gcleaner | 1cdd54b1e4627c03763084b0b3064b085fe7b50de63121cdddd32dd10e0dff7a

Analysis

max time kernel
8s
max time network
63s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 20:50

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General

Target
1c31f27bae6ee506d36e2dc876074670.exe
Size 364KB
Sample231230-zmsd3aaaa7
SHA256 1cdd54b1e4627c03763084b0b3064b085fe7b50de63121cdddd32dd10e0dff7a
MD5 1c31f27bae6ee506d36e2dc876074670
SHA1 d4c68965794c588c75dbe526fa1d39cfbd56b5f2
SHA512 7b613c12c8c983cb349ab20090ceffdd6cae797ed6c87b25fac390aeb6d0048bbaddf5554b3426d9d9bbbc1f8ce05d7c37a6f71069811217ee5d4874c08298f9
SSDEEP 6144:q4gRPBLT7EysmQkAK5vaitpLt2s4nMntYeu3miyS0IceWwfVRq7v6iaTIVO1yUw7:+PtHEvgpLww5WmhwVRq7v6iaTICyUJO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

194.145.227.161

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/3904-2-0x00000000024A0000-0x00000000024E9000-memory.dmp	family_onlylogger
behavioral2/memory/3904-3-0x0000000000400000-0x00000000023C5000-memory.dmp	family_onlylogger
behavioral2/memory/3904-5-0x00000000024A0000-0x00000000024E9000-memory.dmp	family_onlylogger
behavioral2/memory/3904-4-0x0000000000400000-0x00000000023C5000-memory.dmp	family_onlylogger

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	1c31f27bae6ee506d36e2dc876074670.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
4880	3904	WerFault.exe	16
4640	3904	WerFault.exe	16
2328	3904	WerFault.exe	16
2284	3904	WerFault.exe	16
3952	3904	WerFault.exe	16
3920	3904	WerFault.exe	16
860	3904	WerFault.exe	16

Kills process with taskkill 1 IoCs

evasion

pid	Process
2300	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 3220	3904	1c31f27bae6ee506d36e2dc876074670.exe	113
PID 3904 wrote to memory of 3220	3904	1c31f27bae6ee506d36e2dc876074670.exe	113
PID 3904 wrote to memory of 3220	3904	1c31f27bae6ee506d36e2dc876074670.exe	113
PID 3220 wrote to memory of 2300	3220	cmd.exe	110
PID 3220 wrote to memory of 2300	3220	cmd.exe	110
PID 3220 wrote to memory of 2300	3220	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\1c31f27bae6ee506d36e2dc876074670.exe
"C:\Users\Admin\AppData\Local\Temp\1c31f27bae6ee506d36e2dc876074670.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 736
  2⤵
  - Program crash
  PID:4880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 772
  2⤵
  - Program crash
  PID:4640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 940
  2⤵
  - Program crash
  PID:2328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 792
  2⤵
  - Program crash
  PID:2284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 940
  2⤵
  - Program crash
  PID:3952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 924
  2⤵
  - Program crash
  PID:3920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 980
  2⤵
  - Program crash
  PID:860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "1c31f27bae6ee506d36e2dc876074670.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1c31f27bae6ee506d36e2dc876074670.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3904 -ip 3904
1⤵
PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3904 -ip 3904
1⤵
PID:2668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3904 -ip 3904
1⤵
PID:720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3904 -ip 3904
1⤵
PID:1064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3904 -ip 3904
1⤵
PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3904 -ip 3904
1⤵
PID:4364

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "1c31f27bae6ee506d36e2dc876074670.exe" /f
1⤵
- Kills process with taskkill
PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3904 -ip 3904
1⤵
PID:3648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3904-2-0x00000000024A0000-0x00000000024E9000-memory.dmp

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memory/3904-1-0x00000000026E0000-0x00000000027E0000-memory.dmp

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memory/3904-3-0x0000000000400000-0x00000000023C5000-memory.dmp

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memory/3904-5-0x00000000024A0000-0x00000000024E9000-memory.dmp

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memory/3904-4-0x0000000000400000-0x00000000023C5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads