Analysis

  • max time kernel
    135s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-04-2024 01:51

General

  • Target

    c26bd0f7c7c00b7cbe2545cf2f9240020f9498928f96091da19e1af943ac837b.exe

  • Size

    812KB

  • MD5

    5c78467103a9fb1d14d55ec3b57e740f

  • SHA1

    9f6805487a9a67f77e8cae1098ff9e8d24740917

  • SHA256

    c26bd0f7c7c00b7cbe2545cf2f9240020f9498928f96091da19e1af943ac837b

  • SHA512

    5c460ac6c28a874abb9f91e960eca2c7992372e0930dd12f2f44b18bc7e177ffd00b16f26d1a92680c21af2ebae514bfb51fd4f1ff061ed4340ac062129cd299

  • SSDEEP

    12288:bxjrr7F5qfMs8WdGk+08n4sHWihcNm2F0WRSl8CRHQSv+bEIFjJxw6ZqIZsCh0N:bxLsMs8WdZ789WN3F0KuQUQXXZl9w

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

185.222.58.253:55615

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c26bd0f7c7c00b7cbe2545cf2f9240020f9498928f96091da19e1af943ac837b.exe
    "C:\Users\Admin\AppData\Local\Temp\c26bd0f7c7c00b7cbe2545cf2f9240020f9498928f96091da19e1af943ac837b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3080
      • 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\RarSFX0\PO.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4236
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4400

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.exe
    Filesize

    523KB

    MD5

    8dca427eab6afd10df49829925f59d9e

    SHA1

    9735f697a89255d7641de835e25d7ef1974c31bb

    SHA256

    c7a4fd70d3705f22f9e60009dc7534be74e6a85358f90316a6af8f24f9676f32

    SHA512

    bfed795da12b2369c7c9081654d48e486c8a750008173cc1615cdd65f5b9d4f83bac31645f169af80ab9b13bda81a5579872d64a946a2e0762e6dbe292cdcab4

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\PO.jpg
    Filesize

    83KB

    MD5

    016025125f3b479aaabf8a4246073856

    SHA1

    123cf64214f2ba96dedc076d388ddf60d2ec5ce5

    SHA256

    39f3195908d56ee6d4d0f6484c913bbb268e934121856c590b397bbf7a3573ca

    SHA512

    4c83f010593e2ec86de367653a0c03aad7a41d1a7f6e26e302666ee81b6f4f4841e3395a026856e35ba9d092ef530af0756b4adb13e944dd7a0d5d5b64ddc62b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bk22t0zl.ftc.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3080-21-0x0000000005080000-0x0000000005092000-memory.dmp
    Filesize

