gcleaner | e01b853f68f0fcc2bd3122a9ee5c4a829a77f38d066ad020a3249c734b5e6d4c

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 16:03

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General

Target
7aacb9cb85a65e07bb11ad96f6a1c76e.exe
Size 361KB
Sample240127-thq3jsfch3
SHA256 e01b853f68f0fcc2bd3122a9ee5c4a829a77f38d066ad020a3249c734b5e6d4c
MD5 7aacb9cb85a65e07bb11ad96f6a1c76e
SHA1 2590e37b59ef6e3ee078696f972bc02eed025bd0
SHA512 99936feb8f9e11c24ec01c3037f8ff66f7ce442c743266ded3a0196c3913cd11d4200c87923d47f469f14c1f43690900d89476fefaa3203f92d0998338522691
SSDEEP 6144:KxLneijV7iy0rH6qDbeo4t0y8ueuo2iLADauBsj9om+WCfO:Kx7ecV7MrRDb5XnkDkjuTnf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

194.145.227.161

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/1884-2-0x0000000002300000-0x0000000002348000-memory.dmp	family_onlylogger
behavioral2/memory/1884-3-0x0000000000400000-0x0000000002178000-memory.dmp	family_onlylogger
behavioral2/memory/1884-4-0x0000000000400000-0x0000000002178000-memory.dmp	family_onlylogger
behavioral2/memory/1884-5-0x0000000002300000-0x0000000002348000-memory.dmp	family_onlylogger

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	7aacb9cb85a65e07bb11ad96f6a1c76e.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1316	1884	WerFault.exe	85

Kills process with taskkill 1 IoCs

evasion

pid	Process
3592	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3592	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 1568	1884	7aacb9cb85a65e07bb11ad96f6a1c76e.exe	93
PID 1884 wrote to memory of 1568	1884	7aacb9cb85a65e07bb11ad96f6a1c76e.exe	93
PID 1884 wrote to memory of 1568	1884	7aacb9cb85a65e07bb11ad96f6a1c76e.exe	93
PID 1568 wrote to memory of 3592	1568	cmd.exe	97
PID 1568 wrote to memory of 3592	1568	cmd.exe	97
PID 1568 wrote to memory of 3592	1568	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\7aacb9cb85a65e07bb11ad96f6a1c76e.exe
"C:\Users\Admin\AppData\Local\Temp\7aacb9cb85a65e07bb11ad96f6a1c76e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "7aacb9cb85a65e07bb11ad96f6a1c76e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7aacb9cb85a65e07bb11ad96f6a1c76e.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "7aacb9cb85a65e07bb11ad96f6a1c76e.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 976
  2⤵
  - Program crash
  PID:1316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1884 -ip 1884
1⤵
PID:712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1884-1-0x0000000002370000-0x0000000002470000-memory.dmp

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memory/1884-2-0x0000000002300000-0x0000000002348000-memory.dmp

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memory/1884-3-0x0000000000400000-0x0000000002178000-memory.dmp

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memory/1884-4-0x0000000000400000-0x0000000002178000-memory.dmp

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memory/1884-5-0x0000000002300000-0x0000000002348000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads