Analysis
-
max time kernel
141s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 03:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b120b488d9e15ba792f7e4b43c3cf767.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
-
Target
b120b488d9e15ba792f7e4b43c3cf767.dll
-
Size
188KB
-
MD5
b120b488d9e15ba792f7e4b43c3cf767
-
SHA1
4e780cd86890ac94492dd9bc95a82f5e77e611da
-
SHA256
d8d318abb4daca458340003558695f4fe7a340393e14391e498ce3151d7e5c50
-
SHA512
b684773ed03a9cbac733b325e476dfae76ca70e1ecfce3b7774531f21494d2db7283f9dbb8719990bb91c1f7a67af2ffe2429b30845507599730b6737accc895
-
SSDEEP
3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo:FzIqATVfQeV2FZalKq6jtGJWuTmd
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral1/memory/2200-0-0x00000000750A0000-0x00000000750D0000-memory.dmp dridex_ldr behavioral1/memory/2200-2-0x00000000750A0000-0x00000000750D0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2944 2200 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1544 wrote to memory of 2200 1544 rundll32.exe 28 PID 1544 wrote to memory of 2200 1544 rundll32.exe 28 PID 1544 wrote to memory of 2200 1544 rundll32.exe 28 PID 1544 wrote to memory of 2200 1544 rundll32.exe 28 PID 1544 wrote to memory of 2200 1544 rundll32.exe 28 PID 1544 wrote to memory of 2200 1544 rundll32.exe 28 PID 1544 wrote to memory of 2200 1544 rundll32.exe 28 PID 2200 wrote to memory of 2944 2200 rundll32.exe 29 PID 2200 wrote to memory of 2944 2200 rundll32.exe 29 PID 2200 wrote to memory of 2944 2200 rundll32.exe 29 PID 2200 wrote to memory of 2944 2200 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1544 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 3083⤵
- Program crash
PID:2944
-
-