Overview
overview
7Static
static
7d42f5093fb...c4.exe
windows7-x64
7d42f5093fb...c4.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
7$PLUGINSDI...ll.dll
windows10-2004-x64
7$_1_/Modules/clc.dll
windows7-x64
1$_1_/Modules/clc.dll
windows10-2004-x64
1$_1_/Modules/crm.dll
windows7-x64
1$_1_/Modules/crm.dll
windows10-2004-x64
1$_1_/Modules/wis.dll
windows7-x64
1$_1_/Modules/wis.dll
windows10-2004-x64
1$_1_/RtHelp.exe
windows7-x64
1$_1_/RtHelp.exe
windows10-2004-x64
1$_1_/msvcp110.dll
windows7-x64
3$_1_/msvcp110.dll
windows10-2004-x64
3$_1_/msvcr110.dll
windows7-x64
3$_1_/msvcr110.dll
windows10-2004-x64
3Modules/7z.dll
windows7-x64
1Modules/7z.dll
windows10-2004-x64
3Modules/cdp.dll
windows7-x64
1Modules/cdp.dll
windows10-2004-x64
1Modules/clc.dll
windows7-x64
1Modules/clc.dll
windows10-2004-x64
1Modules/crm.dll
windows7-x64
1Modules/crm.dll
windows10-2004-x64
1Modules/cus.dll
windows7-x64
1Modules/cus.dll
windows10-2004-x64
1Modules/nls.dll
windows7-x64
3Modules/nls.dll
windows10-2004-x64
3Analysis
-
max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
18-03-2024 18:13
Behavioral task
behavioral1
Sample
d42f5093fb636a98cbfac0ccee8836c4.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d42f5093fb636a98cbfac0ccee8836c4.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/UpdHelper.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/UpdHelper.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/md5dll.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/md5dll.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$_1_/Modules/clc.dll
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
$_1_/Modules/clc.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
$_1_/Modules/crm.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$_1_/Modules/crm.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
$_1_/Modules/wis.dll
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
$_1_/Modules/wis.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
$_1_/RtHelp.exe
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
$_1_/RtHelp.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
$_1_/msvcp110.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
$_1_/msvcp110.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
$_1_/msvcr110.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
$_1_/msvcr110.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
Modules/7z.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
Modules/7z.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
Modules/cdp.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
Modules/cdp.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
Modules/clc.dll
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
Modules/clc.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
Modules/crm.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
Modules/crm.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
Modules/cus.dll
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
Modules/cus.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
Modules/nls.dll
Resource
win7-20231129-en
Behavioral task
behavioral32
Sample
Modules/nls.dll
Resource
win10v2004-20240226-en
General
-
Target
Modules/7z.dll
-
Size
893KB
-
MD5
04ad4b80880b32c94be8d0886482c774
-
SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0
-
SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338
-
SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb
-
SSDEEP
24576:TW+wsDaQw6DDz3qRyPnmGfrnvVUKueY8RmneWtJ:TasY6DwOBfrnvV7UeWt
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2152 1404 WerFault.exe 87 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4608 wrote to memory of 1404 4608 rundll32.exe 87 PID 4608 wrote to memory of 1404 4608 rundll32.exe 87 PID 4608 wrote to memory of 1404 4608 rundll32.exe 87
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\7z.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\7z.dll,#12⤵PID:1404
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 5723⤵
- Program crash
PID:2152
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1404 -ip 14041⤵PID:2256