colibri | 9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc

General

Target

9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
Size

602KB
MD5

913240d24664aeeee23dcf389d6f2ce9
SHA1

730b13fb29347ee478d79195e49977de41ed740f
SHA256

9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc
SHA512

8a7e73fc3214dccdbea8a5f6a70b40f233719b2a7ce8bd205d3be2f01c93412d788fea071020dbbd76d79c43352fb71f60dab0e8eec18b159d5d0f970ad7bde7
SSDEEP

6144:up/J6DzcxdUf4/p6gj59aG5Ye5fYNYPk30QRyzpGa+IZ:up/J6DzudUw/t9Ge5fYlEQRyzwrG

Score

10^/10

colibri build1 loader persistence

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:

conhost.execonhost.exe

pid process

4796 conhost.exe
4708 conhost.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:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation cmd.exe

pid	process
4796	conhost.exe
4708	conhost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSEdge = "C:\\Users\\Admin\\AppData\\Roaming\\MSEdge\\msedge.exe"	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.execonhost.exe9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe

description	pid	process	target process
PID 3580 set thread context of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4796 set thread context of 4708	4796	conhost.exe	conhost.exe
PID 4732 set thread context of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cmd.exe

pid process

3716 cmd.exe

pid	process
3716	cmd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.execonhost.exe9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe

description	pid	process	target process
PID 3580 wrote to memory of 4796	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	conhost.exe
PID 3580 wrote to memory of 4796	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	conhost.exe
PID 3580 wrote to memory of 4796	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	conhost.exe
PID 4796 wrote to memory of 4708	4796	conhost.exe	conhost.exe
PID 4796 wrote to memory of 4708	4796	conhost.exe	conhost.exe
PID 4796 wrote to memory of 4708	4796	conhost.exe	conhost.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 3580 wrote to memory of 4732	3580	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4796 wrote to memory of 4708	4796	conhost.exe	conhost.exe
PID 4796 wrote to memory of 4708	4796	conhost.exe	conhost.exe
PID 4796 wrote to memory of 4708	4796	conhost.exe	conhost.exe
PID 4796 wrote to memory of 4708	4796	conhost.exe	conhost.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4732 wrote to memory of 4440	4732	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
PID 4440 wrote to memory of 3716	4440	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	cmd.exe
PID 4440 wrote to memory of 3716	4440	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	cmd.exe
PID 4440 wrote to memory of 3716	4440	9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
"C:\Users\Admin\AppData\Local\Temp\9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3580

C:\ProgramData\conhost.exe
"C:\ProgramData\conhost.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4796

C:\ProgramData\conhost.exe
"C:\ProgramData\conhost.exe"
3⤵
- Executes dropped EXE
PID:4708

C:\Users\Admin\AppData\Local\Temp\9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
"C:\Users\Admin\AppData\Local\Temp\9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4732

C:\Users\Admin\AppData\Local\Temp\9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe
"C:\Users\Admin\AppData\Local\Temp\9e5ee80ee0e72b51abc4491e80fb8cf07a9d9c22b083d08f1db24ffae89517dc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4440

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Roaming\MSEdge\msedge.exe
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:3716

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\conhost.exe
Filesize
75KB

MD5
e0a68b98992c1699876f818a22b5b907

SHA1
d41e8ad8ba51217eb0340f8f69629ccb474484d0

SHA256
2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

SHA512
856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

Download Submit
C:\ProgramData\conhost.exe
Filesize
75KB

MD5
e0a68b98992c1699876f818a22b5b907

SHA1
d41e8ad8ba51217eb0340f8f69629ccb474484d0

SHA256
2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

SHA512
856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

Download Submit
C:\ProgramData\conhost.exe
Filesize
75KB

MD5
e0a68b98992c1699876f818a22b5b907

SHA1
d41e8ad8ba51217eb0340f8f69629ccb474484d0

SHA256
2b00d8c2bcc6b48e90524cdd41a07735dc94548ed41925baff86e43a61a4c37f

SHA512
856854f5fd89ae1669e4b2db10b73b4a78496bf80117003244c83e781f75e533e2e2bea9aa6c1b3aba3db1ed92ea0ed9755fbfd78cd6c86ba95867d07fc0ece2

Download Submit
memory/3580-134-0x0000000001015000-0x0000000001028000-memory.dmp

Filesize
76KB

Download
memory/3716-157-0x0000000000000000-mapping.dmp

Download
memory/4440-147-0x0000000000180000-0x00000000001B6000-memory.dmp

Filesize
216KB

Download
memory/4440-146-0x0000000000000000-mapping.dmp

Download
memory/4440-155-0x0000000000180000-0x00000000001B6000-memory.dmp

Filesize
216KB

Download
memory/4440-152-0x0000000000180000-0x00000000001B6000-memory.dmp

Filesize
216KB

Download
memory/4708-139-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4708-136-0x0000000000000000-mapping.dmp

Download
memory/4708-156-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4732-149-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4732-142-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4732-141-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4732-143-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4732-138-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4732-137-0x0000000000000000-mapping.dmp

Download
memory/4796-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads