gcleaner | 7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a

General

Target
7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe
Size 364KB
Sample240715-m2hf7awanh
SHA256 7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a
MD5 9cc232a934d8d9fec804076286cc20fc
SHA1 9fd2e9981213bef11a185ccc7c4521b91a0776bb
SHA512 5fa9f7d494d9e6a6cd704ac611a19dcd4f6124b4437629ee6642f3b441c072d061837cbd5876c88ed1c91ac59acc10094c720815761d3e174e1ca4d5df09daa1
SSDEEP 3072:LGkTdUGNiBXznFLg8ipdlDMpWHpNwddq3rAy4qfd3yTMz:LRTd5NAXJLg8ipdlDwaNwIHR3yT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90
185.172.128.69

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 9 IoCs

pid	pid_target	Process	procid_target
1096	4024	WerFault.exe	80
3580	4024	WerFault.exe	80
2872	4024	WerFault.exe	80
4180	4024	WerFault.exe	80
2024	4024	WerFault.exe	80
4924	4024	WerFault.exe	80
1548	4024	WerFault.exe	80
872	4024	WerFault.exe	80
3044	4024	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
404	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	404	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 4624	4024	7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe	99
PID 4024 wrote to memory of 4624	4024	7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe	99
PID 4024 wrote to memory of 4624	4024	7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe	99
PID 4624 wrote to memory of 404	4624	cmd.exe	103
PID 4624 wrote to memory of 404	4624	cmd.exe	103
PID 4624 wrote to memory of 404	4624	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe
"C:\Users\Admin\AppData\Local\Temp\7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 772
  2⤵
  - Program crash
  PID:1096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 812
  2⤵
  - Program crash
  PID:3580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 828
  2⤵
  - Program crash
  PID:2872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 868
  2⤵
  - Program crash
  PID:4180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 952
  2⤵
  - Program crash
  PID:2024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 1060
  2⤵
  - Program crash
  PID:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 1308
  2⤵
  - Program crash
  PID:1548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 1448
  2⤵
  - Program crash
  PID:872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4624
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "7870920dc36498188131d778b31bd0f03c2c90bee5eb16c9066b72aad0ebb65a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 1360
  2⤵
  - Program crash
  PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4024 -ip 4024
1⤵
PID:2004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4024 -ip 4024
1⤵
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4024 -ip 4024
1⤵
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4024 -ip 4024
1⤵
PID:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4024 -ip 4024
1⤵
PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4024 -ip 4024
1⤵
PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4024 -ip 4024
1⤵
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4024 -ip 4024
1⤵
PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4024 -ip 4024
1⤵
PID:2164

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

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\I2G7KTMH\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/4024-1-0x0000000002370000-0x0000000002470000-memory.dmp

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memory/4024-2-0x0000000003F10000-0x0000000003F3D000-memory.dmp

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memory/4024-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4024-8-0x0000000000400000-0x00000000020A4000-memory.dmp

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memory/4024-15-0x0000000003F10000-0x0000000003F3D000-memory.dmp

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memory/4024-14-0x0000000002370000-0x0000000002470000-memory.dmp

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memory/4024-17-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4024-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4024-22-0x0000000000400000-0x00000000020A4000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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