colibri | 8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285

General

Target

8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe
Size

488KB
MD5

697c01dc85e4648b055562ab63a79da3
SHA1

dcb28b96b182ccdc09008cfb930a2100a7eeca60
SHA256

8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285
SHA512

70de2b1c8e6b7a2b201d02b90719477d0d555d103d6fb7079819c428db522649a8cc2d9a8f8ab7131648acebed1a833287128fe97ab767f948e3ec9d1d7a7baa
SSDEEP

12288:Nd1lPhRRJ0HpYxSmTz+mQWJ365QC7r2N7E6s:jjRJ18mntrJ097r2N7E6s

Score

10^/10

colibri build1 discovery loader spyware stealer

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.
loader colibri
Executes dropped EXE 2 IoCs

Processes:

tmpADAA.tmp.exetmpADAA.tmp.exe

pid process

4972 tmpADAA.tmp.exe
4656 tmpADAA.tmp.exe

pid	process
4972	tmpADAA.tmp.exe
4656	tmpADAA.tmp.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmpADAA.tmp.exe

description pid process target process

PID 4972 set thread context of 4656 4972 tmpADAA.tmp.exe tmpADAA.tmp.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 4972 set thread context of 4656	4972	tmpADAA.tmp.exe	tmpADAA.tmp.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe

pid	process
4024	8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe
4024	8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe

description pid process

Token: SeDebugPrivilege 4024 8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe

description	pid	process
Token: SeDebugPrivilege	4024	8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exetmpADAA.tmp.exe

description	pid	process	target process
PID 4024 wrote to memory of 4972	4024	8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe	tmpADAA.tmp.exe
PID 4024 wrote to memory of 4972	4024	8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe	tmpADAA.tmp.exe
PID 4024 wrote to memory of 4972	4024	8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe	tmpADAA.tmp.exe
PID 4972 wrote to memory of 4656	4972	tmpADAA.tmp.exe	tmpADAA.tmp.exe
PID 4972 wrote to memory of 4656	4972	tmpADAA.tmp.exe	tmpADAA.tmp.exe
PID 4972 wrote to memory of 4656	4972	tmpADAA.tmp.exe	tmpADAA.tmp.exe
PID 4972 wrote to memory of 4656	4972	tmpADAA.tmp.exe	tmpADAA.tmp.exe
PID 4972 wrote to memory of 4656	4972	tmpADAA.tmp.exe	tmpADAA.tmp.exe
PID 4972 wrote to memory of 4656	4972	tmpADAA.tmp.exe	tmpADAA.tmp.exe
PID 4972 wrote to memory of 4656	4972	tmpADAA.tmp.exe	tmpADAA.tmp.exe

C:\Users\Admin\AppData\Local\Temp\8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe
"C:\Users\Admin\AppData\Local\Temp\8a5cd9512305bb139a15cf0a2405a870cf028026279f17adcf6c6bda89a1b285.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024

C:\Users\Admin\AppData\Local\Temp\tmpADAA.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpADAA.tmp.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4972

C:\Users\Admin\AppData\Local\Temp\tmpADAA.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpADAA.tmp.exe"
3⤵
- Executes dropped EXE
PID:4656

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpADAA.tmp.exe
Filesize
75KB

MD5
e0a68b98992c1699876f818a22b5b907

SHA1
d41e8ad8ba51217eb0340f8f69629ccb474484d0

SHA256
2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

SHA512
856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpADAA.tmp.exe
Filesize
75KB

MD5
e0a68b98992c1699876f818a22b5b907

SHA1
d41e8ad8ba51217eb0340f8f69629ccb474484d0

SHA256
2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

SHA512
856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpADAA.tmp.exe
Filesize
75KB

MD5
e0a68b98992c1699876f818a22b5b907

SHA1
d41e8ad8ba51217eb0340f8f69629ccb474484d0

SHA256
2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

SHA512
856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

Download Submit
memory/4024-147-0x000000001E1F0000-0x000000001E240000-memory.dmp

Filesize
320KB

Download
memory/4024-148-0x000000001E240000-0x000000001E2B6000-memory.dmp

Filesize
472KB

Download
memory/4024-153-0x00007FFCEED30000-0x00007FFCEF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/4024-138-0x0000000001500000-0x0000000001512000-memory.dmp

Filesize
72KB

Download
memory/4024-137-0x000000001D5E0000-0x000000001D6EA000-memory.dmp

Filesize
1.0MB

Download
memory/4024-152-0x000000001E410000-0x000000001E42E000-memory.dmp

Filesize
120KB

Download
memory/4024-151-0x000000001EB90000-0x000000001F0B8000-memory.dmp

Filesize
5.2MB

Download
memory/4024-150-0x000000001E490000-0x000000001E652000-memory.dmp

Filesize
1.8MB

Download
memory/4024-136-0x00007FFCEED30000-0x00007FFCEF7F1000-memory.dmp

Filesize
10.8MB

Download
memory/4024-135-0x0000000000BD0000-0x0000000000C4E000-memory.dmp

Filesize
504KB

Download
memory/4024-139-0x0000000002D00000-0x0000000002D3C000-memory.dmp

Filesize
240KB

Download
memory/4656-149-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4656-145-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4656-144-0x0000000000000000-mapping.dmp

Download
memory/4972-143-0x0000000001160000-0x0000000001163000-memory.dmp

Filesize
12KB

Download
memory/4972-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads