gcleaner | 1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a

General

Target

1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe
Size

404KB
MD5

99c7638be0509a072abebd09d8323eca
SHA1

a4cf202faa926b5d5dbc32fcbf309bf22159163f
SHA256

1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a
SHA512

85237d9370888ac96f8171cd6be5aca8951061c00d30ef46bd0db27d44b4f4329aa8e58ba8ddf0b6452706a9d3d69a8dfa7b592422516a802713f9fff005df33
SSDEEP

6144:Iwc5H5HH3Nzk0pE/FJuo1vV9Lg53ibNrURp9d:0XXNzkB+699fyRp9

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

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 9 IoCs

pid	pid_target	Process	procid_target
688	1972	WerFault.exe	78
1928	1972	WerFault.exe	78
4900	1972	WerFault.exe	78
3504	1972	WerFault.exe	78
4168	1972	WerFault.exe	78
636	1972	WerFault.exe	78
2132	1972	WerFault.exe	78
3468	1972	WerFault.exe	78
2892	1972	WerFault.exe	78

Kills process with taskkill 1 IoCs

evasion

pid	Process
1392	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1392	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1408	1972	1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe	101
PID 1972 wrote to memory of 1408	1972	1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe	101
PID 1972 wrote to memory of 1408	1972	1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe	101
PID 1408 wrote to memory of 1392	1408	cmd.exe	105
PID 1408 wrote to memory of 1392	1408	cmd.exe	105
PID 1408 wrote to memory of 1392	1408	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe
"C:\Users\Admin\AppData\Local\Temp\1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 784
  2⤵
  - Program crash
  PID:688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 792
  2⤵
  - Program crash
  PID:1928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 792
  2⤵
  - Program crash
  PID:4900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 868
  2⤵
  - Program crash
  PID:3504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 952
  2⤵
  - Program crash
  PID:4168
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 960
  2⤵
  - Program crash
  PID:636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1232
  2⤵
  - Program crash
  PID:2132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1432
  2⤵
  - Program crash
  PID:3468
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "1b718c30ab1b3697c697d2f6c04ed2a21358d569cb3a3b23b558019ee6f98a8a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1444
  2⤵
  - Program crash
  PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1972 -ip 1972
1⤵
PID:1792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1972 -ip 1972
1⤵
PID:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1972 -ip 1972
1⤵
PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1972 -ip 1972
1⤵
PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1972 -ip 1972
1⤵
PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1972 -ip 1972
1⤵
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1972 -ip 1972
1⤵
PID:2028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1972 -ip 1972
1⤵
PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1972 -ip 1972
1⤵
PID:4724

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

memory/1972-1-0x0000000001B10000-0x0000000001C10000-memory.dmp

Filesize
1024KB

Download
memory/1972-2-0x0000000003870000-0x000000000389D000-memory.dmp

Filesize
180KB

Download
memory/1972-3-0x0000000000400000-0x0000000001A30000-memory.dmp

Filesize
22.2MB

Download
memory/1972-5-0x0000000000400000-0x0000000001A30000-memory.dmp

Filesize
22.2MB

Download
memory/1972-6-0x0000000003870000-0x000000000389D000-memory.dmp

Filesize
180KB

Download

Analysis

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