colibri | 25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82

General

Target

25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
Size

718KB
MD5

247455c8833c8a11511b4437ba149778
SHA1

6831589bc510408b5d80a775f55fe1c9463f9e8e
SHA256

25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82
SHA512

30e65f8b67a07f1dcc43bee23d8c54bcaccf2398f09949c0f4e97e67028cbacabb77fe6c18bac4ade7f4e61b09ab484bd654cf7dfdfbf3aedc8723fb236ee814

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:

conhost.execonhost.exe

pid process

2400 conhost.exe
3928 conhost.exe

pid	process
2400	conhost.exe
3928	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:

25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe

Loads dropped DLL 2 IoCs

Processes:

25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe

pid	process
2864	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
2864	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.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 2FA software files, possible credential harvesting 2 TTPs
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 2 IoCs

Processes:

25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.execonhost.exe

description	pid	process	target process
PID 2064 set thread context of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2400 set thread context of 3928	2400	conhost.exe	conhost.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1584 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

5108 taskkill.exe

pid	process
1584	timeout.exe

pid	process
5108	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe

pid	process
2864	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
2864	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 5108 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	5108	taskkill.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.execonhost.exe25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.execmd.exe

description	pid	process	target process
PID 2064 wrote to memory of 2400	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	conhost.exe
PID 2064 wrote to memory of 2400	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	conhost.exe
PID 2064 wrote to memory of 2400	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	conhost.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2400 wrote to memory of 3928	2400	conhost.exe	conhost.exe
PID 2400 wrote to memory of 3928	2400	conhost.exe	conhost.exe
PID 2400 wrote to memory of 3928	2400	conhost.exe	conhost.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2064 wrote to memory of 2864	2064	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
PID 2400 wrote to memory of 3928	2400	conhost.exe	conhost.exe
PID 2400 wrote to memory of 3928	2400	conhost.exe	conhost.exe
PID 2400 wrote to memory of 3928	2400	conhost.exe	conhost.exe
PID 2400 wrote to memory of 3928	2400	conhost.exe	conhost.exe
PID 2864 wrote to memory of 3564	2864	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	cmd.exe
PID 2864 wrote to memory of 3564	2864	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	cmd.exe
PID 2864 wrote to memory of 3564	2864	25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe	cmd.exe
PID 3564 wrote to memory of 5108	3564	cmd.exe	taskkill.exe
PID 3564 wrote to memory of 5108	3564	cmd.exe	taskkill.exe
PID 3564 wrote to memory of 5108	3564	cmd.exe	taskkill.exe
PID 3564 wrote to memory of 1584	3564	cmd.exe	timeout.exe
PID 3564 wrote to memory of 1584	3564	cmd.exe	timeout.exe
PID 3564 wrote to memory of 1584	3564	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
"C:\Users\Admin\AppData\Local\Temp\25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2064

C:\ProgramData\conhost.exe
"C:\ProgramData\conhost.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2400

C:\ProgramData\conhost.exe
"C:\ProgramData\conhost.exe"
3⤵
- Executes dropped EXE
PID:3928

C:\Users\Admin\AppData\Local\Temp\25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe
"C:\Users\Admin\AppData\Local\Temp\25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe"
2⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2864

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im 25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe" & del C:\PrograData\*.dll & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:3564

C:\Windows\SysWOW64\taskkill.exe
taskkill /im 25af995a82a695829d5e73eb82d0ab9ccccae43fafd076b45625ab81d3c3bc82.exe /f
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5108

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:1584

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\conhost.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\ProgramData\conhost.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\ProgramData\conhost.exe
Filesize
74KB

MD5
cdd3d44d9e64a113618961f0a4e691b9

SHA1
a762037bc50ddb7507d5ef1a20ce813ad990bb54

SHA256
dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0

SHA512
55146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8

Download Submit
C:\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/1584-170-0x0000000000000000-mapping.dmp

Download
memory/2400-135-0x0000000000990000-0x0000000000993000-memory.dmp

Filesize
12KB

Download
memory/2400-132-0x0000000000000000-mapping.dmp

Download
memory/2864-142-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2864-141-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2864-138-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2864-144-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2864-145-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2864-136-0x0000000000000000-mapping.dmp

Download
memory/2864-166-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2864-168-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3564-167-0x0000000000000000-mapping.dmp

Download
memory/3928-143-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3928-139-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3928-137-0x0000000000000000-mapping.dmp

Download
memory/5108-169-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads