  • memory/1900-23-0x0000000004C30000-0x0000000004C52000-memory.dmp

    Filesize

    136KB

  • memory/1900-25-0x0000000005370000-0x00000000053D6000-memory.dmp

    Filesize

    408KB

  • memory/1900-50-0x0000000006050000-0x000000000609C000-memory.dmp

    Filesize

    304KB

  • memory/1900-36-0x00000000054B0000-0x0000000005804000-memory.dmp

    Filesize

    3.3MB

  • memory/1900-64-0x0000000007470000-0x0000000007AEA000-memory.dmp

    Filesize

    6.5MB

  • memory/1900-65-0x0000000006E20000-0x0000000006E3A000-memory.dmp

    Filesize

    104KB

  • memory/1900-24-0x0000000005300000-0x0000000005366000-memory.dmp

    Filesize

    408KB

  • memory/1900-51-0x0000000006CA0000-0x0000000006CD2000-memory.dmp

    Filesize

    200KB

  • memory/1900-52-0x000000006F950000-0x000000006F99C000-memory.dmp

    Filesize

    304KB

  • memory/1900-63-0x0000000006D00000-0x0000000006DA3000-memory.dmp

    Filesize

    652KB

  • memory/1992-90-0x00000000064E0000-0x0000000006530000-memory.dmp

    Filesize

    320KB

  • memory/1992-91-0x0000000006700000-0x00000000068C2000-memory.dmp

    Filesize

    1.8MB

  • memory/1992-37-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2156-21-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-89-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-26-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-22-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-69-0x000000006F950000-0x000000006F99C000-memory.dmp

    Filesize

    304KB

  • memory/4828-3-0x0000000005580000-0x0000000005612000-memory.dmp

    Filesize

    584KB

  • memory/4828-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

    Filesize

    4KB

  • memory/4828-4-0x0000000005560000-0x000000000556A000-memory.dmp

    Filesize

    40KB

  • memory/4828-10-0x000000000D8A0000-0x000000000D93C000-memory.dmp

    Filesize

    624KB

  • memory/4828-9-0x0000000004F40000-0x0000000004FAC000-memory.dmp

    Filesize

    432KB

  • memory/4828-8-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/4828-6-0x00000000066E0000-0x00000000066FE000-memory.dmp

    Filesize

    120KB

  • memory/4828-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

    Filesize

    5.6MB

  • memory/4828-1-0x0000000000C10000-0x0000000000CC4000-memory.dmp

    Filesize

    720KB

  • memory/4828-7-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

    Filesize

    4KB

  • memory/4828-49-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/4828-5-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB