46a03cade194633647cd45ec63bc74d3f2e596d473fba5e4db7a49fa0fd7818b

Analysis

max time kernel
140s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 03:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$0/uninstall.exe
Size

78KB
MD5

32aafb368a32ee3371bd2847ccebfbc5
SHA1

54b8404ab617f8e86ca6e976c3b21f756a3ce75f
SHA256

50073a83b4c4d28feb5b70b712dc62dcce7e5f50238f097f411391f99471611f
SHA512

809853c8c0d011886b52095ed8f33ba26bab446f04c6d2cd9792e937a424cf2861954fc964eba89886142d0808d1de88e6e2f9e6690c95a744c5c9afbdb58e85
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJCBFcpNJ/dhYqqLxJ2/D3:8kjAJ4dDGkJ+AI0ozJ/dOq5/j

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2244	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2244	Au_.exe
2244	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
behavioral8/files/0x00090000000234c9-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 2244	4872	uninstall.exe	84
PID 4872 wrote to memory of 2244	4872	uninstall.exe	84
PID 4872 wrote to memory of 2244	4872	uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4872
- 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\$0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2244

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsgBC1D.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsgBC1D.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsgBC1D.tmp\ioSpecial.ini

Filesize
697B

MD5
c51fa63bb5a642ab722488a2582235d4

SHA1
787d45d53f91e7f0347882ba34aa0760bb7ef616

SHA256
d933ba5dc30ea582af88aa88b77f2a59ac3df939edb5e6364a0cd32ef07a24f5

SHA512
41ef0d75d149ec7f79eeb3766c333cff279fdc90fdf7a39c79ddd83a650478ab37e82894ee9a9c1b861c143ff8f0a884f23f8622e45e7cd512b9b0ca1870227d

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

Filesize
78KB

MD5
32aafb368a32ee3371bd2847ccebfbc5

SHA1
54b8404ab617f8e86ca6e976c3b21f756a3ce75f

SHA256
50073a83b4c4d28feb5b70b712dc62dcce7e5f50238f097f411391f99471611f

SHA512
809853c8c0d011886b52095ed8f33ba26bab446f04c6d2cd9792e937a424cf2861954fc964eba89886142d0808d1de88e6e2f9e6690c95a744c5c9afbdb58e85

Download Submit