7fc6667437072cad620b7a531ff8cc39ff8c231832f075a4b8db3137dc629cba

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 08:09

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General

Target

Uninstall.exe
Size

49KB
MD5

c6d317928b22189d530265651ca567a6
SHA1

18998323966353aa148d49dd733c4c79ff222e17
SHA256

ad57c2c999d318db908260079bd10e5cd9684fd5fb9b207d9bfe6bc5c93e377f
SHA512

25e393cca057491435e4b088be8d6b1031ab85aa3a310dad8af0a21b671f065cc850c9c74dbbac84a7fa39e82e5009e707cd521856036d969097eb46b8c94a0d
SSDEEP

1536:DRf1o2Ca7qiagSshdS0D6mJjgdLeAyNLXi:Dpj7EUbD6mJjceA4i

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3192	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 1 IoCs

installer

resource	yara_rule
behavioral24/files/0x00070000000234ca-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 3192	3060	Uninstall.exe	83
PID 3060 wrote to memory of 3192	3060	Uninstall.exe	83
PID 3060 wrote to memory of 3192	3060	Uninstall.exe	83

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:3060
- 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:3192

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
49KB

MD5
c6d317928b22189d530265651ca567a6

SHA1
18998323966353aa148d49dd733c4c79ff222e17

SHA256
ad57c2c999d318db908260079bd10e5cd9684fd5fb9b207d9bfe6bc5c93e377f

SHA512
25e393cca057491435e4b088be8d6b1031ab85aa3a310dad8af0a21b671f065cc850c9c74dbbac84a7fa39e82e5009e707cd521856036d969097eb46b8c94a0d

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