gcleaner | 79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce

Analysis

max time kernel
149s
max time network
156s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
05-04-2024 04:23

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General

Target

79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe
Size

260KB
MD5

002ba1e8dc8600a717a2550fef8df45f
SHA1

91a1a7f2841c06abd49baf6fada4ef2c1880fd8b
SHA256

79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce
SHA512

be287d44e022fc2244c7cf01d63aa3514627f18dba83d60eee0e53537a1a5eabd682d3ea736f37abbaad1cff877b37dc37aeb27cd69cceeab80f4e1d54348b3a
SSDEEP

6144:4VfSVckR+Cqkv35wRHl3+FsO+Y40lIUcuaRnT:GqVBR+MvpwNluFsTSI6gT

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
712	4528	WerFault.exe	75
4468	4528	WerFault.exe	75
4380	4528	WerFault.exe	75
412	4528	WerFault.exe	75
4628	4528	WerFault.exe	75
4656	4528	WerFault.exe	75
3632	4528	WerFault.exe	75
2088	4528	WerFault.exe	75

Kills process with taskkill 1 IoCs

evasion

pid	Process
2992	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 3264	4528	79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe	91
PID 4528 wrote to memory of 3264	4528	79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe	91
PID 4528 wrote to memory of 3264	4528	79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe	91
PID 3264 wrote to memory of 2992	3264	cmd.exe	94
PID 3264 wrote to memory of 2992	3264	cmd.exe	94
PID 3264 wrote to memory of 2992	3264	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe
"C:\Users\Admin\AppData\Local\Temp\79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 772
  2⤵
  - Program crash
  PID:712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 812
  2⤵
  - Program crash
  PID:4468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 812
  2⤵
  - Program crash
  PID:4380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 832
  2⤵
  - Program crash
  PID:412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 952
  2⤵
  - Program crash
  PID:4628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 1084
  2⤵
  - Program crash
  PID:4656
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 1428
  2⤵
  - Program crash
  PID:3632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3264
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "79a4957f909897760a7424a0c3f249b1363cd39ebdbcbee84b25b696bd6a3dce.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 1460
  2⤵
  - Program crash
  PID:2088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4528 -ip 4528
1⤵
PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4528 -ip 4528
1⤵
PID:3936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4528 -ip 4528
1⤵
PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4528 -ip 4528
1⤵
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4528 -ip 4528
1⤵
PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4528 -ip 4528
1⤵
PID:1768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4528 -ip 4528
1⤵
PID:1660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4528 -ip 4528
1⤵
PID:2248

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

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Downloads

memory/4528-1-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/4528-2-0x00000000026A0000-0x00000000026CD000-memory.dmp

Filesize
180KB

Download
memory/4528-3-0x0000000000400000-0x000000000085E000-memory.dmp

Filesize
4.4MB

Download
memory/4528-5-0x0000000000400000-0x000000000085E000-memory.dmp

Filesize
4.4MB

Download
memory/4528-6-0x00000000026A0000-0x00000000026CD000-memory.dmp

Filesize
180KB

Download