gcleaner | a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870

General

Target
a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe
Size 364KB
Sample240715-qdb62ssfkr
SHA256 a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870
MD5 b1b1a8c3174849dffc9a705911cfe733
SHA1 7f1b1b982c3250ee3c32efc9a3ca5b1d7acfbe5f
SHA512 37a050ff3eb0cc2feae41e779a402e75315bc871963c45abdc2d53cee10c398ac1fb03d7b4e75acc5273c7c5b84d97de2ecc085e75bcd5bce5a54891aeca82d6
SSDEEP 3072:zGET9Q2tpDqQ0p8MX+v7ckgKBn2bNSofNYUiZnk3m+hTs5H/ZyhZTc++lIUTMz:zBT9FthJAE2AoVLm+hTIH/ArIIUT
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
2936	4656	WerFault.exe	80
1624	4656	WerFault.exe	80
2896	4656	WerFault.exe	80
248	4656	WerFault.exe	80
1780	4656	WerFault.exe	80
3616	4656	WerFault.exe	80
1432	4656	WerFault.exe	80
3052	4656	WerFault.exe	80
1920	4656	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
2616	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 3592	4656	a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe	99
PID 4656 wrote to memory of 3592	4656	a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe	99
PID 4656 wrote to memory of 3592	4656	a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe	99
PID 3592 wrote to memory of 2616	3592	cmd.exe	103
PID 3592 wrote to memory of 2616	3592	cmd.exe	103
PID 3592 wrote to memory of 2616	3592	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe
"C:\Users\Admin\AppData\Local\Temp\a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 772
  2⤵
  - Program crash
  PID:2936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 780
  2⤵
  - Program crash
  PID:1624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 832
  2⤵
  - Program crash
  PID:2896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 840
  2⤵
  - Program crash
  PID:248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 952
  2⤵
  - Program crash
  PID:1780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 1060
  2⤵
  - Program crash
  PID:3616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 1316
  2⤵
  - Program crash
  PID:1432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 1452
  2⤵
  - Program crash
  PID:3052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3592
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a596a62f2d7bd919f58685b3028437a9d7b3ade5da9acba5caa5666651429870.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 1404
  2⤵
  - Program crash
  PID:1920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4656 -ip 4656
1⤵
PID:1272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4656 -ip 4656
1⤵
PID:340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4656 -ip 4656
1⤵
PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4656 -ip 4656
1⤵
PID:2384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4656 -ip 4656
1⤵
PID:3416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4656 -ip 4656
1⤵
PID:1120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4656 -ip 4656
1⤵
PID:1312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4656 -ip 4656
1⤵
PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4656 -ip 4656
1⤵
PID:3640

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

Replay Monitor

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\861MYGNE\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/4656-1-0x00000000021F0000-0x00000000022F0000-memory.dmp

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memory/4656-2-0x0000000003DB0000-0x0000000003DDD000-memory.dmp

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memory/4656-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4656-8-0x0000000000400000-0x00000000020A4000-memory.dmp

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memory/4656-15-0x0000000003DB0000-0x0000000003DDD000-memory.dmp

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memory/4656-14-0x00000000021F0000-0x00000000022F0000-memory.dmp

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memory/4656-17-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4656-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4656-22-0x0000000000400000-0x00000000020A4000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads