Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    19-11-2021 19:06

General

  • Target

    bde64a1b356c3eacaf76a9a47893a816.exe

  • Size

    169KB

  • MD5

    bde64a1b356c3eacaf76a9a47893a816

  • SHA1

    5b34858d77fbf9b7e0037175a5448ca3e9466178

  • SHA256

    5617cf97967fc9377f8b775f52fe43c8c54f9cab67fa164f6f903d4ebe9b79c2

  • SHA512

    a2ba793d200318fd08344c8727fda1ed1427120206a274365495434316e131d05d98ea0d7e23e3b68bcae180fe86889f8727aa793e5a299355b9964212337eff

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
  • url4cnc

    http://91.219.236.27/capibar

    http://5.181.156.92/capibar

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Arkei Stealer Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 9 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bde64a1b356c3eacaf76a9a47893a816.exe
    "C:\Users\Admin\AppData\Local\Temp\bde64a1b356c3eacaf76a9a47893a816.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Users\Admin\AppData\Local\Temp\bde64a1b356c3eacaf76a9a47893a816.exe
      "C:\Users\Admin\AppData\Local\Temp\bde64a1b356c3eacaf76a9a47893a816.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:872
  • C:\Users\Admin\AppData\Local\Temp\8852.exe
    C:\Users\Admin\AppData\Local\Temp\8852.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\8852.exe
      C:\Users\Admin\AppData\Local\Temp\8852.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1540
  • C:\Users\Admin\AppData\Local\Temp\9FAA.exe
    C:\Users\Admin\AppData\Local\Temp\9FAA.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\AppData\Local\Temp\9FAA.exe
      C:\Users\Admin\AppData\Local\Temp\9FAA.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1624
  • C:\Users\Admin\AppData\Local\Temp\B675.exe
    C:\Users\Admin\AppData\Local\Temp\B675.exe
    1⤵
    • Executes dropped EXE
    PID:360
  • C:\Users\Admin\AppData\Local\Temp\D5D9.exe
    C:\Users\Admin\AppData\Local\Temp\D5D9.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1608
  • C:\Users\Admin\AppData\Local\Temp\F06B.exe
    C:\Users\Admin\AppData\Local\Temp\F06B.exe
    1⤵
    • Executes dropped EXE
    PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\8852.exe
    MD5

    4ebe441be9489f7b16fef3f98d2f0a91

    SHA1

    ef70bb8c983cacc72fb4d473d1ed3c3a8c7cf0ef

    SHA256

    75f6edf722224fc3097c1ed8be83d4fabff72cbe4480201c2e4fe01dd4c1a231

    SHA512

    6cfa9388bf8ee996aad9723d9bb8e4c2777725b880380ed5caca5a7ae05aeb5b2da2cc4223465e9dc6f6c9d534d364d96a0d1c8d2eb6e732d92d7593e7cba6f1

  • C:\Users\Admin\AppData\Local\Temp\8852.exe
    MD5

    4ebe441be9489f7b16fef3f98d2f0a91

    SHA1

    ef70bb8c983cacc72fb4d473d1ed3c3a8c7cf0ef

    SHA256

    75f6edf722224fc3097c1ed8be83d4fabff72cbe4480201c2e4fe01dd4c1a231

    SHA512

    6cfa9388bf8ee996aad9723d9bb8e4c2777725b880380ed5caca5a7ae05aeb5b2da2cc4223465e9dc6f6c9d534d364d96a0d1c8d2eb6e732d92d7593e7cba6f1

  • C:\Users\Admin\AppData\Local\Temp\8852.exe
    MD5

    4ebe441be9489f7b16fef3f98d2f0a91

    SHA1

    ef70bb8c983cacc72fb4d473d1ed3c3a8c7cf0ef

    SHA256

    75f6edf722224fc3097c1ed8be83d4fabff72cbe4480201c2e4fe01dd4c1a231

    SHA512

    6cfa9388bf8ee996aad9723d9bb8e4c2777725b880380ed5caca5a7ae05aeb5b2da2cc4223465e9dc6f6c9d534d364d96a0d1c8d2eb6e732d92d7593e7cba6f1

  • C:\Users\Admin\AppData\Local\Temp\9FAA.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\9FAA.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\9FAA.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • C:\Users\Admin\AppData\Local\Temp\B675.exe
    MD5

    a93ee3be032ac2a200af6f5673ecc492

    SHA1

    a6fb35b4230ae92ae50a2f3a4e7f0ca7341e9f1c

    SHA256

    f106e2efb90c57289bbe57b3be618c063c1bc70f3eaabd2afa73e53c2168a54d

    SHA512

    d4796fda3e4de570d77ffb5dd9efa8172647832e3e2e491d12578d19b9f8de6b876b349f827050f1aa6f6121cf0a5558e4cd4e4c920a33f2f46732b1ca99e321

