gcleaner | 0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
22-06-2024 21:20

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General

Target

0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe
Size

338KB
MD5

7139950d896720222bfeb4c29d8ee006
SHA1

b615ce184fa9151791551beb04b2c41eca9182e0
SHA256

0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a
SHA512

ea47173f264804f68220296b7c0893768a28ae7cb7aa64372a0ebf998677186e86f63e6d5edd075a891040db00ea61f541f0f2cf6f0c89788f38e9bee7571ba0
SSDEEP

6144:/8YhBmPWOcHp6/qNsuBMTSwBQaqxgPoKVPF23M:/8YhBmPOp6CpGWDaqCy3

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1460 4292 WerFault.exe 0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4876 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4876 taskkill.exe

pid	pid_target	process	target process
1460	4292	WerFault.exe	0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe

pid	process
4876	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4876	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.execmd.exe

description	pid	process	target process
PID 4292 wrote to memory of 4908	4292	0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe	cmd.exe
PID 4292 wrote to memory of 4908	4292	0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe	cmd.exe
PID 4292 wrote to memory of 4908	4292	0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe	cmd.exe
PID 4908 wrote to memory of 4876	4908	cmd.exe	taskkill.exe
PID 4908 wrote to memory of 4876	4908	cmd.exe	taskkill.exe
PID 4908 wrote to memory of 4876	4908	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe
"C:\Users\Admin\AppData\Local\Temp\0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4292

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4908

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "0ccb5a6597bc28850c9bae8e13f979a7e469ffd7ee7d8a940aa4cf16c104b81a.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 1580
2⤵
- Program crash
PID:1460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4292 -ip 4292
1⤵
PID:3100

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QVZ2Q952\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/4292-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/4292-2-0x00000000021B0000-0x00000000021EC000-memory.dmp

Filesize
240KB

Download
memory/4292-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4292-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4292-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4292-23-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/4292-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4292-33-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4292-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download