Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2023 18:11

General

  • Target

    c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe

  • Size

    364KB

  • MD5

    d42a5ffaa8adf709411fd8f90206f603

  • SHA1

    e045a3ce2ea6415dec7b1e0280e4b5bd58ff70dc

  • SHA256

    c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3

  • SHA512

    eac6e5863f546caeaebceff1cf849b7a0c2068d4aa4a7399437a91588952bf79f29fab2400b524871b9dece0dcd986ef86db77b0a0a4d84ce88fdc118bf2d88d

  • SSDEEP

    6144:j0nHBIKD2SJMzodRpUZNFvz6agXHW+RbQn18DDuY/NXOcwPFUPdk6ceh9X3P960G:UHfD2S+j56Jmub0aDuYlXOcwPS1k6ceN

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Users\Admin\AppData\Local\Temp\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe
      C:\Users\Admin\AppData\Local\Temp\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c671eea6e5c27b900aa96f1bea1f0dab359f175d149047adfa0e4aca83fac6f3_JC.exe.log

    Filesize

    706B

    MD5

    f8bcaf312de8591707436c1dcebba8e4

    SHA1

    a1269828e5f644601622f4a7a611aec8f2eda0b2

    SHA256

    f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29

    SHA512

    3a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413

  • memory/936-13-0x0000000005950000-0x0000000005960000-memory.dmp

    Filesize

    64KB

  • memory/936-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/936-17-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/936-16-0x0000000006B00000-0x0000000006B0A000-memory.dmp

    Filesize

    40KB

  • memory/936-15-0x0000000006BB0000-0x0000000006D72000-memory.dmp

    Filesize

    1.8MB

  • memory/936-14-0x0000000006990000-0x00000000069E0000-memory.dmp

    Filesize

    320KB

  • memory/936-11-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/4156-7-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

    Filesize

    40KB

  • memory/4156-6-0x0000000004A80000-0x0000000004A90000-memory.dmp

    Filesize

    64KB

  • memory/4156-2-0x0000000004A90000-0x0000000004AE4000-memory.dmp

    Filesize

    336KB

  • memory/4156-12-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/4156-0-0x00000000000B0000-0x0000000000112000-memory.dmp

    Filesize

    392KB

  • memory/4156-5-0x0000000004D10000-0x0000000004DAC000-memory.dmp

    Filesize

    624KB

  • memory/4156-1-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/4156-4-0x0000000004C70000-0x0000000004D02000-memory.dmp

    Filesize

    584KB

  • memory/4156-3-0x0000000005180000-0x0000000005724000-memory.dmp

    Filesize

    5.6MB