gcleaner | 589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e

Analysis

max time kernel
30s
max time network
34s
platform
windows7_x64
resource
win7-20230705-en
resource tags

arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
submitted
07/07/2023, 03:38

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General

Target

589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe
Size

304KB
MD5

b59c8093621b9d5b5ad1905fab5aee00
SHA1

e36627f6faaee192a2ab8f4d6e7ccad03409e306
SHA256

589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e
SHA512

8e6ded0e24a587bd10c91ca62dd52e0f0418207484a32c407ce625c6e3af7d0963dc728caeec153c79a94e6be07d4bd4edd8c3bb4e4e6ed20fab5d4a84e8bc72
SSDEEP

6144:i083LPjsNIaUNNsEdX/k5+qgRxx4xwdmJLaTZoA:N837js+bjX4SD4i0KKA

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Signatures

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

Deletes itself 1 IoCs

pid	Process
992	cmd.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2932	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 992	2144	589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe	28
PID 2144 wrote to memory of 992	2144	589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe	28
PID 2144 wrote to memory of 992	2144	589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe	28
PID 2144 wrote to memory of 992	2144	589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe	28
PID 992 wrote to memory of 2932	992	cmd.exe	30
PID 992 wrote to memory of 2932	992	cmd.exe	30
PID 992 wrote to memory of 2932	992	cmd.exe	30
PID 992 wrote to memory of 2932	992	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe
"C:\Users\Admin\AppData\Local\Temp\589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:992
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "589f9841822ba66abe4cf94fc3f104307d13014de6d3ed4bc507873fe0653e2e.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2144-55-0x0000000000230000-0x0000000000270000-memory.dmp

Filesize
256KB

Download
memory/2144-57-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2144-58-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download