gcleaner | 44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8

General

Target

44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
Size

398KB
MD5

efdf1bf0aa00924eeda227d2a667402c
SHA1

12c7f32221997fb6d755652b393b40c3cfef13a8
SHA256

44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8
SHA512

72742658e76ada5619cfd70bc7150badc407773a879a79e38c3212089bc3c08df52a98ed387775ac4df73fed8bb1dd48ad051ad39e5c819f1b3f635450f7e99c
SSDEEP

3072:qKHcLcbe81I1VqTt1ib6EKrHYsaOIC4qJ2+fqYzheNRcbKPtnJMQLvmql/QimROO:qK8Lcbeu+eQbdKr3IwNhG3PtnW+vOO+

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

System Information Discovery
T1082

Program crash 9 IoCs

Processes:

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

pid	pid_target	process	target process
3508	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
3292	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
3240	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
2356	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
3212	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
4724	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
3832	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
1548	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
2940	4376	WerFault.exe	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1896 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1896 taskkill.exe

pid	process
1896	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1896	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.execmd.exe

description	pid	process	target process
PID 4376 wrote to memory of 1468	4376	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe	cmd.exe
PID 4376 wrote to memory of 1468	4376	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe	cmd.exe
PID 4376 wrote to memory of 1468	4376	44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe	cmd.exe
PID 1468 wrote to memory of 1896	1468	cmd.exe	taskkill.exe
PID 1468 wrote to memory of 1896	1468	cmd.exe	taskkill.exe
PID 1468 wrote to memory of 1896	1468	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe
"C:\Users\Admin\AppData\Local\Temp\44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 476
2⤵
- Program crash
PID:3508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 796
2⤵
- Program crash
PID:3292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 840
2⤵
- Program crash
PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 860
2⤵
- Program crash
PID:2356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 852
2⤵
- Program crash
PID:3212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1000
2⤵
- Program crash
PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1104
2⤵
- Program crash
PID:3832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1656
2⤵
- Program crash
PID:1548

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "44fde9646a83ab67cb1d65393213cf234cc5e167d00734d274b246ab1c7ff7c8.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1608
2⤵
- Program crash
PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4376 -ip 4376
1⤵
PID:3056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4376 -ip 4376
1⤵
PID:4216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4376 -ip 4376
1⤵
PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4376 -ip 4376
1⤵
PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4376 -ip 4376
1⤵
PID:416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4376 -ip 4376
1⤵
PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4376 -ip 4376
1⤵
PID:4276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4376 -ip 4376
1⤵
PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4376 -ip 4376
1⤵
PID:4780

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\1H94306K\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/4376-1-0x0000000002960000-0x0000000002A60000-memory.dmp

Filesize
1024KB

Download
memory/4376-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4376-2-0x0000000004450000-0x000000000448C000-memory.dmp

Filesize
240KB

Download
memory/4376-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4376-15-0x0000000000400000-0x0000000002750000-memory.dmp

Filesize
35.3MB

Download
memory/4376-23-0x0000000002960000-0x0000000002A60000-memory.dmp

Filesize
1024KB

Download
memory/4376-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4376-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4376-33-0x0000000000400000-0x0000000002750000-memory.dmp

Filesize
35.3MB

Download

Analysis

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