gcleaner | d37558506f2c695cc909fc5fee628f48c88e85055b83049f8d3e3bb6a67ddc5f

General

Target

0e794af2916c13f521cf6134a1d90b37.exe
Size

333KB
MD5

0e794af2916c13f521cf6134a1d90b37
SHA1

76d0625a24e6033c93806d7345a7494e88623167
SHA256

d37558506f2c695cc909fc5fee628f48c88e85055b83049f8d3e3bb6a67ddc5f
SHA512

be62ad005df78d7f9c707672b64f049e71c4aadbd3f3362bffe298f82a687deafae58643262a698256ed2c9156a822b00cd185d43605e3532087516402e4cf07
SSDEEP

6144:YqDbjsQW1yl+AvwJFnrSyPkBK/jg9rKtUJFI1uT:rsbolyrSvIs9rKtUwm

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
Downloads MZ/PE file

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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	0e794af2916c13f521cf6134a1d90b37.exe

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

System Information Discovery
T1082

Program crash 10 IoCs

pid	pid_target	Process	procid_target
1368	764	WerFault.exe	81
760	764	WerFault.exe	81
5108	764	WerFault.exe	81
2568	764	WerFault.exe	81
4904	764	WerFault.exe	81
2724	764	WerFault.exe	81
3764	764	WerFault.exe	81
2924	764	WerFault.exe	81
4480	764	WerFault.exe	81
3316	764	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
1368	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 932	764	0e794af2916c13f521cf6134a1d90b37.exe	114
PID 764 wrote to memory of 932	764	0e794af2916c13f521cf6134a1d90b37.exe	114
PID 764 wrote to memory of 932	764	0e794af2916c13f521cf6134a1d90b37.exe	114
PID 932 wrote to memory of 1368	932	cmd.exe	118
PID 932 wrote to memory of 1368	932	cmd.exe	118
PID 932 wrote to memory of 1368	932	cmd.exe	118

C:\Users\Admin\AppData\Local\Temp\0e794af2916c13f521cf6134a1d90b37.exe
"C:\Users\Admin\AppData\Local\Temp\0e794af2916c13f521cf6134a1d90b37.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 452
  2⤵
  - Program crash
  PID:1368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 508
  2⤵
  - Program crash
  PID:760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 760
  2⤵
  - Program crash
  PID:5108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 788
  2⤵
  - Program crash
  PID:2568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 780
  2⤵
  - Program crash
  PID:4904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 852
  2⤵
  - Program crash
  PID:2724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 932
  2⤵
  - Program crash
  PID:3764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 984
  2⤵
  - Program crash
  PID:2924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 1508
  2⤵
  - Program crash
  PID:4480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "0e794af2916c13f521cf6134a1d90b37.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0e794af2916c13f521cf6134a1d90b37.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:932
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "0e794af2916c13f521cf6134a1d90b37.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 1552
  2⤵
  - Program crash
  PID:3316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 764 -ip 764
1⤵
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 764 -ip 764
1⤵
PID:612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 764 -ip 764
1⤵
PID:2644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 764 -ip 764
1⤵
PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 764 -ip 764
1⤵
PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 764 -ip 764
1⤵
PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 764 -ip 764
1⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 764 -ip 764
1⤵
PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 764 -ip 764
1⤵
PID:664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 764 -ip 764
1⤵
PID:4940

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VLW1SL5J\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/764-2-0x00000000023F0000-0x000000000242C000-memory.dmp

Filesize
240KB

Download
memory/764-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/764-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/764-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/764-15-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/764-19-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/764-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/764-33-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/764-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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