cea04b7b70e782a4affd7ab3c121a33fd0dc63c727d39cc04f89327a45a612e0

Analysis

max time kernel
430s
max time network
443s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 21:25

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General

Target

Uninstall.exe
Size

157KB
MD5

1024712976464900cedcaf6eeee10d2d
SHA1

7a32cfb3da4f9f381274ca867f5d5134d30b982b
SHA256

98053320c09e50672d19be20526a12eeb42543b5d9341e2824e672fb494aba40
SHA512

923af4b868ea2f838add7e16f6bc4d12b0cd45eda6bc6058edac0b1d0257703d0c44cf229195112f635890ff5aeabfcdf52e1e605dd7d0dd3ad0f554443aa669
SSDEEP

1536:PpgpHzb9dZVX9fHMvG0D3XJBgBLIAIKS/x3UVIuQnLf2/:xgXdZt9P6D3XJBIIAqx3yI7O/

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4616	Au_.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 2 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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral10/files/0x000a0000000233d2-3.dat	nsis_installer_1
behavioral10/files/0x000a0000000233d2-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 4616	1972	Uninstall.exe	84
PID 1972 wrote to memory of 4616	1972	Uninstall.exe	84
PID 1972 wrote to memory of 4616	1972	Uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4616

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
157KB

MD5
1024712976464900cedcaf6eeee10d2d

SHA1
7a32cfb3da4f9f381274ca867f5d5134d30b982b

SHA256
98053320c09e50672d19be20526a12eeb42543b5d9341e2824e672fb494aba40

SHA512
923af4b868ea2f838add7e16f6bc4d12b0cd45eda6bc6058edac0b1d0257703d0c44cf229195112f635890ff5aeabfcdf52e1e605dd7d0dd3ad0f554443aa669

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