gcleaner | 42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7

General

Target
42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe
Size 227KB
Sample240710-s248vawarn
SHA256 42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7
MD5 4d13c1089f05a6faed115c5c0a016248
SHA1 725fcd8e1a7410147881c434ee88a8fde0c5f671
SHA512 4768458c48944d909eb05d68e32c9c057094bd90dbe85209308c3f8dbc521c38818a7ad2d6257726fcb75cad5f9b40c97aba51bc1d5b75d3c119e4e739940ef1
SSDEEP 3072:XOuRJiTQoV0U9c6Fl1c447kIDrvyiSFR421md4dwQlGEOTanXYWYXW9tTJhg:RJVyFnwrKii42kS6xEcWIWYG9tT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90
185.172.128.69

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 9 IoCs

pid	pid_target	Process	procid_target
1856	1604	WerFault.exe	77
4404	1604	WerFault.exe	77
3248	1604	WerFault.exe	77
2416	1604	WerFault.exe	77
1912	1604	WerFault.exe	77
4996	1604	WerFault.exe	77
1440	1604	WerFault.exe	77
4368	1604	WerFault.exe	77
4612	1604	WerFault.exe	77

Kills process with taskkill 1 IoCs

evasion

pid	Process
2256	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 3152	1604	42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe	95
PID 1604 wrote to memory of 3152	1604	42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe	95
PID 1604 wrote to memory of 3152	1604	42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe	95
PID 3152 wrote to memory of 2256	3152	cmd.exe	99
PID 3152 wrote to memory of 2256	3152	cmd.exe	99
PID 3152 wrote to memory of 2256	3152	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe
"C:\Users\Admin\AppData\Local\Temp\42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 776
  2⤵
  - Program crash
  PID:1856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 816
  2⤵
  - Program crash
  PID:4404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 832
  2⤵
  - Program crash
  PID:3248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 868
  2⤵
  - Program crash
  PID:2416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 952
  2⤵
  - Program crash
  PID:1912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1060
  2⤵
  - Program crash
  PID:4996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1144
  2⤵
  - Program crash
  PID:1440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1440
  2⤵
  - Program crash
  PID:4368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3152
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "42bf2bfe3c6cfd5747755f4a37b527959bdc50dba724cf8885b6e8733e4ac2d7.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1508
  2⤵
  - Program crash
  PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1604 -ip 1604
1⤵
PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1604 -ip 1604
1⤵
PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1604 -ip 1604
1⤵
PID:836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1604 -ip 1604
1⤵
PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 1604 -ip 1604
1⤵
PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 1604 -ip 1604
1⤵
PID:2056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1604 -ip 1604
1⤵
PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1604 -ip 1604
1⤵
PID:3500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 1604 -ip 1604
1⤵
PID:3028

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/1604-1-0x00000000029A0000-0x0000000002AA0000-memory.dmp

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memory/1604-2-0x0000000004690000-0x00000000046BD000-memory.dmp

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memory/1604-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1604-8-0x0000000000400000-0x000000000281F000-memory.dmp

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memory/1604-15-0x0000000004690000-0x00000000046BD000-memory.dmp

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memory/1604-14-0x00000000029A0000-0x0000000002AA0000-memory.dmp

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memory/1604-17-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1604-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1604-22-0x0000000000400000-0x000000000281F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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