Overview

overview

10

Static

static

f0c0bd9f24...01.exe

windows7-x64

7

f0c0bd9f24...01.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 04:24

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General

  • Target

    f0c0bd9f2464a22b26cd1e59f061c301.exe

  • Size

    2.1MB

  • MD5

    f0c0bd9f2464a22b26cd1e59f061c301

  • SHA1

    9f4af038778fd91eb409c774c88325d23cf48c26

  • SHA256

    0eb58b723318b8746280abd3d278a6325deba933c67d41cf638aa89244d6c3c7

  • SHA512

    090872ec9db441be82172fe4b093ec0f6b55183341fea747e8ea66591aa81422e69d2b5d227369b22f7088a7d9d8eeb0fdd0d4818072372032425d2c321e0748

  • SSDEEP

    24576:lJ/Q7WLg9oER9uXtIkOrGoJHcuA2yZdwMrl9Je:d

Score
10/10
colibribuild1collectionloaderspywarestealer

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Signatures

  • Colibri Loader

    A loader sold as MaaS first seen in August 2021.

    loadercolibri
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0c0bd9f2464a22b26cd1e59f061c301.exe
    "C:\Users\Admin\AppData\Local\Temp\f0c0bd9f2464a22b26cd1e59f061c301.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2764
    • C:\Users\Admin\AppData\Local\Temp\tmp742B.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp742B.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Users\Admin\AppData\Local\Temp\tmp742B.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp742B.tmp.exe"
        3⤵
        • Executes dropped EXE
        PID:4908

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp742B.tmp.exe
    Filesize

    75KB

    MD5

    e0a68b98992c1699876f818a22b5b907

    SHA1

    d41e8ad8ba51217eb0340f8f69629ccb474484d0

    SHA256

    2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

    SHA512

    856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp742B.tmp.exe
    Filesize

    75KB

    MD5

    e0a68b98992c1699876f818a22b5b907

    SHA1

    d41e8ad8ba51217eb0340f8f69629ccb474484d0

    SHA256

    2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

    SHA512

    856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp742B.tmp.exe
    Filesize

    75KB

    MD5

    e0a68b98992c1699876f818a22b5b907

    SHA1

    d41e8ad8ba51217eb0340f8f69629ccb474484d0

    SHA256

    2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

    SHA512

    856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

    Download Submit
  • memory/2764-132-0x0000000000480000-0x00000000006AA000-memory.dmp
    Filesize

    2.2MB

    Download
  • memory/2764-133-0x00007FFD7E010000-0x00007FFD7EAD1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/2764-142-0x00007FFD7E010000-0x00007FFD7EAD1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4908-138-0x0000000000000000-mapping.dmp
    Download
  • memory/4908-139-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

    Download
  • memory/4908-141-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

    Download
  • memory/4928-134-0x0000000000000000-mapping.dmp
    Download
  • memory/4928-137-0x000000000121B000-0x0000000001221000-memory.dmp
    Filesize

    24KB

    Download