0da9b669104c0180d9b12356363b172c25b75139c83acf3f48c5616fb49c5cc1

Analysis

max time kernel
96s
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
08/09/2024, 23:16

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
$0/uninstall.exe
Size 78KB
Sample240908-29knvasglb
SHA256 b9e4113b0e3e5cd78f847b5ff5fd3dd8ee18edee6f7c01310d8c7ea14d14e1ad
MD5 19c84ed7c64b913e1ee81f43027632dc
SHA1 f5cf54cf9791b6c63aa7d93a91bc8336b0130338
SHA512 4f6986c648dc8f1a8547c986db0d791ad774317004e5f5041cfd14ebd2d6953f021a3b0c529eb172df2f616e450c750eafeb183d5fcd1f35077b5f7f89fc02a6
SSDEEP 1536:PEkjY1zy214Qay0DGkJ7qAELVigJgFJTCcpDCxH9TplS1N/RA2/DK:8kjAJ4dDGkJ+AI0xFJTDuH9TpAN/RX/+
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4612	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
4612	Au_.exe
4612	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/0x00070000000234ef-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 4612	2496	uninstall.exe	85
PID 2496 wrote to memory of 4612	2496	uninstall.exe	85
PID 2496 wrote to memory of 4612	2496	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:2496
- 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:4612

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

InstallOptions.dll

Path C:\Users\Admin\AppData\Local\Temp\nsqA25B.tmp\InstallOptions.dll
Size 13KB
SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
MD5 d765c492c21689e3d9d61634371fd861
SHA1 ac200933671ae52c9d5544d0e2e8e9144d286c83
SHA512 9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f
SSDEEP 192:9B6RvrfvOuJQDghBy/X7QKq3TLGciZJf0EzWzMnz6WoF1dBs:v6RrviWaX7eiZJ7nz6bB
MD5 SHA1 SHA512 SSDEEP

Submit Download

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsqA25B.tmp\System.dll
Size 10KB
SHA256 802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd
MD5 fe24766ba314f620d57d0cf7339103c0
SHA1 8641545f03f03ff07485d6ec4d7b41cbb898c269
SHA512 60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3
SSDEEP 192:rO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1aMBgMO:yKAFERdlxhGRYUzqZaMB
MD5 SHA1 SHA512 SSDEEP

Submit Download

ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nsqA25B.tmp\ioSpecial.ini
Size 613B
SHA256 8bd7dbcba10ecfe654b9a72bf08bd51b3b4fbf9eaf532a8531eb1255eec4ae24
MD5 4407076607effd967110da96f81a1b33
SHA1 a27c99921b956a015854bd4c404f597b76d1824b
SHA512 8074a35aff9d8bdb6bc7a9bf024bd29d31133a00256a56cb8b911d1cfcb741801aa8ec4726768582ef97c03ee9304ec5237547d0cb30144a10156f0115de8f8b
MD5 SHA1 SHA512

Submit Download

Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 78KB
SHA256 b9e4113b0e3e5cd78f847b5ff5fd3dd8ee18edee6f7c01310d8c7ea14d14e1ad
MD5 19c84ed7c64b913e1ee81f43027632dc
SHA1 f5cf54cf9791b6c63aa7d93a91bc8336b0130338
SHA512 4f6986c648dc8f1a8547c986db0d791ad774317004e5f5041cfd14ebd2d6953f021a3b0c529eb172df2f616e450c750eafeb183d5fcd1f35077b5f7f89fc02a6
SSDEEP 1536:PEkjY1zy214Qay0DGkJ7qAELVigJgFJTCcpDCxH9TplS1N/RA2/DK:8kjAJ4dDGkJ+AI0xFJTDuH9TpAN/RX/+
MD5 SHA1 SHA512 SSDEEP

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads