Overview
overview
10Static
static
3caa1e28ce7...3N.exe
windows7-x64
10caa1e28ce7...3N.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.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
3features13...5.html
windows7-x64
3features13...5.html
windows10-2004-x64
3help1852830420.html
windows7-x64
3help1852830420.html
windows10-2004-x64
3uninst.exe
windows7-x64
7uninst.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.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
3us4-api.html
windows7-x64
3us4-api.html
windows10-2004-x64
1Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
30-09-2024 09:30
Static task
static1
Behavioral task
behavioral1
Sample
caa1e28ce7dd5960e3dd91f327484e0a3f5da6493b6536617659caf94c54e583N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
caa1e28ce7dd5960e3dd91f327484e0a3f5da6493b6536617659caf94c54e583N.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
features1395955115.html
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
features1395955115.html
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
help1852830420.html
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
help1852830420.html
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
uninst.exe
Resource
win7-20240729-en
Behavioral task
behavioral14
Sample
uninst.exe
Resource
win10v2004-20240910-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
us4-api.html
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
us4-api.html
Resource
win10v2004-20240802-en
General
-
Target
uninst.exe
-
Size
76KB
-
MD5
ccbddf9548a855dcd00098e2df712d49
-
SHA1
cc15fcc786305b2b485abcf446cfccec588c4ecf
-
SHA256
335bf51b6a580010dd0a1c8c69f6a663c65ee92f7d7b2cb4681b11f61d94d699
-
SHA512
c23194c6f1108eb12122ae4df38ef28409baa9a552b97b6deb28c02a9b6950a004d32747af2bfe5ed8e5028dcdf24ed26b93f5d584eb53ef111642444ab57b6d
-
SSDEEP
1536:ujoUxZbE+HOI66qkryz9zIAg0ercMpP1D3UNPMOIf:udxNE+Hb+eyz9zIApkyPAf
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2388 Au_.exe -
Loads dropped DLL 3 IoCs
pid Process 304 uninst.exe 2388 Au_.exe 2388 Au_.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
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 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2388 Au_.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 304 wrote to memory of 2388 304 uninst.exe 31 PID 304 wrote to memory of 2388 304 uninst.exe 31 PID 304 wrote to memory of 2388 304 uninst.exe 31 PID 304 wrote to memory of 2388 304 uninst.exe 31 PID 304 wrote to memory of 2388 304 uninst.exe 31 PID 304 wrote to memory of 2388 304 uninst.exe 31 PID 304 wrote to memory of 2388 304 uninst.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninst.exe"C:\Users\Admin\AppData\Local\Temp\uninst.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:304 -
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
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:2388
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
11KB
MD53e6bf00b3ac976122f982ae2aadb1c51
SHA1caab188f7fdc84d3fdcb2922edeeb5ed576bd31d
SHA2564ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe
SHA5121286f05e6a7e6b691f6e479638e7179897598e171b52eb3a3dc0e830415251069d29416b6d1ffc6d7dce8da5625e1479be06db9b7179e7776659c5c1ad6aa706
-
Filesize
9KB
MD5dbdbf4017ff91c9de328697b5fd2e10a
SHA1b597a5e9a8a0b252770933feed51169b5060a09f
SHA256be60a00f32924ccbe03f9914e33b8e1ad8c8a1ca442263a69896efba74925b36
SHA5123befc15aab0a5dbe7fde96155b0499d385f2799b1a2d47ce04f37b5804006b1c6c4fff93d3cedb56a2a8172b23752b6f9dc6168cfce3596b91def3247836cf10
-
Filesize
76KB
MD5ccbddf9548a855dcd00098e2df712d49
SHA1cc15fcc786305b2b485abcf446cfccec588c4ecf
SHA256335bf51b6a580010dd0a1c8c69f6a663c65ee92f7d7b2cb4681b11f61d94d699
SHA512c23194c6f1108eb12122ae4df38ef28409baa9a552b97b6deb28c02a9b6950a004d32747af2bfe5ed8e5028dcdf24ed26b93f5d584eb53ef111642444ab57b6d