gcleaner | 3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743

General

Target

3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
Size

369KB
MD5

ed509c4893a3ad5607d043113a9006e9
SHA1

eb7b8e9c58eecb331dc6c4bf60528f7b861fa219
SHA256

3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743
SHA512

d9dee655f0b9de69c6add3332136bd8803d3329fca04c7dc15e7156ceb15f11171591bd4e3c253dcbb07dfb659f162c4f3d7133f850655c9658379cb1bfc45fa
SSDEEP

6144:oZeJE+fnF9nqZ2NW0+t94siAoU5lePGZBuAXz7LTlcM:oZeDfnF9qZ2NpGVidUO6nXVcM

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 11 IoCs

Processes:

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

pid	pid_target	process	target process
3224	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
1804	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
3812	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
5076	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
3392	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
1372	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
424	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
2036	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
540	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
3164	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
5008	3412	WerFault.exe	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

244 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 244 taskkill.exe

pid	process
244	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	244	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.execmd.exe

description	pid	process	target process
PID 3412 wrote to memory of 1644	3412	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe	cmd.exe
PID 3412 wrote to memory of 1644	3412	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe	cmd.exe
PID 3412 wrote to memory of 1644	3412	3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe	cmd.exe
PID 1644 wrote to memory of 244	1644	cmd.exe	taskkill.exe
PID 1644 wrote to memory of 244	1644	cmd.exe	taskkill.exe
PID 1644 wrote to memory of 244	1644	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe
"C:\Users\Admin\AppData\Local\Temp\3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 476
2⤵
- Program crash
PID:3224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 500
2⤵
- Program crash
PID:1804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 780
2⤵
- Program crash
PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 800
2⤵
- Program crash
PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 828
2⤵
- Program crash
PID:3392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 852
2⤵
- Program crash
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 984
2⤵
- Program crash
PID:424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 992
2⤵
- Program crash
PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1240
2⤵
- Program crash
PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1672
2⤵
- Program crash
PID:3164

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1644

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "3eef1d0d547de1d8edc9fb20663eb34805778d87eda3c14a56256528f6d5f743.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 1648
2⤵
- Program crash
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3412 -ip 3412
1⤵
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3412 -ip 3412
1⤵
PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3412 -ip 3412
1⤵
PID:2284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3412 -ip 3412
1⤵
PID:3212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3412 -ip 3412
1⤵
PID:780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3412 -ip 3412
1⤵
PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3412 -ip 3412
1⤵
PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3412 -ip 3412
1⤵
PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3412 -ip 3412
1⤵
PID:1428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3412 -ip 3412
1⤵
PID:2280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3412 -ip 3412
1⤵
PID:4976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VZQAW3IB\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3412-1-0x0000000002FD0000-0x00000000030D0000-memory.dmp

Filesize
1024KB

Download
memory/3412-2-0x0000000002F20000-0x0000000002F5C000-memory.dmp

Filesize
240KB

Download
memory/3412-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3412-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3412-15-0x0000000000400000-0x0000000002CBA000-memory.dmp

Filesize
40.7MB

Download
memory/3412-22-0x0000000002FD0000-0x00000000030D0000-memory.dmp

Filesize
1024KB

Download
memory/3412-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3412-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3412-33-0x0000000000400000-0x0000000002CBA000-memory.dmp

Filesize
40.7MB

Download

Analysis

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