gcleaner | d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 11:02

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General

Target

d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe
Size

272KB
MD5

95b1184cab998e05d5e899f7e3ad1c97
SHA1

a2ff64bcd57c703dea8d5f9be4f053c98b9e2a39
SHA256

d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d
SHA512

47c52c50057f6f7f5784be6274c3c4fe6028495c75d9efc0a3926fe024f079f43dd301ad3ca206a8472ade3624b677792e7d35acad13cb86584e86526482203f
SSDEEP

6144:oBBoBMvaF1X2TavDElrUzo3KdACYctRgqC6:oGMvaCavDEizo6Sl6

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

80.66.75.114

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.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
912	448	WerFault.exe	82

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	d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1724	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 1212	448	d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe	94
PID 448 wrote to memory of 1212	448	d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe	94
PID 448 wrote to memory of 1212	448	d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe	94
PID 1212 wrote to memory of 1724	1212	cmd.exe	98
PID 1212 wrote to memory of 1724	1212	cmd.exe	98
PID 1212 wrote to memory of 1724	1212	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe
"C:\Users\Admin\AppData\Local\Temp\d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1212
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d176ec3951ff55bd7bf3b07d09227fabd658351f8d77cab164c52c5d4ea96e1d.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 1376
  2⤵
  - Program crash
  PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 448 -ip 448
1⤵
PID:616

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYI0S376\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/448-1-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/448-2-0x00000000005B0000-0x00000000005DD000-memory.dmp

Filesize
180KB

Download
memory/448-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/448-9-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/448-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/448-12-0x00000000005B0000-0x00000000005DD000-memory.dmp

Filesize
180KB

Download
memory/448-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/448-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/448-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download