0f2df6e1548be0f53cf80c981571eff63ca5ec9944e2d3d10f502d25e0e3a73d

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 04:15

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General

Target

uninstall.exe
Size

65KB
MD5

9192795afd65040a78c435981b7c8daa
SHA1

bbf2379ccdfb6e0f3f06a3d14c6e2765e817e4aa
SHA256

f53d7d2f310c4da7e2069fa912e9087054af6a7f6d35e58435c243458230cd12
SHA512

ea928c3bc5040e3e62405de7f2dcb64b15c4f0aef0ac368a071c1ab6b9c740ac4a450c725860536014a6ca0b705d86960546385bbeb65c3b780f31d6b4dd5ffa
SSDEEP

1536:VpgpHzb9dZVX9fHMvG0D3XJzYRN6QcIZgxIH9:HgXdZt9P6D3XJzqSxId

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
464	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
behavioral20/files/0x00070000000234c7-4.dat	nsis_installer_1
behavioral20/files/0x00070000000234c7-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 464	3044	uninstall.exe	86
PID 3044 wrote to memory of 464	3044	uninstall.exe	86
PID 3044 wrote to memory of 464	3044	uninstall.exe	86

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:3044
- 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:464

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
65KB

MD5
9192795afd65040a78c435981b7c8daa

SHA1
bbf2379ccdfb6e0f3f06a3d14c6e2765e817e4aa

SHA256
f53d7d2f310c4da7e2069fa912e9087054af6a7f6d35e58435c243458230cd12

SHA512
ea928c3bc5040e3e62405de7f2dcb64b15c4f0aef0ac368a071c1ab6b9c740ac4a450c725860536014a6ca0b705d86960546385bbeb65c3b780f31d6b4dd5ffa

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