  • C:\Users\Admin\AppData\Local\Temp\D5D9.exe
    MD5

    03651bfa0fa57d86e5a612e0cc81bc09

    SHA1

    67738024bea02128f0d7a9939e193dc706bcd0d8

    SHA256

    48183fd297159559ea5ca3f626bf6ade7bdbaeefec816116a30da7969642ce6b

    SHA512

    b9efdef3230478dc4691034bc7e556c313c536115166e4493f7754755d6ab9515c771f51620a5bf5c21bf19b42eb77d95bd040b0f1d3205c715cb21175cffbd4

  • C:\Users\Admin\AppData\Local\Temp\F06B.exe
    MD5

    b0d0e89fde2d4c1c75d96afcf9c045ea

    SHA1

    6496236cbf9bf09b9134d839ca2193c505a2ff7d

    SHA256

    029c138b1e48d4016e13e07ce8a336ae4be3a645265c36618afeca3265518a14

    SHA512

    c30dd8bcdcfe32078b4f6ac67f5238d5d8db727de76548a83169d7d750daf7a7ab1f7813fdfdcad8ce61c0ba69f76d1a050cb8a22cac0b7aa6aef501c56a6294

  • \Users\Admin\AppData\Local\Temp\8852.exe
    MD5

    4ebe441be9489f7b16fef3f98d2f0a91

    SHA1

    ef70bb8c983cacc72fb4d473d1ed3c3a8c7cf0ef

    SHA256

    75f6edf722224fc3097c1ed8be83d4fabff72cbe4480201c2e4fe01dd4c1a231

    SHA512

    6cfa9388bf8ee996aad9723d9bb8e4c2777725b880380ed5caca5a7ae05aeb5b2da2cc4223465e9dc6f6c9d534d364d96a0d1c8d2eb6e732d92d7593e7cba6f1

  • \Users\Admin\AppData\Local\Temp\9FAA.exe
    MD5

    5e34695c9f46f1e69ce731d3b7359c88

    SHA1

    e1e5bb43f0c7556bcccc8cb698f854694bdc024a

    SHA256

    97f96815d81f9c1c8ede31f1c21fda2bee7cbab3490184ef833d9d2e8c17e6fc

    SHA512

    659fa0b695942c35dd4ef499d6c01d9b2a8c23254ea31465a126fd71a0d542ee71da9349ffc8226083393ed37c0668f63c97cc7ef3e014eae793b1f1ba7d6b43

  • memory/360-93-0x00000000004A0000-0x000000000052F000-memory.dmp
    Filesize

    572KB

  • memory/360-91-0x0000000000220000-0x000000000026F000-memory.dmp
    Filesize

    316KB

  • memory/360-92-0x0000000000400000-0x0000000000491000-memory.dmp
    Filesize

    580KB

  • memory/360-88-0x0000000000000000-mapping.dmp
  • memory/792-58-0x0000000000220000-0x0000000000228000-memory.dmp
    Filesize

    32KB

  • memory/792-59-0x0000000000230000-0x0000000000239000-memory.dmp
    Filesize

    36KB

  • memory/872-57-0x00000000760C1000-0x00000000760C3000-memory.dmp
    Filesize

    8KB

  • memory/872-55-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/872-56-0x0000000000402DD8-mapping.dmp
  • memory/1108-61-0x0000000000000000-mapping.dmp
  • memory/1108-69-0x0000000000230000-0x0000000000238000-memory.dmp
    Filesize

    32KB

  • memory/1164-105-0x0000000000400000-0x000000000043D000-memory.dmp
    Filesize

    244KB

  • memory/1164-100-0x0000000000000000-mapping.dmp
  • memory/1164-104-0x00000000002E0000-0x0000000000301000-memory.dmp
    Filesize

    132KB

  • memory/1164-103-0x0000000000220000-0x0000000000234000-memory.dmp
    Filesize

    80KB

  • memory/1396-60-0x0000000002610000-0x0000000002626000-memory.dmp
    Filesize

    88KB

  • memory/1396-72-0x0000000002C70000-0x0000000002C86000-memory.dmp
    Filesize

    88KB

  • memory/1396-106-0x0000000004510000-0x0000000004526000-memory.dmp
    Filesize

    88KB

  • memory/1540-66-0x0000000000402DD8-mapping.dmp
  • memory/1608-98-0x0000000000220000-0x0000000000229000-memory.dmp
    Filesize

    36KB

  • memory/1608-99-0x0000000000400000-0x0000000001085000-memory.dmp
    Filesize

    12.5MB

  • memory/1608-96-0x000000000119B000-0x00000000011AC000-memory.dmp
    Filesize

    68KB

  • memory/1608-94-0x0000000000000000-mapping.dmp
  • memory/1624-79-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1624-87-0x0000000000420000-0x0000000000421000-memory.dmp
    Filesize

    4KB

  • memory/1624-85-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1624-83-0x0000000000418EEA-mapping.dmp
  • memory/1624-82-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1624-80-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1624-81-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1624-78-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1880-76-0x0000000004A50000-0x0000000004A51000-memory.dmp
    Filesize

    4KB

  • memory/1880-74-0x0000000001160000-0x0000000001161000-memory.dmp
    Filesize

    4KB

  • memory/1880-70-0x0000000000000000-mapping.dmp