Overview

overview

10

Static

static

6e13805b2d...ef.exe

windows7-x64

10

6e13805b2d...ef.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    79s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2022 07:11

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General

  • Target

    6e13805b2d48183881001fb404a52afa668dbb1a88cef.exe

  • Size

    726KB

  • MD5

    77094fdf5ddaa0b50dab615eddb267fa

  • SHA1

    3840de5e390d216614e1af34dd5402bafc739a9b

  • SHA256

    6e13805b2d48183881001fb404a52afa668dbb1a88cef942a44d3870b0e325b0

  • SHA512

    b24a6f39ef67852c1ccfcf252744bff0e9fa83831a59331e44ccde2f703a603247d34b48a9719563b91d88c68ade719de53bf8b395324af71098bf5a68dc3620

  • SSDEEP

    12288:jJmY1wzd5JOYjWyjhI7JQksX1MatKhsBkutBa:vah5JpjWz7JQHX1MatKhSkMB

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 62 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e13805b2d48183881001fb404a52afa668dbb1a88cef.exe
    "C:\Users\Admin\AppData\Local\Temp\6e13805b2d48183881001fb404a52afa668dbb1a88cef.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\tmpC8B4.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpC8B4.tmp.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Users\Admin\AppData\Local\Temp\tmpC8B4.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpC8B4.tmp.exe"
        3⤵
        • Executes dropped EXE
        PID:368

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\tmpC8B4.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpC8B4.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpC8B4.tmp.exe
    Filesize

    74KB

    MD5

    cdd3d44d9e64a113618961f0a4e691b9

    SHA1

    a762037bc50ddb7507d5ef1a20ce813ad990bb54

    SHA256

    dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

    SHA512

    55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

    Download Submit
  • memory/368-144-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

    Download
  • memory/368-142-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

    Download
  • memory/368-141-0x0000000000000000-mapping.dmp
    Download
  • memory/3068-136-0x00007FFE321C0000-0x00007FFE32C81000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3068-132-0x0000000000C80000-0x0000000000D3A000-memory.dmp
    Filesize

    744KB

    Download
  • memory/3068-135-0x0000000002E30000-0x0000000002E6C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/3068-134-0x0000000001610000-0x0000000001622000-memory.dmp
    Filesize

    72KB

    Download
  • memory/3068-133-0x000000001E010000-0x000000001E11A000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/3068-145-0x000000001F050000-0x000000001F212000-memory.dmp
    Filesize

    1.8MB

    Download
  • memory/3068-146-0x000000001F750000-0x000000001FC78000-memory.dmp
    Filesize

    5.2MB

    Download
  • memory/3068-147-0x000000001F2A0000-0x000000001F316000-memory.dmp
    Filesize

    472KB

    Download
  • memory/3068-148-0x000000001F000000-0x000000001F01E000-memory.dmp
    Filesize

    120KB

    Download
  • memory/3068-149-0x00007FFE321C0000-0x00007FFE32C81000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4928-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4928-140-0x0000000000830000-0x0000000000833000-memory.dmp
    Filesize

    12KB

    Download