gcleaner | f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544

Analysis

max time kernel
106s
max time network
124s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
28/05/2024, 00:23

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General

Target
f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe
Size 344KB
Sample240528-apylesfe6w
SHA256 f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544
MD5 72422265beaec7caaab1b56946c23c50
SHA1 def66af74c82d0df7796a5a829ee8cc25019e5ea
SHA512 219838aba2640770842c68fdc0c76f940521bbaeeae9aff023883b08ae51e6bc31f00e696aaee96b9b807ac1a5908cb2b6e6416d1445004a0cadd15551ed4cee
SSDEEP 3072:2V6nk5rJdThB4QO1p+HGbMN+9PqO90hYMq64nEidRZUscPpbV5CpiJW5ck+/5WZ9:2ckpTs/eHDOd64n1LZqPppsi7wZnUe
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

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
1016	3796	WerFault.exe	80
4292	3796	WerFault.exe	80
1676	3796	WerFault.exe	80
2256	3796	WerFault.exe	80
3056	3796	WerFault.exe	80
3644	3796	WerFault.exe	80
488	3796	WerFault.exe	80
4304	3796	WerFault.exe	80
4196	3796	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
4936	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4936	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 3984	3796	f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe	101
PID 3796 wrote to memory of 3984	3796	f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe	101
PID 3796 wrote to memory of 3984	3796	f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe	101
PID 3984 wrote to memory of 4936	3984	cmd.exe	104
PID 3984 wrote to memory of 4936	3984	cmd.exe	104
PID 3984 wrote to memory of 4936	3984	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe
"C:\Users\Admin\AppData\Local\Temp\f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 476
  2⤵
  - Program crash
  PID:1016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 796
  2⤵
  - Program crash
  PID:4292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 816
  2⤵
  - Program crash
  PID:1676
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 840
  2⤵
  - Program crash
  PID:2256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 908
  2⤵
  - Program crash
  PID:3056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 1000
  2⤵
  - Program crash
  PID:3644
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 1084
  2⤵
  - Program crash
  PID:488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 1656
  2⤵
  - Program crash
  PID:4304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3984
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "f9f4c82e31af92238ea1a7bee391e2bf73381a361270822a2fb6e226d34d3544.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 544
  2⤵
  - Program crash
  PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3796 -ip 3796
1⤵
PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3796 -ip 3796
1⤵
PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3796 -ip 3796
1⤵
PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3796 -ip 3796
1⤵
PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3796 -ip 3796
1⤵
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3796 -ip 3796
1⤵
PID:3148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3796 -ip 3796
1⤵
PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3796 -ip 3796
1⤵
PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3796 -ip 3796
1⤵
PID:4300

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

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZTEP9QHJ\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/3796-1-0x00000000021D0000-0x00000000022D0000-memory.dmp

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memory/3796-2-0x0000000002310000-0x000000000234C000-memory.dmp

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memory/3796-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/3796-9-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/3796-14-0x0000000000400000-0x0000000001FA1000-memory.dmp

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memory/3796-17-0x00000000021D0000-0x00000000022D0000-memory.dmp

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memory/3796-22-0x0000000002310000-0x000000000234C000-memory.dmp

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memory/3796-24-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/3796-27-0x0000000000400000-0x0000000001FA1000-memory.dmp

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memory/3796-36-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/3796-35-0x0000000000400000-0x0000000001FA1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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