gcleaner | d1a299c8b89530ee091ceeb89c172bdd9317816825b68926b0e368714e74d27f

Resubmissions

07-01-2024 18:07

240107-wqg6qabfcl 10

16-01-2022 12:55

220116-p5sgnsfdf9 10

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 18:07

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General

Target

57620fe23fe46b9b50f5ec40bdc6b8fa.exe
Size

419KB
MD5

57620fe23fe46b9b50f5ec40bdc6b8fa
SHA1

fe38a4e6d66ad1cc621ea39e3d344d1fcd6227d2
SHA256

d1a299c8b89530ee091ceeb89c172bdd9317816825b68926b0e368714e74d27f
SHA512

671cd11456cc62533acfd62693db39488aa8964db4f4b4729ec1305b8b5550798bd1eae4107957eb5bc1b29d6023c8f28b0f33ccaf21a2b7169e5bf49125f1a3
SSDEEP

6144:1qH4z36C4T4+vJSMo6NH3IuMcWml++Em3aH5WO7qxCico7BEn8Zr1:1q5C64eGuMcWO+o3GzexCoyn85

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

web-stat.biz

privatevolume.bi

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

Processes:

resource	yara_rule
behavioral3/memory/2264-2-0x00000000022F0000-0x000000000233C000-memory.dmp	family_onlylogger
behavioral3/memory/2264-3-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger
behavioral3/memory/2264-4-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger
behavioral3/memory/2264-5-0x00000000022F0000-0x000000000233C000-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

Processes:

57620fe23fe46b9b50f5ec40bdc6b8fa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	57620fe23fe46b9b50f5ec40bdc6b8fa.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
488	2264	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
4912	2264	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
528	2264	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
2224	2264	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
1388	2264	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
2284	2264	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
1140	2264	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1392 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1392 taskkill.exe

pid	process
1392	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1392	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

57620fe23fe46b9b50f5ec40bdc6b8fa.execmd.exe

description	pid	process	target process
PID 2264 wrote to memory of 1304	2264	57620fe23fe46b9b50f5ec40bdc6b8fa.exe	cmd.exe
PID 2264 wrote to memory of 1304	2264	57620fe23fe46b9b50f5ec40bdc6b8fa.exe	cmd.exe
PID 2264 wrote to memory of 1304	2264	57620fe23fe46b9b50f5ec40bdc6b8fa.exe	cmd.exe
PID 1304 wrote to memory of 1392	1304	cmd.exe	taskkill.exe
PID 1304 wrote to memory of 1392	1304	cmd.exe	taskkill.exe
PID 1304 wrote to memory of 1392	1304	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\57620fe23fe46b9b50f5ec40bdc6b8fa.exe
"C:\Users\Admin\AppData\Local\Temp\57620fe23fe46b9b50f5ec40bdc6b8fa.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 700
2⤵
- Program crash
PID:488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 784
2⤵
- Program crash
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 792
2⤵
- Program crash
PID:528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 724
2⤵
- Program crash
PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 936
2⤵
- Program crash
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 784
2⤵
- Program crash
PID:2284

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "57620fe23fe46b9b50f5ec40bdc6b8fa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\57620fe23fe46b9b50f5ec40bdc6b8fa.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "57620fe23fe46b9b50f5ec40bdc6b8fa.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 748
2⤵
- Program crash
PID:1140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2264 -ip 2264
1⤵
PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2264 -ip 2264
1⤵
PID:2336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2264 -ip 2264
1⤵
PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2264 -ip 2264
1⤵
PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2264 -ip 2264
1⤵
PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2264 -ip 2264
1⤵
PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2264 -ip 2264
1⤵
PID:4104

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2264-1-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/2264-2-0x00000000022F0000-0x000000000233C000-memory.dmp

Filesize
304KB

Download
memory/2264-3-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2264-4-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2264-5-0x00000000022F0000-0x000000000233C000-memory.dmp

Filesize
304KB

Download