gcleaner | fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a

General

Target

fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe
Size

344KB
MD5

e87958551c2818a36b4a6dd38c163ffc
SHA1

5ee46ef80b43ce3beb39ef1cb2a45fb890fda9bd
SHA256

fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a
SHA512

56b4214a44d2cfd08f41169115a388bd28dee26d341ea7cf130a0eba3388644c7d59a888d701f35d07e622677036ecbea056432ada12c6f61002db8fa0d35f40
SSDEEP

3072:aaP81pkPvgWSc+lzQj5o2MFW4WxwTCoijN1JUlDS63o2mZsT+bAJytC2cC/BSAv1:4iY84A4ax/jN1JUZS9Z92apcClVfuz

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation	fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 8 IoCs

pid	pid_target	Process	procid_target
1880	3208	WerFault.exe	83
2496	3208	WerFault.exe	83
892	3208	WerFault.exe	83
2920	3208	WerFault.exe	83
5092	3208	WerFault.exe	83
4896	3208	WerFault.exe	83
2160	3208	WerFault.exe	83
3520	3208	WerFault.exe	83

Kills process with taskkill 1 IoCs

evasion

pid	Process
2996	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2996	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 3960	3208	fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe	109
PID 3208 wrote to memory of 3960	3208	fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe	109
PID 3208 wrote to memory of 3960	3208	fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe	109
PID 3960 wrote to memory of 2996	3960	cmd.exe	113
PID 3960 wrote to memory of 2996	3960	cmd.exe	113
PID 3960 wrote to memory of 2996	3960	cmd.exe	113

C:\Users\Admin\AppData\Local\Temp\fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe
"C:\Users\Admin\AppData\Local\Temp\fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 740
  2⤵
  - Program crash
  PID:1880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 760
  2⤵
  - Program crash
  PID:2496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 760
  2⤵
  - Program crash
  PID:892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 832
  2⤵
  - Program crash
  PID:2920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 904
  2⤵
  - Program crash
  PID:5092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 1004
  2⤵
  - Program crash
  PID:4896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 1320
  2⤵
  - Program crash
  PID:2160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3960
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "fd6077d931028e1dd90fef98a26c091066d545b68f8c0d442da09e2791381a1a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 1292
  2⤵
  - Program crash
  PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3208 -ip 3208
1⤵
PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3208 -ip 3208
1⤵
PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3208 -ip 3208
1⤵
PID:2028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3208 -ip 3208
1⤵
PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3208 -ip 3208
1⤵
PID:3548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3208 -ip 3208
1⤵
PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3208 -ip 3208
1⤵
PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3208 -ip 3208
1⤵
PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3208-1-0x0000000001D60000-0x0000000001E60000-memory.dmp

Filesize
1024KB

Download
memory/3208-2-0x0000000001B70000-0x0000000001B9D000-memory.dmp

Filesize
180KB

Download
memory/3208-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3208-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3208-6-0x0000000001B70000-0x0000000001B9D000-memory.dmp

Filesize
180KB

Download
memory/3208-5-0x0000000000400000-0x0000000001A20000-memory.dmp

Filesize
22.1MB

Download

Analysis

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