gcleaner | f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d

General

Target

f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe
Size

282KB
MD5

d369af1128722a21e63b54767b27df9b
SHA1

a134ed2b5d493e6c35e275d663b21ab8420e3cab
SHA256

f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d
SHA512

3e9665342b8f0b9817f023fdd0dc63b2ed51b4a3c2b529b8d92afc75426dd3f169b6592ac78899f25346259cd236cbf6626e445547acf431c0da2b940e1be36c
SSDEEP

6144:0tnPIXREcJMcUsuKpoqoLhcIboriKVkk:0lPIXREyFUUp56horvVk

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.115

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe

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

System Information Discovery
T1082

Program crash 8 IoCs

pid	pid_target	Process	procid_target
3708	208	WerFault.exe	96
4472	208	WerFault.exe	96
4080	208	WerFault.exe	96
4380	208	WerFault.exe	96
4484	208	WerFault.exe	96
640	208	WerFault.exe	96
3884	208	WerFault.exe	96
3772	208	WerFault.exe	96

Kills process with taskkill 1 IoCs

evasion

pid	Process
968	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	968	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 1860	208	f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe	116
PID 208 wrote to memory of 1860	208	f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe	116
PID 208 wrote to memory of 1860	208	f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe	116
PID 1860 wrote to memory of 968	1860	cmd.exe	120
PID 1860 wrote to memory of 968	1860	cmd.exe	120
PID 1860 wrote to memory of 968	1860	cmd.exe	120

C:\Users\Admin\AppData\Local\Temp\f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe
"C:\Users\Admin\AppData\Local\Temp\f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:208
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 740
  2⤵
  - Program crash
  PID:3708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 780
  2⤵
  - Program crash
  PID:4472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 772
  2⤵
  - Program crash
  PID:4080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 816
  2⤵
  - Program crash
  PID:4380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 904
  2⤵
  - Program crash
  PID:4484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1000
  2⤵
  - Program crash
  PID:640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1344
  2⤵
  - Program crash
  PID:3884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "f6657feeb739e084356de73ea5076668476bde7a06cdc3f867526ca27c68fb2d.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1300
  2⤵
  - Program crash
  PID:3772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 208 -ip 208
1⤵
PID:3836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 208 -ip 208
1⤵
PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 208 -ip 208
1⤵
PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 208 -ip 208
1⤵
PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 208 -ip 208
1⤵
PID:3768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 208 -ip 208
1⤵
PID:1164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 208 -ip 208
1⤵
PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 208 -ip 208
1⤵
PID:1616

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3492 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/208-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/208-2-0x0000000002290000-0x00000000022BD000-memory.dmp

Filesize
180KB

Download
memory/208-3-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/208-5-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/208-8-0x0000000002290000-0x00000000022BD000-memory.dmp

Filesize
180KB

Download
memory/208-9-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download

Analysis

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