gcleaner | 485019b5e07aea65dc682c4b5e723dfb945270d5fae4478c2a138de672058fc9

General

Target

SecuriteInfo.com.Win32.Evo-gen.18337.728.exe
Size

296KB
MD5

9b9947b2b0b117705b6d6f3cad057917
SHA1

7d2a7a0101dd0ab93170c2d541fb2cba9feedf38
SHA256

485019b5e07aea65dc682c4b5e723dfb945270d5fae4478c2a138de672058fc9
SHA512

38b2552d1a6a433bf0e3e53e615e268487bd9469eb7b9a42b933b0fca5b7e3b7f569b70f5de101a804dedaa193d4d0a9ce9957cff34f05b3d870dc54668d937d
SSDEEP

6144:JVvKInZEFOs7w8/IBbGM0ye8H0d7hkYNbJfQf2:JNKInZEJw8gBDAJ9kYzfQu

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.85

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Win32.Evo-gen.18337.728.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
404	2632	WerFault.exe	13

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecuriteInfo.com.Win32.Evo-gen.18337.728.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1448	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2848	2632	SecuriteInfo.com.Win32.Evo-gen.18337.728.exe	63
PID 2632 wrote to memory of 2848	2632	SecuriteInfo.com.Win32.Evo-gen.18337.728.exe	63
PID 2632 wrote to memory of 2848	2632	SecuriteInfo.com.Win32.Evo-gen.18337.728.exe	63
PID 2848 wrote to memory of 1448	2848	cmd.exe	69
PID 2848 wrote to memory of 1448	2848	cmd.exe	69
PID 2848 wrote to memory of 1448	2848	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.18337.728.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.18337.728.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "SecuriteInfo.com.Win32.Evo-gen.18337.728.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.18337.728.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "SecuriteInfo.com.Win32.Evo-gen.18337.728.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 1324
  2⤵
  - Program crash
  PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2632 -ip 2632
1⤵
PID:448

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2632-3-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2632-2-0x0000000002190000-0x00000000021BD000-memory.dmp

Filesize
180KB

Download
memory/2632-1-0x0000000000490000-0x0000000000590000-memory.dmp

Filesize
1024KB

Download
memory/2632-6-0x0000000002190000-0x00000000021BD000-memory.dmp

Filesize
180KB

Download
memory/2632-5-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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