gcleaner | d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c

General

Target
d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe
Size 375KB
Sample240714-lt5fbavhql
SHA256 d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c
MD5 18b21253d5e239d4802f59916e58d6b3
SHA1 3c0159cb08be53119bb73d65b618d2e4b7de62ec
SHA512 4c319fa5f1ccac8543adec0f0b7e1bd59e932bfdc5a1cf2a26ce68412797aab4f314fcef363ccbc2ebcdebec0fc270597f34684e979fc0b2a602e5b3dd15ae9b
SSDEEP 3072:bPObyQNLZMQCebWdLpSoBZUPrkXHQQcW2/3JdZ8nUy26uUKUl+z1w7rnCCA/BM2c:b0NLZMQCRLcYgqurPF6xKw/CK
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 9 IoCs

pid	pid_target	Process	procid_target
3716	2244	WerFault.exe	77
1152	2244	WerFault.exe	77
4444	2244	WerFault.exe	77
3744	2244	WerFault.exe	77
2700	2244	WerFault.exe	77
2576	2244	WerFault.exe	77
3540	2244	WerFault.exe	77
4336	2244	WerFault.exe	77
2624	2244	WerFault.exe	77

Kills process with taskkill 1 IoCs

evasion

pid	Process
2492	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2580	2244	d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe	95
PID 2244 wrote to memory of 2580	2244	d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe	95
PID 2244 wrote to memory of 2580	2244	d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe	95
PID 2580 wrote to memory of 2492	2580	cmd.exe	99
PID 2580 wrote to memory of 2492	2580	cmd.exe	99
PID 2580 wrote to memory of 2492	2580	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe
"C:\Users\Admin\AppData\Local\Temp\d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 476
  2⤵
  - Program crash
  PID:3716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 796
  2⤵
  - Program crash
  PID:1152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 816
  2⤵
  - Program crash
  PID:4444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 796
  2⤵
  - Program crash
  PID:3744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 888
  2⤵
  - Program crash
  PID:2700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 976
  2⤵
  - Program crash
  PID:2576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 1084
  2⤵
  - Program crash
  PID:3540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 1452
  2⤵
  - Program crash
  PID:4336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d1ab3b0c3289166ca292ae99acfb84f3c8bf814ac89954388a763293f88dee7c.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 552
  2⤵
  - Program crash
  PID:2624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2244 -ip 2244
1⤵
PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2244 -ip 2244
1⤵
PID:700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2244 -ip 2244
1⤵
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2244 -ip 2244
1⤵
PID:3144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2244 -ip 2244
1⤵
PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2244 -ip 2244
1⤵
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2244 -ip 2244
1⤵
PID:1412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2244 -ip 2244
1⤵
PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2244 -ip 2244
1⤵
PID:5076

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/2244-1-0x00000000022C0000-0x00000000023C0000-memory.dmp

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memory/2244-2-0x0000000003DE0000-0x0000000003E1C000-memory.dmp

Download

memory/2244-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2244-7-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2244-6-0x0000000003DE0000-0x0000000003E1C000-memory.dmp

Download

memory/2244-5-0x0000000000400000-0x00000000020A6000-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