Overview

overview

10

Static

static

8f53ac20b7...1b.exe

windows7-x64

10

8f53ac20b7...1b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2022 08:29

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General

  • Target

    8f53ac20b7777477c10ecbe163968c472457d3819ebafb20f232c5b1a448eb1b.exe

  • Size

    413KB

  • MD5

    127768b759970c351b9d9947c97a3c83

  • SHA1

    5c7cca03e0cd8af8a5bb2c70a48f917965ae9514

  • SHA256

    8f53ac20b7777477c10ecbe163968c472457d3819ebafb20f232c5b1a448eb1b

  • SHA512

    b324d7ff35c2ab81ccee687d32af9e9f30b2a75182a5cf9244061069ffcf3718df5c7b06c40819e772309f6aaba2cfe987e13c821c85471c6bb1a437fa06dffd

Score
10/10
colibribuild1discoveryloaderspywarestealer

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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f53ac20b7777477c10ecbe163968c472457d3819ebafb20f232c5b1a448eb1b.exe
    "C:\Users\Admin\AppData\Local\Temp\8f53ac20b7777477c10ecbe163968c472457d3819ebafb20f232c5b1a448eb1b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3800
    • C:\Users\Admin\AppData\Local\Temp\tmp761F.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp761F.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:60
      • C:\Users\Admin\AppData\Local\Temp\tmp761F.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp761F.tmp.exe"
        3⤵
        • Executes dropped EXE
        PID:3972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp761F.tmp.exe
    Filesize

    52KB

    MD5

    d8e1495b46cded57eb1423b8bb789834

    SHA1

    db64bc20550e51c602dbb92d07c8f02842efebcc

    SHA256

    aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8

    SHA512

    8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp761F.tmp.exe
    Filesize

    52KB

    MD5

    d8e1495b46cded57eb1423b8bb789834

    SHA1

    db64bc20550e51c602dbb92d07c8f02842efebcc

    SHA256

    aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8

    SHA512

    8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp761F.tmp.exe
    Filesize

    52KB

    MD5

    d8e1495b46cded57eb1423b8bb789834

    SHA1

    db64bc20550e51c602dbb92d07c8f02842efebcc

    SHA256

    aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8

    SHA512

    8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb

    Download Submit
  • memory/60-132-0x0000000000000000-mapping.dmp
    Download
  • memory/3800-139-0x000000001C400000-0x000000001C412000-memory.dmp
    Filesize

    72KB

    Download
  • memory/3800-144-0x000000001DEA0000-0x000000001DEF0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/3800-148-0x00007FFA85630000-0x00007FFA860F1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3800-147-0x000000001EC60000-0x000000001F188000-memory.dmp
    Filesize

    5.2MB

    Download
  • memory/3800-130-0x0000000000B10000-0x0000000000B7C000-memory.dmp
    Filesize

    432KB

    Download
  • memory/3800-131-0x00007FFA85630000-0x00007FFA860F1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3800-140-0x000000001C460000-0x000000001C49C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/3800-146-0x000000001E560000-0x000000001E722000-memory.dmp
    Filesize

    1.8MB

    Download
  • memory/3800-142-0x000000001DF20000-0x000000001DF96000-memory.dmp
    Filesize

    472KB

    Download
  • memory/3800-143-0x000000001C440000-0x000000001C45E000-memory.dmp
    Filesize

    120KB

    Download
  • memory/3800-135-0x000000001DC90000-0x000000001DD9A000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/3800-145-0x00007FFA85630000-0x00007FFA860F1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3972-141-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

    Download
  • memory/3972-137-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

    Download
  • memory/3972-136-0x0000000000000000-mapping.dmp
    Download