gcleaner | fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5

General

Target

fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe
Size

398KB
MD5

1ffc6e6d79fc16c389cb23c217bb3fad
SHA1

dfa799918f9aec45d0fdb5bfb3e03a89a77378ae
SHA256

fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5
SHA512

d8dc035b7cd545287e0ea6f4ca7ce6eb1ed80ff00e10a4f1759f905fdb9be399565b65c0cf61dae3f746d979b36d4780b845115ef5b8c7167e14fdca77467fe9
SSDEEP

3072:vTS4zuqL65IW38lLOOqsPNRHPrvxAn99kNLYYb989AI50vSaK95qRJ9rfwzQT5bL:vWFqLfW3wv3HHrxA9ub9CIRLrf0w

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Downloads MZ/PE file

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-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe

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

System Information Discovery
T1082

Program crash 10 IoCs

pid	pid_target	Process	procid_target
4996	1464	WerFault.exe	82
3148	1464	WerFault.exe	82
3632	1464	WerFault.exe	82
3044	1464	WerFault.exe	82
788	1464	WerFault.exe	82
1752	1464	WerFault.exe	82
1144	1464	WerFault.exe	82
2812	1464	WerFault.exe	82
912	1464	WerFault.exe	82
4308	1464	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
3096	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 4600	1464	fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe	113
PID 1464 wrote to memory of 4600	1464	fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe	113
PID 1464 wrote to memory of 4600	1464	fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe	113
PID 4600 wrote to memory of 3096	4600	cmd.exe	117
PID 4600 wrote to memory of 3096	4600	cmd.exe	117
PID 4600 wrote to memory of 3096	4600	cmd.exe	117

C:\Users\Admin\AppData\Local\Temp\fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe
"C:\Users\Admin\AppData\Local\Temp\fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 468
  2⤵
  - Program crash
  PID:4996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 764
  2⤵
  - Program crash
  PID:3148
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 764
  2⤵
  - Program crash
  PID:3632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 796
  2⤵
  - Program crash
  PID:3044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 836
  2⤵
  - Program crash
  PID:788
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 844
  2⤵
  - Program crash
  PID:1752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 848
  2⤵
  - Program crash
  PID:1144
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 1140
  2⤵
  - Program crash
  PID:2812
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 1600
  2⤵
  - Program crash
  PID:912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4600
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "fee89deac4162c2e3516a5c72225f57f81662cabefefb8de06c8a7a77b9d10b5.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 524
  2⤵
  - Program crash
  PID:4308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1464 -ip 1464
1⤵
PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1464 -ip 1464
1⤵
PID:3348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1464 -ip 1464
1⤵
PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1464 -ip 1464
1⤵
PID:1948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1464 -ip 1464
1⤵
PID:1992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1464 -ip 1464
1⤵
PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1464 -ip 1464
1⤵
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1464 -ip 1464
1⤵
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1464 -ip 1464
1⤵
PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1464 -ip 1464
1⤵
PID:2496

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NNUT9QBP\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1464-1-0x0000000002970000-0x0000000002A70000-memory.dmp

Filesize
1024KB

Download
memory/1464-2-0x00000000043C0000-0x00000000043FC000-memory.dmp

Filesize
240KB

Download
memory/1464-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1464-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1464-13-0x0000000000400000-0x0000000002751000-memory.dmp

Filesize
35.3MB

Download
memory/1464-22-0x0000000002970000-0x0000000002A70000-memory.dmp

Filesize
1024KB

Download
memory/1464-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1464-33-0x0000000000400000-0x0000000002751000-memory.dmp

Filesize
35.3MB

Download
memory/1464-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1464-34-0x0000000000400000-0x0000000002751000-memory.dmp

Filesize
35.3MB

Download

Analysis

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