gcleaner | 97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347

General

Target

97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe
Size

383KB
MD5

6464b510554ea72632d2b746b91d8744
SHA1

b50afb7dc6fd024514d5416bb82b8bce5ee6c3fa
SHA256

97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347
SHA512

e2461beed333a1c586847fac6c147faa831712eddb45dc1cf515a9e2314c84e23b377fafbf9024c0cb13ca50d1fccc5051ccb4e4ef917ab80a053ed1dda26e82
SSDEEP

6144:LFbun5sFf+48TQHOMTGXHWsegZ3pIIl9mFIOujTh:L8nSFf+NUuMTGfZ3mIl9E/s

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
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
4528	1896	WerFault.exe	77
3048	1896	WerFault.exe	77
3780	1896	WerFault.exe	77
4740	1896	WerFault.exe	77
1008	1896	WerFault.exe	77
4884	1896	WerFault.exe	77
4544	1896	WerFault.exe	77
3716	1896	WerFault.exe	77
1336	1896	WerFault.exe	77
4968	1896	WerFault.exe	77

Kills process with taskkill 1 IoCs

evasion

pid	Process
4504	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4504	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 4152	1896	97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe	99
PID 1896 wrote to memory of 4152	1896	97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe	99
PID 1896 wrote to memory of 4152	1896	97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe	99
PID 4152 wrote to memory of 4504	4152	cmd.exe	103
PID 4152 wrote to memory of 4504	4152	cmd.exe	103
PID 4152 wrote to memory of 4504	4152	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe
"C:\Users\Admin\AppData\Local\Temp\97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 476
  2⤵
  - Program crash
  PID:4528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 500
  2⤵
  - Program crash
  PID:3048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 780
  2⤵
  - Program crash
  PID:3780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 800
  2⤵
  - Program crash
  PID:4740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 780
  2⤵
  - Program crash
  PID:1008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 852
  2⤵
  - Program crash
  PID:4884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 984
  2⤵
  - Program crash
  PID:4544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 992
  2⤵
  - Program crash
  PID:3716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 1692
  2⤵
  - Program crash
  PID:1336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 1372
  2⤵
  - Program crash
  PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1896 -ip 1896
1⤵
PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1896 -ip 1896
1⤵
PID:1444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1896 -ip 1896
1⤵
PID:852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1896 -ip 1896
1⤵
PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1896 -ip 1896
1⤵
PID:1328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1896 -ip 1896
1⤵
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1896 -ip 1896
1⤵
PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1896 -ip 1896
1⤵
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1896 -ip 1896
1⤵
PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1896 -ip 1896
1⤵
PID:2888

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8S54EFAG\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1896-1-0x0000000000830000-0x0000000000930000-memory.dmp

Filesize
1024KB

Download
memory/1896-2-0x00000000007E0000-0x000000000081C000-memory.dmp

Filesize
240KB

Download
memory/1896-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1896-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1896-14-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1896-21-0x0000000000830000-0x0000000000930000-memory.dmp

Filesize
1024KB

Download
memory/1896-22-0x00000000007E0000-0x000000000081C000-memory.dmp

Filesize
240KB

Download
memory/1896-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1896-35-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1896-36-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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