Overview
overview
10Static
static
3b3bc2b3332...fb.exe
windows7-x64
7b3bc2b3332...fb.exe
windows10-2004-x64
10$PLUGINSDI...ol.dll
windows7-x64
3$PLUGINSDI...ol.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Uninstall.exe
windows7-x64
7Uninstall.exe
windows10-2004-x64
7$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3lzma.exe
windows7-x64
1lzma.exe
windows10-2004-x64
1Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
05/03/2024, 04:04
Static task
static1
Behavioral task
behavioral1
Sample
b3bc2b33320defe98bf6360699b76afb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b3bc2b33320defe98bf6360699b76afb.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/AccessControl.dll
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/AccessControl.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/DcryptDll.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/DcryptDll.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
Uninstall.exe
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
Uninstall.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
lzma.exe
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
lzma.exe
Resource
win10v2004-20240226-en
General
- Target Uninstall.exe
- Size 51KB
- Sample240305-em1p8aef84
- SHA256 4ebdc9cf0c1addadf0070c64424d1792a90006dfa762b6459ddcae813e0c0825
- MD5 e98c4556ea75dbfccb0f7ec340ca3548
- SHA1 d41ffd10b8c5279c0e6273576f8a5855360f0087
- SHA512 8e1c660a9da7c674fbc865b4c7667f3e7c97bf99aff6ca91ba8740f136cfc3c1bd6a3dc1c02432ccb55bb361bb36b62cb985ae7c543bb6c008cebaa9dce215eb
- SSDEEP 1536:wLXB65939tY6HBg4sXJJlitGl1VhurNmvOq0A:wLk395hYXJ7PTu5I7
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2188 Au_.exe - Loads dropped DLL 1 IoCs
pid Process 2188 Au_.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- NSIS installer 2 IoCs
resource yara_rule behavioral18/files/0x000800000002322e-3.dat nsis_installer_1 behavioral18/files/0x000800000002322e-3.dat nsis_installer_2 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4508 wrote to memory of 2188 4508 Uninstall.exe 87 PID 4508 wrote to memory of 2188 4508 Uninstall.exe 87 PID 4508 wrote to memory of 2188 4508 Uninstall.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4508 -
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⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2188
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsn7456.tmp\UAC.dll
- Size 13KB
- SHA256 3a18cf504265ab2267e1545106217767877fa9db6e2b5dd0a3a761dead33a99b
- MD5 07841403d5371183c4eaa5cab50663fb
- SHA1 b0cee6e01502fdd2ee775922051333d626c63906
- SHA512 436c1932d4ff56a11673beac5416ac0f2c7e90e5b993b3b8c8f589069d655da40c3ed514b99291ddf06aad66b0a634896daac19adf459ff791dccf3234af0e05
- SSDEEP 192:sQNEcPshjd/dVaWnYPSZWrR6CM6CjVWsqCDLjJO/FEg98ZH:sQvshxFVaeYPoWH0VWsqCHQ/FEg9w
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
- Size 51KB
- SHA256 4ebdc9cf0c1addadf0070c64424d1792a90006dfa762b6459ddcae813e0c0825
- MD5 e98c4556ea75dbfccb0f7ec340ca3548
- SHA1 d41ffd10b8c5279c0e6273576f8a5855360f0087
- SHA512 8e1c660a9da7c674fbc865b4c7667f3e7c97bf99aff6ca91ba8740f136cfc3c1bd6a3dc1c02432ccb55bb361bb36b62cb985ae7c543bb6c008cebaa9dce215eb
- SSDEEP 1536:wLXB65939tY6HBg4sXJJlitGl1VhurNmvOq0A:wLk395hYXJ7PTu5I7
- MD5 SHA1 SHA512 SSDEEP