41a257697a885b0a672e9ad927c5ba25ef844c4adc5c2d814438b4ab86807874

Analysis

max time kernel
138s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 13:06

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General

Target

Uninstall.exe
Size

49KB
MD5

fb6a6c919f4ca52e4cfc4c0e9ce73c2a
SHA1

d22aa88b73273ac7afe7e53533021cee6627e4e5
SHA256

61915345a9bed206b70da47bf4078e2e298132fa301c3bb5e11ad6a432dabef2
SHA512

98b15cc055ed4df92b9143382ad5cccf6edcaa29c44f63ea385ee3e98d8fb8765d5f05fc31c2d015364834db2797203f569186782594dbb21cfbca539d94d334
SSDEEP

768:Mw0D3T2XQW0dcyngqR8lWFYCPMfjABHD2tAJb5PAAIYHLLE8J3+eJRn5Am6kRRJL:Mw0DsT0zikYCPMUxDRbw8JuqAELVigB1

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4716	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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A~NSISu_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral6/files/0x0009000000023452-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 4716	3764	Uninstall.exe	83
PID 3764 wrote to memory of 4716	3764	Uninstall.exe	83
PID 3764 wrote to memory of 4716	3764	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:3764
- 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:4716

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
fb6a6c919f4ca52e4cfc4c0e9ce73c2a

SHA1
d22aa88b73273ac7afe7e53533021cee6627e4e5

SHA256
61915345a9bed206b70da47bf4078e2e298132fa301c3bb5e11ad6a432dabef2

SHA512
98b15cc055ed4df92b9143382ad5cccf6edcaa29c44f63ea385ee3e98d8fb8765d5f05fc31c2d015364834db2797203f569186782594dbb21cfbca539d94d334

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