    72KB

  • memory/3080-18-0x0000000004E70000-0x0000000004E80000-memory.dmp
    Filesize

    64KB

  • memory/3080-19-0x0000000004F20000-0x0000000004F2A000-memory.dmp
    Filesize

    40KB

  • memory/3080-20-0x00000000051D0000-0x000000000526C000-memory.dmp
    Filesize

    624KB

  • memory/3080-17-0x0000000004F70000-0x0000000005002000-memory.dmp
    Filesize

    584KB

  • memory/3080-22-0x00000000050A0000-0x00000000050AC000-memory.dmp
    Filesize

    48KB

  • memory/3080-23-0x00000000068A0000-0x0000000006900000-memory.dmp
    Filesize

    384KB

  • memory/3080-16-0x0000000005480000-0x0000000005A24000-memory.dmp
    Filesize

    5.6MB

  • memory/3080-26-0x0000000072F70000-0x0000000073720000-memory.dmp
    Filesize

    7.7MB

  • memory/3080-15-0x0000000072F70000-0x0000000073720000-memory.dmp
    Filesize

    7.7MB

  • memory/3080-14-0x00000000004C0000-0x0000000000544000-memory.dmp
    Filesize

    528KB

  • memory/3080-30-0x0000000072F70000-0x0000000073720000-memory.dmp
    Filesize

    7.7MB

  • memory/4236-68-0x00000000060E0000-0x00000000060FE000-memory.dmp
    Filesize

    120KB

  • memory/4236-73-0x0000000006ED0000-0x0000000006EDA000-memory.dmp
    Filesize

    40KB

  • memory/4236-82-0x0000000072F70000-0x0000000073720000-memory.dmp
    Filesize

    7.7MB

  • memory/4236-35-0x0000000072F70000-0x0000000073720000-memory.dmp
    Filesize

    7.7MB

  • memory/4236-36-0x0000000002440000-0x0000000002450000-memory.dmp
    Filesize

    64KB

  • memory/4236-38-0x0000000002440000-0x0000000002450000-memory.dmp
    Filesize

    64KB

  • memory/4236-39-0x0000000004DE0000-0x0000000005408000-memory.dmp
    Filesize

    6.2MB

  • memory/4236-79-0x0000000007180000-0x0000000007188000-memory.dmp
    Filesize

    32KB

  • memory/4236-78-0x00000000071A0000-0x00000000071BA000-memory.dmp
    Filesize

    104KB

  • memory/4236-77-0x00000000070A0000-0x00000000070B4000-memory.dmp
    Filesize

    80KB

  • memory/4236-76-0x0000000007090000-0x000000000709E000-memory.dmp
    Filesize

    56KB

  • memory/4236-42-0x0000000004C10000-0x0000000004C32000-memory.dmp
    Filesize

    136KB

  • memory/4236-43-0x0000000005410000-0x0000000005476000-memory.dmp
    Filesize

    408KB

  • memory/4236-44-0x0000000005480000-0x00000000054E6000-memory.dmp
    Filesize

    408KB

  • memory/4236-75-0x0000000007060000-0x0000000007071000-memory.dmp
    Filesize

    68KB

  • memory/4236-54-0x0000000005600000-0x0000000005954000-memory.dmp
    Filesize

    3.3MB

  • memory/4236-55-0x0000000005B30000-0x0000000005B4E000-memory.dmp
    Filesize

    120KB

  • memory/4236-56-0x000000007F9D0000-0x000000007F9E0000-memory.dmp
    Filesize

    64KB

  • memory/4236-57-0x0000000006100000-0x0000000006132000-memory.dmp
    Filesize

    200KB

  • memory/4236-58-0x000000006FA90000-0x000000006FADC000-memory.dmp
    Filesize

    304KB

  • memory/4236-74-0x00000000070E0000-0x0000000007176000-memory.dmp
    Filesize

    600KB

  • memory/4236-69-0x0000000002440000-0x0000000002450000-memory.dmp
    Filesize

    64KB

  • memory/4236-70-0x0000000006D00000-0x0000000006DA3000-memory.dmp
    Filesize

    652KB

  • memory/4236-71-0x00000000074A0000-0x0000000007B1A000-memory.dmp
    Filesize

    6.5MB

  • memory/4236-72-0x0000000006E60000-0x0000000006E7A000-memory.dmp
    Filesize

    104KB

  • memory/4236-33-0x0000000000D00000-0x0000000000D36000-memory.dmp
    Filesize

    216KB

  • memory/4400-25-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/4400-31-0x0000000072F70000-0x0000000073720000-memory.dmp
    Filesize

    7.7MB

  • memory/4400-41-0x00000000056C0000-0x00000000057CA000-memory.dmp
    Filesize

    1.0MB

  • memory/4400-32-0x0000000005840000-0x0000000005E58000-memory.dmp
    Filesize

    6.1MB

  • memory/4400-40-0x0000000005460000-0x00000000054AC000-memory.dmp
    Filesize

    304KB

  • memory/4400-37-0x0000000005420000-0x000000000545C000-memory.dmp
    Filesize

    240KB

  • memory/4400-34-0x00000000053C0000-0x00000000053D2000-memory.dmp
    Filesize

    72KB

  • memory/4400-83-0x0000000072F70000-0x0000000073720000-memory.dmp
    Filesize

    7.7MB