gcleaner | ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23

General

Target

ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
Size

303KB
MD5

d7a9b38f0f8037e514766f21cfae21ce
SHA1

d5d45922b0d0e34a2a4d907fb1a75f71428d69fb
SHA256

ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23
SHA512

248aefcdd9989abb405f9a7fdaaac64be2261bfc6ec0e320a74bef7cb2c1291fc45f95b436d4da1a2995b0664d1b7762d6761371b4cb43005e032952f2ca9456
SSDEEP

6144:zLJkYwNzegsnQynFjpzeWKw5W4tgFYc5BZBRi:zdk7NKgsj1pCWxW4Gti

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 8 IoCs

Processes:

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

pid	pid_target	process	target process
3912	420	WerFault.exe	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
2160	420	WerFault.exe	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
3088	420	WerFault.exe	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
3012	420	WerFault.exe	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
2700	420	WerFault.exe	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
1528	420	WerFault.exe	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
1948	420	WerFault.exe	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
4824	420	WerFault.exe	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

cmd.exetaskkill.exeebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1548 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1548 taskkill.exe

pid	process
1548	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1548	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.execmd.exe

description	pid	process	target process
PID 420 wrote to memory of 4708	420	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe	cmd.exe
PID 420 wrote to memory of 4708	420	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe	cmd.exe
PID 420 wrote to memory of 4708	420	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe	cmd.exe
PID 4708 wrote to memory of 1548	4708	cmd.exe	taskkill.exe
PID 4708 wrote to memory of 1548	4708	cmd.exe	taskkill.exe
PID 4708 wrote to memory of 1548	4708	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe
"C:\Users\Admin\AppData\Local\Temp\ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 764
  2⤵
  - Program crash
  PID:3912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 808
  2⤵
  - Program crash
  PID:2160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 856
  2⤵
  - Program crash
  PID:3088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 864
  2⤵
  - Program crash
  PID:3012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 972
  2⤵
  - Program crash
  PID:2700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 1116
  2⤵
  - Program crash
  PID:1528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 1128
  2⤵
  - Program crash
  PID:1948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 1268
  2⤵
  - Program crash
  PID:4824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4708
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1548

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\Local\Microsoft\Windows\INetCache\IE\VSH5XF98\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/420-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/420-2-0x0000000002040000-0x000000000206D000-memory.dmp

Filesize
180KB

Download
memory/420-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/420-8-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/420-11-0x0000000002040000-0x000000000206D000-memory.dmp

Filesize
180KB

Download
memory/420-10-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/420-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/420-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/420-21-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads