gcleaner | fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92

General

Target

fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe
Size

343KB
MD5

874e3eb9bbfb183e81ef182e532ef956
SHA1

d77dd39b673736ac4561ab6e5aad1ae26f1d0d42
SHA256

fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92
SHA512

cfc631de5ab8ec7c25697ec54e577274b1da13c085450e3c146bfe8dd51af1d1a48e2368cb692496e1dc0bd87ebb4a64522aec1104dc4cc42cb980405b22562a
SSDEEP

6144:8ddd80Vezdn4Qgf0z7hLXC5lCguDKAmA2wv5lFPsXPk22BTFKXndk:8db80YzFRQ0BLy+XPmA2wbFPsXc22Byn

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
3148	2056	WerFault.exe	76
2516	2056	WerFault.exe	76
5088	2056	WerFault.exe	76
2972	2056	WerFault.exe	76
3212	2056	WerFault.exe	76
3876	2056	WerFault.exe	76
4884	2056	WerFault.exe	76
740	2056	WerFault.exe	76
3380	2056	WerFault.exe	76
2816	2056	WerFault.exe	76

Kills process with taskkill 1 IoCs

evasion

pid	Process
1000	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1000	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 1480	2056	fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe	96
PID 2056 wrote to memory of 1480	2056	fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe	96
PID 2056 wrote to memory of 1480	2056	fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe	96
PID 1480 wrote to memory of 1000	1480	cmd.exe	100
PID 1480 wrote to memory of 1000	1480	cmd.exe	100
PID 1480 wrote to memory of 1000	1480	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe
"C:\Users\Admin\AppData\Local\Temp\fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 480
  2⤵
  - Program crash
  PID:3148
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 532
  2⤵
  - Program crash
  PID:2516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 780
  2⤵
  - Program crash
  PID:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 820
  2⤵
  - Program crash
  PID:2972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 808
  2⤵
  - Program crash
  PID:3212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 816
  2⤵
  - Program crash
  PID:3876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 984
  2⤵
  - Program crash
  PID:4884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 1088
  2⤵
  - Program crash
  PID:740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 1640
  2⤵
  - Program crash
  PID:3380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "fdd06a0c48233f0aa5e715daf64eda681259ebd750489859b3935a4882c84d92.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 1744
  2⤵
  - Program crash
  PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2056 -ip 2056
1⤵
PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2056 -ip 2056
1⤵
PID:4756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2056 -ip 2056
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2056 -ip 2056
1⤵
PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2056 -ip 2056
1⤵
PID:3144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2056 -ip 2056
1⤵
PID:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2056 -ip 2056
1⤵
PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2056 -ip 2056
1⤵
PID:796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2056 -ip 2056
1⤵
PID:3228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2056 -ip 2056
1⤵
PID:1564

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\D1O30EO5\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2056-1-0x00000000029E0000-0x0000000002AE0000-memory.dmp

Filesize
1024KB

Download
memory/2056-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2056-2-0x00000000045F0000-0x000000000462C000-memory.dmp

Filesize
240KB

Download
memory/2056-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2056-14-0x0000000000400000-0x00000000028E4000-memory.dmp

Filesize
36.9MB

Download
memory/2056-22-0x00000000029E0000-0x0000000002AE0000-memory.dmp

Filesize
1024KB

Download
memory/2056-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2056-33-0x0000000000400000-0x00000000028E4000-memory.dmp

Filesize
36.9MB

Download
memory/2056-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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