gcleaner | b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef

Resubmissions

19/04/2024, 20:17

240419-y2ynysfb9x 10

16/04/2024, 19:50

240416-yklytsba38 10

16/04/2024, 19:47

240416-yhkyrace2t 10

Analysis

max time kernel
148s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
16/04/2024, 19:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe
Size

296KB
MD5

f7d2ce8ab86d84eb5f87f0d86fb063fa
SHA1

f9c142749b6581116e4676391b30815d4a98181c
SHA256

b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef
SHA512

10881fadd22757f4e90da3e0ced380450f3e689bb2fd4bc9281c3ee280e383ca876c137d4267a8536083a74fdb6620e4dab812a6297c9534fa4066b574dff9b2
SSDEEP

3072:B9LIa8DW0cO1L75Gi4ivyLOla1aEYAbsmuMe2mvzu0SpK5uobh4araQeeb:LLZH0cYLsreeaEdgmozws4RE

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

5.42.65.64

Attributes

url_path
/advdlc.php

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 8 IoCs

pid	pid_target	Process	procid_target
4820	1360	WerFault.exe	79
4132	1360	WerFault.exe	79
4796	1360	WerFault.exe	79
2500	1360	WerFault.exe	79
3184	1360	WerFault.exe	79
4552	1360	WerFault.exe	79
3312	1360	WerFault.exe	79
644	1360	WerFault.exe	79

Kills process with taskkill 1 IoCs

evasion

pid	Process
1768	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 2200	1360	b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe	96
PID 1360 wrote to memory of 2200	1360	b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe	96
PID 1360 wrote to memory of 2200	1360	b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe	96
PID 2200 wrote to memory of 1768	2200	cmd.exe	100
PID 2200 wrote to memory of 1768	2200	cmd.exe	100
PID 2200 wrote to memory of 1768	2200	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe
"C:\Users\Admin\AppData\Local\Temp\b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 780
  2⤵
  - Program crash
  PID:4820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 788
  2⤵
  - Program crash
  PID:4132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 788
  2⤵
  - Program crash
  PID:4796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 844
  2⤵
  - Program crash
  PID:2500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 952
  2⤵
  - Program crash
  PID:3184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 1084
  2⤵
  - Program crash
  PID:4552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 1432
  2⤵
  - Program crash
  PID:3312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "b2a7101f02840111a72d070f68470577aee62b37b3c35ff4993f28ab419c0eef.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 1388
  2⤵
  - Program crash
  PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1360 -ip 1360
1⤵
PID:2044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1360 -ip 1360
1⤵
PID:1984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1360 -ip 1360
1⤵
PID:2148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1360 -ip 1360
1⤵
PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1360 -ip 1360
1⤵
PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1360 -ip 1360
1⤵
PID:3328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1360 -ip 1360
1⤵
PID:1212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1360 -ip 1360
1⤵
PID:3540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1360-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

Filesize
1024KB

Download
memory/1360-2-0x00000000030D0000-0x00000000030FD000-memory.dmp

Filesize
180KB

Download
memory/1360-3-0x0000000000400000-0x0000000002C2D000-memory.dmp

Filesize
40.2MB

Download
memory/1360-5-0x0000000000400000-0x0000000002C2D000-memory.dmp

Filesize
40.2MB

Download
memory/1360-6-0x00000000030D0000-0x00000000030FD000-memory.dmp

Filesize
180KB

Download