gcleaner | e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d

General

Target

e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe
Size

299KB
MD5

1cdbb7b73ae1a55aadd194d340690d3a
SHA1

bd04d3bd46cbe6fa259b0f55a279b534a402170e
SHA256

e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d
SHA512

702950ad1471dd44d7695e2e273121e7d9043d0a45a33914af1108eb703fdb5c2d484bacb644144f5f44d9266dfe082c33e2f42dd03bfbdd2cb5538052db6318
SSDEEP

6144:sfHn+TbryG/0oVtTpU7dQ02+JC4Bzf9yXcb:4Hn+TPyG3Ki0/C4a

Score

10^/10

gcleaner stealc default1 discovery loader stealer

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

45.91.200.135

Extracted

Family

stealc

Botnet

default1

C2

http://62.204.41.151

Attributes

url_path
/edd20096ecef326d.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2792	QZqH6UrtNhq.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2996	2792	WerFault.exe	81
3520	2468	WerFault.exe	79

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QZqH6UrtNhq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2928	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2792	2468	e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe	81
PID 2468 wrote to memory of 2792	2468	e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe	81
PID 2468 wrote to memory of 2792	2468	e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe	81
PID 2468 wrote to memory of 236	2468	e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe	85
PID 2468 wrote to memory of 236	2468	e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe	85
PID 2468 wrote to memory of 236	2468	e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe	85
PID 236 wrote to memory of 2928	236	cmd.exe	88
PID 236 wrote to memory of 2928	236	cmd.exe	88
PID 236 wrote to memory of 2928	236	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe
"C:\Users\Admin\AppData\Local\Temp\e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Users\Admin\AppData\Roaming\7i01gPfd136\QZqH6UrtNhq.exe
  "C:\Users\Admin\AppData\Roaming\7i01gPfd136\QZqH6UrtNhq.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 348
    3⤵
    - Program crash
    PID:2996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:236
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "e8420995c724cb799a7fde56eece43118fca98fbaf816403f35ee96d471f727d.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 1672
  2⤵
  - Program crash
  PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2792 -ip 2792
1⤵
PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2468 -ip 2468
1⤵
PID:3216

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\7i01gPfd136\QZqH6UrtNhq.exe

Filesize
403KB

MD5
d63a5f65717d98eb8f68beab148286a4

SHA1
4444722c6d10546061ff20f520a3051bf49bac61

SHA256
5a390321cc87a474f3834d0dc8c9ef5f8ad4b3606deafca96c9366fc31a7ace9

SHA512
5f9938221e40fcaa858016f0814fb7547cb0e025a9ee70cd2d6a4f1395be4d58e85f90d28ff99b60da23059911f6bdaee4dce1827488cc604e98949ee9f96393

Download Submit
memory/2468-22-0x0000000002160000-0x000000000219B000-memory.dmp

Filesize
236KB

Download
memory/2468-3-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2468-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2468-2-0x0000000002160000-0x000000000219B000-memory.dmp

Filesize
236KB

Download
memory/2468-21-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2468-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2468-23-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2468-24-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2468-32-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2468-33-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2792-18-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2792-17-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2792-19-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads