4c6fa8e3c0514082d364d995f157d5f4b3d9f2339aed47006eae23fe3025f530

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 07:15

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General

Target

uninst.exe
Size

49KB
MD5

41f7e5a63008dcf37777d36f298896c1
SHA1

b3848df73759c0e3a96c91354212820900d8b35d
SHA256

d1e044e46ddc6e6a9a81690eb9a6594184b4245ab69cd1de7005946eb775f02d
SHA512

dcafd9ebd98b323dc40857c0715d65b7cfc108cad0a5736058c132223976676e0a95a8fe3f58856a58a26813db6c3284b81cf73e34ef76d68a661c3fb97b566c
SSDEEP

768:uh03BWfzcJpdd4jU3eRo8rwV0GfL7rtU7UMt3MBJjwWQDk6X22m7rH:uh03grsyj5Rk0gtUABJ/QPX22O

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4876	A~NSISu_.exe

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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A~NSISu_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral28/files/0x0007000000023540-4.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 4876	1096	uninst.exe	82
PID 1096 wrote to memory of 4876	1096	uninst.exe	82
PID 1096 wrote to memory of 4876	1096	uninst.exe	82

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe
  "C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\A~NSISu_.exe

Filesize
49KB

MD5
41f7e5a63008dcf37777d36f298896c1

SHA1
b3848df73759c0e3a96c91354212820900d8b35d

SHA256
d1e044e46ddc6e6a9a81690eb9a6594184b4245ab69cd1de7005946eb775f02d

SHA512
dcafd9ebd98b323dc40857c0715d65b7cfc108cad0a5736058c132223976676e0a95a8fe3f58856a58a26813db6c3284b81cf73e34ef76d68a661c3fb97b566c

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