Analysis

  • max time kernel
    59s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2023 22:55

General

  • Target

    file.exe

  • Size

    192KB

  • MD5

    25035abb52d2f2fb5d2ccf3970b28d4e

  • SHA1

    1755cd24d3a627032c996a5187058d800bafe9c8

  • SHA256

    b9b662268799479031a208b0d144559da6fe242a94b3329fc5b31d66f77900bf

  • SHA512

    14c5bebdd62fcad74c41fee2811ce3917dc6ba9bbdb3c0707f6d14618343f951a25abdb54dfd4c07b3545cefe8b336a835db99a4bf94097ea1dea56ba5819580

  • SSDEEP

    3072:gOhX0N7+f1y5GWp1icKAArDZz4N9GhbkrNEk1ssR84+aX5DD0Wv7VdcX07/:lhEN7+Op0yN90QEDs+9y7L/

Malware Config

Extracted

Family

redline

Botnet

france

C2

193.233.20.5:4136

Attributes
  • auth_value

    827023aa27bcc1cc2382e4d111feec6f

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\loda.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\loda.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4876
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nark.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nark.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1128

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\loda.exe
    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\loda.exe
    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nark.exe
    Filesize

    175KB

    MD5

    6991818e08082c4c140db502d2aff79f

    SHA1

    020ee1da61473dcd090805343601c1ae3d265032

    SHA256

    aa0a99779ffa4aa30aa23c9dc9db17b250457c5902e7d06aa785be97d764c3d0

    SHA512

    3f02448363aabe7515f1225a3291fb1fa0185ca78a302d70dd611b7f73b1b317a486eef61c2a7489a0d4e43301fa20c5fa48cb62d26f3e20d87aaeceb8a82d3e

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nark.exe
    Filesize

    175KB

    MD5

    6991818e08082c4c140db502d2aff79f

    SHA1

    020ee1da61473dcd090805343601c1ae3d265032

    SHA256

    aa0a99779ffa4aa30aa23c9dc9db17b250457c5902e7d06aa785be97d764c3d0

    SHA512

    3f02448363aabe7515f1225a3291fb1fa0185ca78a302d70dd611b7f73b1b317a486eef61c2a7489a0d4e43301fa20c5fa48cb62d26f3e20d87aaeceb8a82d3e

  • memory/1128-147-0x0000000006000000-0x00000000065A4000-memory.dmp
    Filesize

    5.6MB

  • memory/1128-145-0x0000000004F70000-0x0000000004FAC000-memory.dmp
    Filesize

    240KB

  • memory/1128-138-0x0000000000000000-mapping.dmp
  • memory/1128-152-0x0000000006FD0000-0x00000000074FC000-memory.dmp
    Filesize

    5.2MB

  • memory/1128-151-0x00000000068D0000-0x0000000006A92000-memory.dmp
    Filesize

    1.8MB

  • memory/1128-141-0x0000000000510000-0x0000000000542000-memory.dmp
    Filesize

    200KB

  • memory/1128-142-0x0000000005430000-0x0000000005A48000-memory.dmp
    Filesize

    6.1MB

  • memory/1128-143-0x0000000004FB0000-0x00000000050BA000-memory.dmp
    Filesize

    1.0MB

  • memory/1128-144-0x0000000004EE0000-0x0000000004EF2000-memory.dmp
    Filesize

    72KB

  • memory/1128-150-0x00000000065B0000-0x0000000006600000-memory.dmp
    Filesize

    320KB

  • memory/1128-146-0x0000000005280000-0x0000000005312000-memory.dmp
    Filesize

    584KB

  • memory/1128-149-0x0000000005F40000-0x0000000005FB6000-memory.dmp
    Filesize

    472KB

  • memory/1128-148-0x0000000005AC0000-0x0000000005B26000-memory.dmp
    Filesize

    408KB

  • memory/4876-132-0x0000000000000000-mapping.dmp
  • memory/4876-137-0x00007FF9704A0000-0x00007FF970F61000-memory.dmp
    Filesize

    10.8MB

  • memory/4876-135-0x0000000000B70000-0x0000000000B7A000-memory.dmp
    Filesize

    40KB

  • memory/4876-136-0x00007FF9704A0000-0x00007FF970F61000-memory.dmp
    Filesize

    10.8MB