Overview
overview
8Static
static
3douyin-dow...KG.exe
windows7-x64
8douyin-dow...KG.exe
windows10-2004-x64
7$PLUGINSDI...ID.dll
windows7-x64
3$PLUGINSDI...ID.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...in.dll
windows7-x64
3$PLUGINSDI...in.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows7-x64
3$PLUGINSDI...7z.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3Analysis
-
max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10/05/2024, 22:04
Static task
static1
Behavioral task
behavioral1
Sample
douyin-downloader-v3.5.1-win32-ia32-douyinlogin-wid-8MfcAHFOdKG.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
douyin-downloader-v3.5.1-win32-ia32-douyinlogin-wid-8MfcAHFOdKG.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/ApplicationID.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/ApplicationID.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win7-20240419-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ThreadTimer.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/ThreadTimer.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win7-20240508-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240419-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240220-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20240508-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win10v2004-20240226-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
23KB
-
MD5
61dbd8a041e5f17d3bd2ad5279f3449d
-
SHA1
7953be26fa396bbb8571edf1c8d87680e33e7d97
-
SHA256
82a6c9a17ad368bcbd45e1705a0b57e3a415acc744d924818ef777e95910a680
-
SHA512
f805ec4587259b4d07c594fa7675571a3ed944bab2eecc877a744e74ac9a43a073543d165d7c94aca14d5c1f083dc8e72ce0beec65e0516a4fc0ae36d5de5069
-
SSDEEP
384:58PJlt70esj0Mt9vn6ay62HQIYiagle9qfvsAM+o/8E9VF0NyMyx:5+qesjRL6Z5Yide1AMxkEjx
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2608 2728 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2856 wrote to memory of 2728 2856 rundll32.exe 28 PID 2856 wrote to memory of 2728 2856 rundll32.exe 28 PID 2856 wrote to memory of 2728 2856 rundll32.exe 28 PID 2856 wrote to memory of 2728 2856 rundll32.exe 28 PID 2856 wrote to memory of 2728 2856 rundll32.exe 28 PID 2856 wrote to memory of 2728 2856 rundll32.exe 28 PID 2856 wrote to memory of 2728 2856 rundll32.exe 28 PID 2728 wrote to memory of 2608 2728 rundll32.exe 29 PID 2728 wrote to memory of 2608 2728 rundll32.exe 29 PID 2728 wrote to memory of 2608 2728 rundll32.exe 29 PID 2728 wrote to memory of 2608 2728 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 2203⤵
- Program crash
PID:2608
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