e27a3a7f8a32f3cd4b44719a6857152efbf049a59868eebd70243218f51787d6

Analysis

max time kernel
94s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 07:02

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General

Target

Uninst.exe
Size

63KB
MD5

d6419e34a99e745dabc01cf01703ab84
SHA1

8692c46710b7747d9b8a9963169b516c14240746
SHA256

bcb0c0a9aab27acb10a4f7cb7e29e0937e72177446fa886a72d5095f723672de
SHA512

4b0b288fccb1c58be18a94fa5cb9588b44fb836f49e950ba6dd5f5db0a3a30e6b8d3ed71eb2c7ffe332873607bdaedb117eb75686030598ab2475231597807ea
SSDEEP

1536:PLXB65939tY6HBg4sXJ6jkzrE/1s2SXiMl5Dovxj+hb:PLk395hYXJLE9s2giM0vxj+hb

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2292	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2292	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2292	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	Uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral14/files/0x000700000002348a-3.dat	nsis_installer_1
behavioral14/files/0x000700000002348a-3.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2292	Au_.exe
2292	Au_.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 2292	4712	Uninst.exe	83
PID 4712 wrote to memory of 2292	4712	Uninst.exe	83
PID 4712 wrote to memory of 2292	4712	Uninst.exe	83

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:4712
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2292

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\nsa93C5.tmp\Processes.dll

Filesize
35KB

MD5
2cfba79d485cf441c646dd40d82490fc

SHA1
83e51ac1115a50986ed456bd18729653018b9619

SHA256
86b302fa9c85dfa0c1c03ba000864a928365dab571f3355347dba02da22949b7

SHA512
cca186a7f9c5cff3f4eca410fbe8cc13dad2514a7e36aec9b1addfbcb239ace9b9b2d8427771858e3fd11783abce7e24d43c286f98da9f8b17562ca095a4c043

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

Filesize
63KB

MD5
d6419e34a99e745dabc01cf01703ab84

SHA1
8692c46710b7747d9b8a9963169b516c14240746

SHA256
bcb0c0a9aab27acb10a4f7cb7e29e0937e72177446fa886a72d5095f723672de

SHA512
4b0b288fccb1c58be18a94fa5cb9588b44fb836f49e950ba6dd5f5db0a3a30e6b8d3ed71eb2c7ffe332873607bdaedb117eb75686030598ab2475231597807ea

Download Submit