gcleaner | 207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3

General

Target

207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
Size

399KB
MD5

7fabe35d0e6264fa09f66dffc8dcf7ed
SHA1

bf1536ddaa7a5703b31ad26f98b79cb0eba3adc1
SHA256

207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3
SHA512

719fccacf2975ffb8c73cbd96445aaddae1a3432b15857d9bd615e1b7d9ace600757e07ac620199d76b1c6cae2181b91c501cd7780fc435e64c6df3030d582d8
SSDEEP

6144:EK7L1RzFC2BffFXo0j4PrFjKtTGO4aXNQNiNs:375lFC2l9Xo9rFjKNGO4/Y

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 9 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
5052	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
4740	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
3076	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
1632	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
4700	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
1964	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
1936	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
4672	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
3400	2372	WerFault.exe	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

952 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 952 taskkill.exe

pid	process
952	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	952	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.execmd.exe

description	pid	process	target process
PID 2372 wrote to memory of 340	2372	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe	cmd.exe
PID 2372 wrote to memory of 340	2372	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe	cmd.exe
PID 2372 wrote to memory of 340	2372	207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe	cmd.exe
PID 340 wrote to memory of 952	340	cmd.exe	taskkill.exe
PID 340 wrote to memory of 952	340	cmd.exe	taskkill.exe
PID 340 wrote to memory of 952	340	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe
"C:\Users\Admin\AppData\Local\Temp\207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 472
  2⤵
  - Program crash
  PID:5052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 796
  2⤵
  - Program crash
  PID:4740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 796
  2⤵
  - Program crash
  PID:3076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 828
  2⤵
  - Program crash
  PID:1632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 888
  2⤵
  - Program crash
  PID:4700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1000
  2⤵
  - Program crash
  PID:1964
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1004
  2⤵
  - Program crash
  PID:1936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1656
  2⤵
  - Program crash
  PID:4672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:340
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "207b0996ed3527cfd42fcd89859d6cd50945f3f4c60e300b8d4c96ce925a26f3.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1608
  2⤵
  - Program crash
  PID:3400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2372 -ip 2372
1⤵
PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2372 -ip 2372
1⤵
PID:3032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2372 -ip 2372
1⤵
PID:2380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2372 -ip 2372
1⤵
PID:2828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2372 -ip 2372
1⤵
PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2372 -ip 2372
1⤵
PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2372 -ip 2372
1⤵
PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2372 -ip 2372
1⤵
PID:3104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2372 -ip 2372
1⤵
PID:4364

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NDYWT7Z5\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2372-1-0x00000000028A0000-0x00000000029A0000-memory.dmp

Filesize
1024KB

Download
memory/2372-2-0x0000000004460000-0x000000000449C000-memory.dmp

Filesize
240KB

Download
memory/2372-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2372-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2372-15-0x0000000000400000-0x0000000002750000-memory.dmp

Filesize
35.3MB

Download
memory/2372-19-0x00000000028A0000-0x00000000029A0000-memory.dmp

Filesize
1024KB

Download
memory/2372-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2372-28-0x0000000000400000-0x0000000002750000-memory.dmp

Filesize
35.3MB

Download
memory/2372-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2372-34-0x0000000000400000-0x0000000002750000-memory.dmp

Filesize
35.3MB

Download

Analysis

Sharing