gcleaner | c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae

General

Target
c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe
Size 260KB
Sample240712-pwhacateql
SHA256 c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae
MD5 14a26b95c1f0ab8f5af4dcfa888aef47
SHA1 bf7d5576be4353c7dc7d97a48cb6126a9f445e73
SHA512 108242fc72a1969ddb43132de8e639c209d0b0eda053ddc75c32819688a33a0164ed148ca95bf3cc1ad2f0f2e53f5b90ad6f6e3e2a9dda6ddd8e50b98bd60743
SSDEEP 6144:rW8XLOzD+qiy0wHBb3+nIcL9G/sAulXhT:r7KX+qi0+nBLYUb7
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 11 IoCs

pid	pid_target	Process	procid_target
1040	4488	WerFault.exe	80
72	4488	WerFault.exe	80
2904	4488	WerFault.exe	80
1168	4488	WerFault.exe	80
2908	4488	WerFault.exe	80
3720	4488	WerFault.exe	80
1192	4488	WerFault.exe	80
3988	4488	WerFault.exe	80
2316	4488	WerFault.exe	80
2420	4488	WerFault.exe	80
2852	4488	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
4164	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 3732	4488	c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe	103
PID 4488 wrote to memory of 3732	4488	c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe	103
PID 4488 wrote to memory of 3732	4488	c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe	103
PID 3732 wrote to memory of 4164	3732	cmd.exe	106
PID 3732 wrote to memory of 4164	3732	cmd.exe	106
PID 3732 wrote to memory of 4164	3732	cmd.exe	106

C:\Users\Admin\AppData\Local\Temp\c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe
"C:\Users\Admin\AppData\Local\Temp\c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 480
  2⤵
  - Program crash
  PID:1040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 484
  2⤵
  - Program crash
  PID:72
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 780
  2⤵
  - Program crash
  PID:2904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 820
  2⤵
  - Program crash
  PID:1168
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 860
  2⤵
  - Program crash
  PID:2908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 868
  2⤵
  - Program crash
  PID:3720
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 960
  2⤵
  - Program crash
  PID:1192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 1072
  2⤵
  - Program crash
  PID:3988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 1088
  2⤵
  - Program crash
  PID:2316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 1440
  2⤵
  - Program crash
  PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "c64aa7972c218a9055c01e6716f2927a936dfebc8668cc9be04f43831e2dc4ae.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 1528
  2⤵
  - Program crash
  PID:2852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4488 -ip 4488
1⤵
PID:1900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4488 -ip 4488
1⤵
PID:4384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4488 -ip 4488
1⤵
PID:584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4488 -ip 4488
1⤵
PID:2456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4488 -ip 4488
1⤵
PID:2028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4488 -ip 4488
1⤵
PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4488 -ip 4488
1⤵
PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4488 -ip 4488
1⤵
PID:104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4488 -ip 4488
1⤵
PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4488 -ip 4488
1⤵
PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 4488 -ip 4488
1⤵
PID:2412

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/4488-1-0x0000000002220000-0x0000000002320000-memory.dmp

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memory/4488-2-0x0000000003ED0000-0x0000000003F0C000-memory.dmp

Download

memory/4488-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/4488-7-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4488-6-0x0000000003ED0000-0x0000000003F0C000-memory.dmp

Download

memory/4488-5-0x0000000000400000-0x0000000002086000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads