gcleaner | f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d

General

Target
f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
Size 290KB
Sample240525-v4vtascd78
SHA256 f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d
MD5 127b9dedf0a978839deff3307314c996
SHA1 68ea574617a497c1a13145c05db055be694a915b
SHA512 7c3a83708309bcde01e53a5faeed39e310854a6ddaa5859a5e531b5c6baed801f37b34a960ec73906d3c619c3e46f2b1ef6664092b263f02add30430868dd5e4
SSDEEP 6144:RpgLdxBq9JnFp41VH3Lmb2ixf3UFSfBBUy6JFvT:yroJF21N3qb2il3UFa6yK
MD5 SHA1 SHA512 SSDEEP

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
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
4080	1884	WerFault.exe	78
412	1884	WerFault.exe	78
3040	1884	WerFault.exe	78
912	1884	WerFault.exe	78
4948	1884	WerFault.exe	78
4844	1884	WerFault.exe	78
1544	1884	WerFault.exe	78
2064	1884	WerFault.exe	78
576	1884	WerFault.exe	78
2012	1884	WerFault.exe	78

Kills process with taskkill 1 IoCs

evasion

pid	Process
4264	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4264	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 1980	1884	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	100
PID 1884 wrote to memory of 1980	1884	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	100
PID 1884 wrote to memory of 1980	1884	f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe	100
PID 1980 wrote to memory of 4264	1980	cmd.exe	104
PID 1980 wrote to memory of 4264	1980	cmd.exe	104
PID 1980 wrote to memory of 4264	1980	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe
"C:\Users\Admin\AppData\Local\Temp\f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 480
  2⤵
  - Program crash
  PID:4080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 500
  2⤵
  - Program crash
  PID:412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 780
  2⤵
  - Program crash
  PID:3040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 780
  2⤵
  - Program crash
  PID:912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 812
  2⤵
  - Program crash
  PID:4948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 876
  2⤵
  - Program crash
  PID:4844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 984
  2⤵
  - Program crash
  PID:1544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1076
  2⤵
  - Program crash
  PID:2064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1408
  2⤵
  - Program crash
  PID:576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "f061dce9b1a5f681bad8220c9e4e67d068193f19929cab86d7925c2d9d06110d.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4264
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1544
  2⤵
  - Program crash
  PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1884 -ip 1884
1⤵
PID:4392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1884 -ip 1884
1⤵
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1884 -ip 1884
1⤵
PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1884 -ip 1884
1⤵
PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1884 -ip 1884
1⤵
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1884 -ip 1884
1⤵
PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1884 -ip 1884
1⤵
PID:4744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1884 -ip 1884
1⤵
PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1884 -ip 1884
1⤵
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1884 -ip 1884
1⤵
PID:2768

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/1884-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

Download

memory/1884-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/1884-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Download

memory/1884-8-0x00000000049B0000-0x00000000049EC000-memory.dmp

Download

memory/1884-7-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/1884-6-0x0000000000400000-0x0000000002CA7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads