91b58b58645401d748ffbca177d56f705ddd981b79ff1758c7666590beaa228e

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 20:25

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General

Target

$_3_/lang/$_3_/uninst.exe
Size

53KB
MD5

5e10579833b961c744d22bba1f4bfd48
SHA1

99eb27719ab9e7d77ab23a69cd50d024136b1ac3
SHA256

f7291904d1b405d92afebecf1592554170feca1796d48d8ecf136cb4d243917e
SHA512

3cfcc83a328b34c9ca81ba9450046cb6bcbc9bbd11b469db5d7cb35323a42a56d41875c6a8f6d4d2d31c6a44bab7e5cc2086fa9a8056465db89d1dcad785c47c
SSDEEP

768:UMEFP4CyxRyQR4Dk1b+/JwwXVPYwitff/ff6FS6sekJfxGsz35A+TO5njpJGe0Y4:ePJc2WCMNv0kJfQ45AoO1rGe0YvQ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2552	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2552	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 1 IoCs

installer

resource	yara_rule
behavioral28/files/0x00080000000234e3-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 2552	4996	uninst.exe	84
PID 4996 wrote to memory of 2552	4996	uninst.exe	84
PID 4996 wrote to memory of 2552	4996	uninst.exe	84

C:\Users\Admin\AppData\Local\Temp\$_3_\lang\$_3_\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\$_3_\lang\$_3_\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996
- 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\$_3_\lang\$_3_\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2552

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\nsy81E3.tmp\nsSCM.dll

Filesize
5KB

MD5
62efa7b730eb0523a026ea4325403b77

SHA1
806ed3bd677ccf5d9817c9b464015e347f2c8f3c

SHA256
0b96456e8cf6b3e582388d3e530c73ce9121974381d51e5a21cd945c75fd2a38

SHA512
748237582e1c25655cf512ec6b1a2f9ad59b3a0da2c3cada535f202dcc66e068ab3bb3be34016f944a4a4fae71a16aea12f9725fe9f679b3fd1073639e31033b

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

Filesize
53KB

MD5
5e10579833b961c744d22bba1f4bfd48

SHA1
99eb27719ab9e7d77ab23a69cd50d024136b1ac3

SHA256
f7291904d1b405d92afebecf1592554170feca1796d48d8ecf136cb4d243917e

SHA512
3cfcc83a328b34c9ca81ba9450046cb6bcbc9bbd11b469db5d7cb35323a42a56d41875c6a8f6d4d2d31c6a44bab7e5cc2086fa9a8056465db89d1dcad785c47c

Download Submit