gcleaner | 0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382

General

Target
0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe
Size 260KB
Sample240712-px3mnswdnc
SHA256 0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382
MD5 4cb46d273ba293d8a62fcb6b751bfee2
SHA1 b7108ceef24f42194f943959dd74431d0e683f61
SHA512 1c1946c6d1406031ee9ba3ec7d4daf4e396eae9c9799a1016558d6c13f8bc2c9e3a2bc0b50b348c896a0115ea04eb6becd54dabc4503e70bdb0cfa1a085b4b21
SSDEEP 6144:L1UK/0000000tZIe613LBNVI64J7e1fy9ulHiT:LudMdVIBcIu0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90
77.105.160.30
185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
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
4560	1272	WerFault.exe	80
4128	1272	WerFault.exe	80
4368	1272	WerFault.exe	80
3560	1272	WerFault.exe	80
3020	1272	WerFault.exe	80
3704	1272	WerFault.exe	80
2880	1272	WerFault.exe	80
2128	1272	WerFault.exe	80
2288	1272	WerFault.exe	80
1112	1272	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
864	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	864	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 4384	1272	0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe	101
PID 1272 wrote to memory of 4384	1272	0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe	101
PID 1272 wrote to memory of 4384	1272	0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe	101
PID 4384 wrote to memory of 864	4384	cmd.exe	104
PID 4384 wrote to memory of 864	4384	cmd.exe	104
PID 4384 wrote to memory of 864	4384	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe
"C:\Users\Admin\AppData\Local\Temp\0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 476
  2⤵
  - Program crash
  PID:4560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 500
  2⤵
  - Program crash
  PID:4128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 780
  2⤵
  - Program crash
  PID:4368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 820
  2⤵
  - Program crash
  PID:3560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 812
  2⤵
  - Program crash
  PID:3020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 872
  2⤵
  - Program crash
  PID:3704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 960
  2⤵
  - Program crash
  PID:2880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 964
  2⤵
  - Program crash
  PID:2128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 1432
  2⤵
  - Program crash
  PID:2288
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4384
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "0979390240b1ef9a605e8c5042d1e4d6d112f371bd8cf0280f162ea599f85382.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:864
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 1456
  2⤵
  - Program crash
  PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1272 -ip 1272
1⤵
PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1272 -ip 1272
1⤵
PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1272 -ip 1272
1⤵
PID:3068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1272 -ip 1272
1⤵
PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1272 -ip 1272
1⤵
PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1272 -ip 1272
1⤵
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1272 -ip 1272
1⤵
PID:568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1272 -ip 1272
1⤵
PID:3368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1272 -ip 1272
1⤵
PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1272 -ip 1272
1⤵
PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1272-1-0x0000000002160000-0x0000000002260000-memory.dmp

Download

memory/1272-2-0x0000000003ED0000-0x0000000003F0C000-memory.dmp

Download

memory/1272-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/1272-7-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/1272-6-0x0000000003ED0000-0x0000000003F0C000-memory.dmp

Download

memory/1272-5-0x0000000000400000-0x0000000002086000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads