gcleaner | 22f006a17766e8df0e6a1b3eed5f65aab5dc12d5938e50b4116aef7b00ab183c

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:47

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General

Target
67206564e3dc68c200d24e8535c5ca3a.exe
Size 305KB
Sample231222-felf1agch8
SHA256 22f006a17766e8df0e6a1b3eed5f65aab5dc12d5938e50b4116aef7b00ab183c
MD5 67206564e3dc68c200d24e8535c5ca3a
SHA1 76899dba330c2a60b16f4565622ee4036a7e8060
SHA512 73cfe88ee4734a4c8c76022642c7f1b785eae3aa12187a29e881ae79b0d6385c9be0f48be1ce86f37af680fbed1d1010e39e9cb652a4ac6115cd20298863d41b
SSDEEP 6144:VbxLQrdt3roQGbzsEaejcyQZ7Jv+t8i1kptVvMGGNK:Vbxcxt3laIRkeQRkpt
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/3948-2-0x0000000003EB0000-0x0000000003EF8000-memory.dmp	family_onlylogger
behavioral2/memory/3948-3-0x0000000000400000-0x0000000002169000-memory.dmp	family_onlylogger
behavioral2/memory/3948-5-0x0000000000400000-0x0000000002169000-memory.dmp	family_onlylogger
behavioral2/memory/3948-6-0x0000000003EB0000-0x0000000003EF8000-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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	67206564e3dc68c200d24e8535c5ca3a.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
4908	3948	WerFault.exe	87

Kills process with taskkill 1 IoCs

evasion

pid	Process
1064	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 3780	3948	67206564e3dc68c200d24e8535c5ca3a.exe	96
PID 3948 wrote to memory of 3780	3948	67206564e3dc68c200d24e8535c5ca3a.exe	96
PID 3948 wrote to memory of 3780	3948	67206564e3dc68c200d24e8535c5ca3a.exe	96
PID 3780 wrote to memory of 1064	3780	cmd.exe	100
PID 3780 wrote to memory of 1064	3780	cmd.exe	100
PID 3780 wrote to memory of 1064	3780	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\67206564e3dc68c200d24e8535c5ca3a.exe
"C:\Users\Admin\AppData\Local\Temp\67206564e3dc68c200d24e8535c5ca3a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "67206564e3dc68c200d24e8535c5ca3a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\67206564e3dc68c200d24e8535c5ca3a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3780
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "67206564e3dc68c200d24e8535c5ca3a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 688
  2⤵
  - Program crash
  PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3948 -ip 3948
1⤵
PID:4916

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/3948-1-0x00000000021F0000-0x00000000022F0000-memory.dmp

Download

memory/3948-2-0x0000000003EB0000-0x0000000003EF8000-memory.dmp

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memory/3948-3-0x0000000000400000-0x0000000002169000-memory.dmp

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memory/3948-5-0x0000000000400000-0x0000000002169000-memory.dmp

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memory/3948-6-0x0000000003EB0000-0x0000000003EF8000-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