gcleaner | 506fb8885b421c43d5e6886e689284d4a23e6cc5c4a42caea269b1259027354f

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 02:50

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General

Target
7eaf66915da13fe8bc67ba6b10935b25.exe
Size 277KB
Sample240129-db2mpsgcf9
SHA256 506fb8885b421c43d5e6886e689284d4a23e6cc5c4a42caea269b1259027354f
MD5 7eaf66915da13fe8bc67ba6b10935b25
SHA1 883490031a2c5cf4f65c54d7abcfe898c7b1e3df
SHA512 3f010e9abb6f8463c3bb6edd250951c4a3b3a79fd00958a3536bc1272729bc891d09ca7da1f30a0650f91372342d15836892b2a0ada2d2fca67f61f45710ca2c
SSDEEP 3072:2+wF1L6e7R3FrIBvslFjhCp6Gk3VfvozlOaXo6pEA8uD91HG048JQRzNnLBzgFnc:2XrR1kNMcyVfUYQrBRHBoNdgFnL
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger vidar loader stealer

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
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/4336-2-0x0000000002F80000-0x0000000002FC9000-memory.dmp	family_onlylogger
behavioral2/memory/4336-3-0x0000000000400000-0x0000000002CD4000-memory.dmp	family_onlylogger
behavioral2/memory/4336-5-0x0000000000400000-0x0000000002CD4000-memory.dmp	family_onlylogger
behavioral2/memory/4336-6-0x0000000002F80000-0x0000000002FC9000-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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	7eaf66915da13fe8bc67ba6b10935b25.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
4696	4336	WerFault.exe	44
2292	4336	WerFault.exe	44
4744	4336	WerFault.exe	44
2268	4336	WerFault.exe	44
2068	4336	WerFault.exe	44
4620	4336	WerFault.exe	44
4912	4336	WerFault.exe	44

Kills process with taskkill 1 IoCs

evasion

pid	Process
4488	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4488	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 3380	4336	7eaf66915da13fe8bc67ba6b10935b25.exe	102
PID 4336 wrote to memory of 3380	4336	7eaf66915da13fe8bc67ba6b10935b25.exe	102
PID 4336 wrote to memory of 3380	4336	7eaf66915da13fe8bc67ba6b10935b25.exe	102
PID 3380 wrote to memory of 4488	3380	cmd.exe	105
PID 3380 wrote to memory of 4488	3380	cmd.exe	105
PID 3380 wrote to memory of 4488	3380	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\7eaf66915da13fe8bc67ba6b10935b25.exe
"C:\Users\Admin\AppData\Local\Temp\7eaf66915da13fe8bc67ba6b10935b25.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 780
  2⤵
  - Program crash
  PID:4696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 788
  2⤵
  - Program crash
  PID:2292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 788
  2⤵
  - Program crash
  PID:4744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 960
  2⤵
  - Program crash
  PID:2268
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 984
  2⤵
  - Program crash
  PID:2068
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 948
  2⤵
  - Program crash
  PID:4620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "7eaf66915da13fe8bc67ba6b10935b25.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7eaf66915da13fe8bc67ba6b10935b25.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3380
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "7eaf66915da13fe8bc67ba6b10935b25.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 712
  2⤵
  - Program crash
  PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 4336 -ip 4336
1⤵
PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4336 -ip 4336
1⤵
PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4336 -ip 4336
1⤵
PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4336 -ip 4336
1⤵
PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4336 -ip 4336
1⤵
PID:1796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4336 -ip 4336
1⤵
PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4336 -ip 4336
1⤵
PID:1464

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/4336-1-0x0000000002FD0000-0x00000000030D0000-memory.dmp

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memory/4336-2-0x0000000002F80000-0x0000000002FC9000-memory.dmp

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memory/4336-3-0x0000000000400000-0x0000000002CD4000-memory.dmp

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memory/4336-5-0x0000000000400000-0x0000000002CD4000-memory.dmp

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memory/4336-6-0x0000000002F80000-0x0000000002FC9000-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