gcleaner | 3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1

General

Target

3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe
Size

276KB
MD5

2bc0a14889b50348187bb816a36725e8
SHA1

e7518022d51f9cca15a92a2f9bd4021773315a63
SHA256

3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1
SHA512

9551be263b6b3eb62e7392e78cb374b86ce56387dd1080e51335f5adcb2f1def26b7062ec61b33953df3e31672b59cc3fc8b257cb7aa8a5b5272d739670712a3
SSDEEP

3072:ZuGnnMlToA3ahjY3T+iMkS2lL7EMyTfqeVQph9+DwiCy+2+Pi/Y6HgltBhkONwwB:rnM9qJigg7E3LYb9Hi42qi/Alq8

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

185.172.128.69

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe

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

System Information Discovery
T1082

Program crash 11 IoCs

pid	pid_target	Process	procid_target
4664	936	WerFault.exe	82
3080	936	WerFault.exe	82
2352	936	WerFault.exe	82
2128	936	WerFault.exe	82
456	936	WerFault.exe	82
1276	936	WerFault.exe	82
1624	936	WerFault.exe	82
3836	936	WerFault.exe	82
4080	936	WerFault.exe	82
2176	936	WerFault.exe	82
752	936	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
4676	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4676	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 3448	936	3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe	114
PID 936 wrote to memory of 3448	936	3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe	114
PID 936 wrote to memory of 3448	936	3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe	114
PID 3448 wrote to memory of 4676	3448	cmd.exe	118
PID 3448 wrote to memory of 4676	3448	cmd.exe	118
PID 3448 wrote to memory of 4676	3448	cmd.exe	118

C:\Users\Admin\AppData\Local\Temp\3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe
"C:\Users\Admin\AppData\Local\Temp\3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 468
  2⤵
  - Program crash
  PID:4664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 448
  2⤵
  - Program crash
  PID:3080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 748
  2⤵
  - Program crash
  PID:2352
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 756
  2⤵
  - Program crash
  PID:2128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 756
  2⤵
  - Program crash
  PID:456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 768
  2⤵
  - Program crash
  PID:1276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 912
  2⤵
  - Program crash
  PID:1624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 992
  2⤵
  - Program crash
  PID:3836
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 1128
  2⤵
  - Program crash
  PID:4080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 1348
  2⤵
  - Program crash
  PID:2176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3448
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "3abd54be7c96b8f42d6bec2a62d174de538a404a1dcc07cdd02e5035518c2de1.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4676
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 1280
  2⤵
  - Program crash
  PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 936 -ip 936
1⤵
PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 936 -ip 936
1⤵
PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 936 -ip 936
1⤵
PID:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 936 -ip 936
1⤵
PID:4884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 936 -ip 936
1⤵
PID:452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 936 -ip 936
1⤵
PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 936 -ip 936
1⤵
PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 936 -ip 936
1⤵
PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 936 -ip 936
1⤵
PID:1172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 936 -ip 936
1⤵
PID:1152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 936 -ip 936
1⤵
PID:5004

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/936-1-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

Filesize
1024KB

Download
memory/936-2-0x0000000002E10000-0x0000000002E4C000-memory.dmp

Filesize
240KB

Download
memory/936-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/936-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/936-7-0x0000000002E10000-0x0000000002E4C000-memory.dmp

Filesize
240KB

Download
memory/936-6-0x0000000000400000-0x0000000002CA3000-memory.dmp

Filesize
40.6MB

Download

Analysis

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