gcleaner | ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 23:17

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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

80.66.75.114

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Deletes itself 1 IoCs

pid	Process
2644	cmd.exe

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

System Information Discovery
T1082

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

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

Kills process with taskkill 1 IoCs

evasion

pid	Process
2836	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2644	3060	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe	32
PID 3060 wrote to memory of 2644	3060	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe	32
PID 3060 wrote to memory of 2644	3060	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe	32
PID 3060 wrote to memory of 2644	3060	ebccc88a6758ad9729b960ae3ca4ea73eae9f47f14eee41058e20f15c2f94b23.exe	32
PID 2644 wrote to memory of 2836	2644	cmd.exe	34
PID 2644 wrote to memory of 2836	2644	cmd.exe	34
PID 2644 wrote to memory of 2836	2644	cmd.exe	34
PID 2644 wrote to memory of 2836	2644	cmd.exe	34

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:3060
- 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⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\D6V88JEY\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3060-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/3060-3-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/3060-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-8-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/3060-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-9-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/3060-20-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/3060-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-22-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download