gcleaner | 10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6

General

Target

10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
Size

378KB
MD5

e416f0c4545a8ab20ba9b6960216dc27
SHA1

f5dcbd5318597802f0fa8e66dcd67e85e694c774
SHA256

10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6
SHA512

4184fa2cc96cdef5958393b928c3eb9dfbd4ef9258941c8afa3bb4bb2ecaf7b1a7d615c348facd9ed5e0db8f8eadea03018a2791a1c1eca11165216deabdaaac
SSDEEP

6144:0d9UENHk4ctLWUXll0QrdHgc+7X4nrgHEIOubT2:ehNH1cnX8P1snEHE/8

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 10 IoCs

Processes:

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

pid	pid_target	process	target process
4732	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
4484	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
2996	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
3268	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
1632	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
1184	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
2308	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
2348	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
2628	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
3120	392	WerFault.exe	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2428 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2428 taskkill.exe

pid	process
2428	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2428	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.execmd.exe

description	pid	process	target process
PID 392 wrote to memory of 2404	392	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe	cmd.exe
PID 392 wrote to memory of 2404	392	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe	cmd.exe
PID 392 wrote to memory of 2404	392	10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe	cmd.exe
PID 2404 wrote to memory of 2428	2404	cmd.exe	taskkill.exe
PID 2404 wrote to memory of 2428	2404	cmd.exe	taskkill.exe
PID 2404 wrote to memory of 2428	2404	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe
"C:\Users\Admin\AppData\Local\Temp\10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 480
2⤵
- Program crash
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 532
2⤵
- Program crash
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 780
2⤵
- Program crash
PID:2996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 800
2⤵
- Program crash
PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 780
2⤵
- Program crash
PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 852
2⤵
- Program crash
PID:1184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 984
2⤵
- Program crash
PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 1084
2⤵
- Program crash
PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 1724
2⤵
- Program crash
PID:2628

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2404

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "10199ba836bb58c20eeadbd6ef1f8fefc22a0b4989804a947c5b7440e8acc3d6.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 1424
2⤵
- Program crash
PID:3120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 392 -ip 392
1⤵
PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 392 -ip 392
1⤵
PID:3820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 392 -ip 392
1⤵
PID:3368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 392 -ip 392
1⤵
PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 392 -ip 392
1⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 392 -ip 392
1⤵
PID:1288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 392 -ip 392
1⤵
PID:1716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 392 -ip 392
1⤵
PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 392 -ip 392
1⤵
PID:3152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 392 -ip 392
1⤵
PID:3552

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\8S54EFAG\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/392-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/392-2-0x00000000007E0000-0x000000000081C000-memory.dmp

Filesize
240KB

Download
memory/392-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/392-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/392-14-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/392-23-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/392-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/392-34-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/392-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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