gcleaner | 589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66

General

Target

589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe
Size

372KB
MD5

2323809446a877e008d07e0e7f1fdf98
SHA1

71eda8be2ea422351b96836aec6e33d6fe9e642d
SHA256

589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66
SHA512

39e780e965e8fd0e0c6a63353a695efb3466dc907dd91e297ac8cc1261a213861348f1490917d85771b656a417d2438818f6ba271040c7ab0e9cec27d0110568
SSDEEP

6144:eoLFx0Orra3PIqTC7JI3kPbuzJr/HrEGHVbJEzzGsXA:eoRiOXMVeJaCbu1rDxVbJqSK

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

pid	pid_target	Process	procid_target
3900	2400	WerFault.exe	77
3764	2400	WerFault.exe	77
1808	2400	WerFault.exe	77
3328	2400	WerFault.exe	77
3952	2400	WerFault.exe	77
1620	2400	WerFault.exe	77
4876	2400	WerFault.exe	77
3920	2400	WerFault.exe	77
1492	2400	WerFault.exe	77

Kills process with taskkill 1 IoCs

evasion

pid	Process
3284	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3284	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 904	2400	589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe	96
PID 2400 wrote to memory of 904	2400	589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe	96
PID 2400 wrote to memory of 904	2400	589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe	96
PID 904 wrote to memory of 3284	904	cmd.exe	100
PID 904 wrote to memory of 3284	904	cmd.exe	100
PID 904 wrote to memory of 3284	904	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe
"C:\Users\Admin\AppData\Local\Temp\589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 476
  2⤵
  - Program crash
  PID:3900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 796
  2⤵
  - Program crash
  PID:3764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 832
  2⤵
  - Program crash
  PID:1808
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 848
  2⤵
  - Program crash
  PID:3328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 868
  2⤵
  - Program crash
  PID:3952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 1000
  2⤵
  - Program crash
  PID:1620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 1108
  2⤵
  - Program crash
  PID:4876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 1656
  2⤵
  - Program crash
  PID:3920
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "589d7e99979e3642c3cc58fd8d80b845c44838bcd7bb2065964b28fa4b268c66.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 488
  2⤵
  - Program crash
  PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2400 -ip 2400
1⤵
PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2400 -ip 2400
1⤵
PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2400 -ip 2400
1⤵
PID:4788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2400 -ip 2400
1⤵
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2400 -ip 2400
1⤵
PID:2356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2400 -ip 2400
1⤵
PID:1796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2400 -ip 2400
1⤵
PID:2644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2400 -ip 2400
1⤵
PID:916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2400 -ip 2400
1⤵
PID:1092

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\C76012RU\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2400-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2400-2-0x0000000003920000-0x000000000395C000-memory.dmp

Filesize
240KB

Download
memory/2400-1-0x0000000001E00000-0x0000000001F00000-memory.dmp

Filesize
1024KB

Download
memory/2400-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2400-15-0x0000000000400000-0x0000000001BD8000-memory.dmp

Filesize
23.8MB

Download
memory/2400-19-0x0000000001E00000-0x0000000001F00000-memory.dmp

Filesize
1024KB

Download
memory/2400-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2400-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2400-33-0x0000000000400000-0x0000000001BD8000-memory.dmp

Filesize
23.8MB

Download

Analysis

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