Overview
overview
10Static
static
3e6516d2911...ca.exe
windows7-x64
10e6516d2911...ca.exe
windows10-2004-x64
7$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3uninstall.exe
windows7-x64
7uninstall.exe
windows10-2004-x64
7Analysis
-
max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-04-2024 06:13
Static task
static1
Behavioral task
behavioral1
Sample
e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e6516d2911fc3378903b396b1b3ec97ddd497a1e8b974b531b1f140a485d39ca.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
uninstall.exe
Resource
win10v2004-20240412-en
General
-
Target
uninstall.exe
-
Size
57KB
-
MD5
3dd164e1390999df68f79ddb0fb77818
-
SHA1
bd0fb9fff84ca0c89726d6669c32b46482911705
-
SHA256
c7358c274c33377a6aaeab76b13e5eec4f9af598875a59c07951b5ec0bf09e86
-
SHA512
3ffdcfa36bc7f4ef6b028be2942340e3c25e3cf9d5d82953479cc27303ad7ea522a950a10210afe0776a8f12cc459c49fa30607c914b137a38a216dbd50bd28b
-
SSDEEP
1536:UU+dcy3fxBk9UmZHs/hcnBgdLeAyNxHQDqAzk:UNzPHk9MpcBceA5DNzk
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
Un_A.exepid process 2984 Un_A.exe -
Loads dropped DLL 1 IoCs
Processes:
uninstall.exepid process 2100 uninstall.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
NSIS installer 2 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe nsis_installer_1 \Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe nsis_installer_2 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Un_A.exepid process 2984 Un_A.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
uninstall.exedescription pid process target process PID 2100 wrote to memory of 2984 2100 uninstall.exe Un_A.exe PID 2100 wrote to memory of 2984 2100 uninstall.exe Un_A.exe PID 2100 wrote to memory of 2984 2100 uninstall.exe Un_A.exe PID 2100 wrote to memory of 2984 2100 uninstall.exe Un_A.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninstall.exe"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
-
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exeFilesize
57KB
MD53dd164e1390999df68f79ddb0fb77818
SHA1bd0fb9fff84ca0c89726d6669c32b46482911705
SHA256c7358c274c33377a6aaeab76b13e5eec4f9af598875a59c07951b5ec0bf09e86
SHA5123ffdcfa36bc7f4ef6b028be2942340e3c25e3cf9d5d82953479cc27303ad7ea522a950a10210afe0776a8f12cc459c49fa30607c914b137a38a216dbd50bd28b