gcleaner | b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
25-06-2024 15:33

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General

Target

b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
Size

396KB
MD5

e6134d93788406050703a9bdaa850c2b
SHA1

64b52b85065bc362e34c91c92ccd65c55bb021e8
SHA256

b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc
SHA512

27d26a92f26cdbe9981d5599f112a393f818c8cf1ecbcdd067d36fbf66d9a29cd744a6190ee3ac9241dcd991065d28cfcc5e3905b16e271a2b757bd2ec77e425
SSDEEP

6144:sCL+zUmSYdHtLS4TdX11DKXa9mjB8pPN3:f6zIYzJX11cSmteN

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 10 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
4152	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
2740	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
4932	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
4504	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
844	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
3008	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
3932	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
2212	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
3332	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
1792	3944	WerFault.exe	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3440 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3440 taskkill.exe

pid	process
3440	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3440	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.execmd.exe

description	pid	process	target process
PID 3944 wrote to memory of 1744	3944	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe	cmd.exe
PID 3944 wrote to memory of 1744	3944	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe	cmd.exe
PID 3944 wrote to memory of 1744	3944	b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe	cmd.exe
PID 1744 wrote to memory of 3440	1744	cmd.exe	taskkill.exe
PID 1744 wrote to memory of 3440	1744	cmd.exe	taskkill.exe
PID 1744 wrote to memory of 3440	1744	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe
"C:\Users\Admin\AppData\Local\Temp\b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 480
2⤵
- Program crash
PID:4152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 796
2⤵
- Program crash
PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 816
2⤵
- Program crash
PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 860
2⤵
- Program crash
PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 836
2⤵
- Program crash
PID:844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 992
2⤵
- Program crash
PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 1088
2⤵
- Program crash
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 1380
2⤵
- Program crash
PID:2212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 1664
2⤵
- Program crash
PID:3332

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "b615008c2cabbc79de198aa92bc72f9bc615bcec1518d88952b40016845553fc.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 492
2⤵
- Program crash
PID:1792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3944 -ip 3944
1⤵
PID:4548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3944 -ip 3944
1⤵
PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3944 -ip 3944
1⤵
PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3944 -ip 3944
1⤵
PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3944 -ip 3944
1⤵
PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3944 -ip 3944
1⤵
PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3944 -ip 3944
1⤵
PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3944 -ip 3944
1⤵
PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3944 -ip 3944
1⤵
PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3944 -ip 3944
1⤵
PID:4064

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\QF81BTGY\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3944-1-0x0000000002990000-0x0000000002A90000-memory.dmp

Filesize
1024KB

Download
memory/3944-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3944-2-0x0000000004470000-0x00000000044AC000-memory.dmp

Filesize
240KB

Download
memory/3944-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3944-14-0x0000000000400000-0x0000000002750000-memory.dmp

Filesize
35.3MB

Download
memory/3944-22-0x0000000002990000-0x0000000002A90000-memory.dmp

Filesize
1024KB

Download
memory/3944-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3944-26-0x0000000000400000-0x0000000002750000-memory.dmp

Filesize
35.3MB

Download
memory/3944-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3944-34-0x0000000000400000-0x0000000002750000-memory.dmp

Filesize
35.3MB

Download