gcleaner | 0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af

General

Target

0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe
Size

238KB
MD5

7f3f1badecce49078910e25c377b5097
SHA1

1934c64cc54196f5d9800b9ce868ecba0c430749
SHA256

0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af
SHA512

685ec80ef7b83e661863ab429910353434b32aed53597092072ed74d7147c4ce07157317527a9701fa3c35744c0b7bf56aae465eb5e3e6c4c885616319cf96b3
SSDEEP

3072:XVX2LoN6XejiWQgHvg+yhxN81eUs9vee+dIz7Tyr5BEasld:XbN6Xu7jv4UteIK7TyGl

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.64

Attributes

url_path
/advdlc.php

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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

pid	pid_target	Process	procid_target
3444	4880	WerFault.exe	80
4504	4880	WerFault.exe	80
1940	4880	WerFault.exe	80
2420	4880	WerFault.exe	80
2780	4880	WerFault.exe	80
3712	4880	WerFault.exe	80
3892	4880	WerFault.exe	80
3056	4880	WerFault.exe	80
2776	4880	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
1788	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 3408	4880	0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe	101
PID 4880 wrote to memory of 3408	4880	0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe	101
PID 4880 wrote to memory of 3408	4880	0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe	101
PID 3408 wrote to memory of 1788	3408	cmd.exe	105
PID 3408 wrote to memory of 1788	3408	cmd.exe	105
PID 3408 wrote to memory of 1788	3408	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe
"C:\Users\Admin\AppData\Local\Temp\0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 740
  2⤵
  - Program crash
  PID:3444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 760
  2⤵
  - Program crash
  PID:4504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 740
  2⤵
  - Program crash
  PID:1940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 832
  2⤵
  - Program crash
  PID:2420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 904
  2⤵
  - Program crash
  PID:2780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 936
  2⤵
  - Program crash
  PID:3712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 1116
  2⤵
  - Program crash
  PID:3892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 1332
  2⤵
  - Program crash
  PID:3056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3408
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "0b984b1fcdbf934fdb457d7d64b3828a3017d1ccb18dcf8402c3d82ae6daa4af.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1788
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 1356
  2⤵
  - Program crash
  PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4880 -ip 4880
1⤵
PID:2448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4880 -ip 4880
1⤵
PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4880 -ip 4880
1⤵
PID:688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4880 -ip 4880
1⤵
PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4880 -ip 4880
1⤵
PID:3960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4880 -ip 4880
1⤵
PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4880 -ip 4880
1⤵
PID:2844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4880 -ip 4880
1⤵
PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 4880 -ip 4880
1⤵
PID:3620

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/4880-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

Filesize
1024KB

Download
memory/4880-2-0x0000000002D60000-0x0000000002D8D000-memory.dmp

Filesize
180KB

Download
memory/4880-3-0x0000000000400000-0x0000000002AF9000-memory.dmp

Filesize
39.0MB

Download
memory/4880-6-0x0000000002D60000-0x0000000002D8D000-memory.dmp

Filesize
180KB

Download
memory/4880-5-0x0000000000400000-0x0000000002AF9000-memory.dmp

Filesize
39.0MB

Download

Analysis

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