c20701054847a71502c1d74caa4f9e35f13a4f9b06117b6392466d9058897368

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 02:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$0/uninstall.exe
Size

83KB
MD5

6d05b9e964800ae5688b307e16164b9b
SHA1

d0f409d8d5ed5d8adb02d07953d1833828f18658
SHA256

96c63143b6545c89a3f09496d5f87ce038a304aa749c4a14133f7005b5511ce3
SHA512

2ebb7f6755e20637e364ceeb367b73ab5bb1c95a639588104ae1d3bb09b1b95e957cf98eda9862b9f0711a5c8b1242f18987d9c34004207aa28f2a4e7a5e856d
SSDEEP

1536:AEkjY1zy214Qay0DGkJ7qAELVigJCmLKV5cpX5Ckrf2/DQ:vkjAJ4dDGkJ+AI0/mLKsJ5rO/

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2900	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2900	Au_.exe
2900	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	Au_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral8/files/0x00080000000234de-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 2900	1440	uninstall.exe	85
PID 1440 wrote to memory of 2900	1440	uninstall.exe	85
PID 1440 wrote to memory of 2900	1440	uninstall.exe	85

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:1440
- 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:2900

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\nsc9991.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsc9991.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsc9991.tmp\ioSpecial.ini

Filesize
635B

MD5
101b23e903f4a7296ae3bf7b1e867889

SHA1
38863adb38352ce316c977320bcd97810b4d0eff

SHA256
febad8598359f8af1400983cce7e6b51e7fc22b8c3346fe912788c955e11a584

SHA512
c6e27fef6cca3aa2882c021849b3ba501742490937113b3e60cfb82afd00eef71f7aa4cdc9ac0afa67e63cc72d96daf989e5acd9765d3394aa82fc7fb6c03e44

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsc9991.tmp\ioSpecial.ini

Filesize
648B

MD5
ba2602ebd9c537df95089d6e9e0f3363

SHA1
0bb32fc7d3f2363415328bff11a539fe100e3192

SHA256
8e3b12b4d2a0728520c4acc4f6d045b8a21f1b933fe381cc2773b884194517a0

SHA512
c8618d78e59dc2dfcfdcd8c9f8e73dc9d1e8b44497adf2b41106c030c1e73cb1b8f11eeafdbacf5d7f354e4dfca2fdf0000c70bee1dbd2dace8bc71f0ada7bb1

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

Filesize
83KB

MD5
6d05b9e964800ae5688b307e16164b9b

SHA1
d0f409d8d5ed5d8adb02d07953d1833828f18658

SHA256
96c63143b6545c89a3f09496d5f87ce038a304aa749c4a14133f7005b5511ce3

SHA512
2ebb7f6755e20637e364ceeb367b73ab5bb1c95a639588104ae1d3bb09b1b95e957cf98eda9862b9f0711a5c8b1242f18987d9c34004207aa28f2a4e7a5e856d

Download Submit