Analysis
- max time kernel
140s - max time network
121s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
06/03/2024, 00:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b61985148cc258c8c85a62ed365acc3b.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
- Target b61985148cc258c8c85a62ed365acc3b.dll
- Size 188KB
- Sample240306-a8vc4sec9v
- SHA256 8d01648c16d0c8147b5b10f5d3b596840b651ecaabde6ac8e91eaad700b8850f
- MD5 b61985148cc258c8c85a62ed365acc3b
- SHA1 e6908e4e95e07819a95ddc627d12bfa5851dbc4e
- SHA512 216bda8dc33d4298dbec62034e82dd79ea8580e7a1105e7cee19fd540c15a050803a7440b8cf2adf9c1833423de9d74c3d049689402aca0958f3bced968de977
- SSDEEP 3072:XA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoSo:XzIqATVfQeV2FZalKq6jtGJWuTmd
- MD5 SHA1 SHA512 SSDEEP
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/2848-0-0x0000000075200000-0x0000000075230000-memory.dmp dridex_ldr behavioral1/memory/2848-2-0x0000000075200000-0x0000000075230000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 2592 2848 WerFault.exe 28 - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1540 wrote to memory of 2848 1540 rundll32.exe 28 PID 1540 wrote to memory of 2848 1540 rundll32.exe 28 PID 1540 wrote to memory of 2848 1540 rundll32.exe 28 PID 1540 wrote to memory of 2848 1540 rundll32.exe 28 PID 1540 wrote to memory of 2848 1540 rundll32.exe 28 PID 1540 wrote to memory of 2848 1540 rundll32.exe 28 PID 1540 wrote to memory of 2848 1540 rundll32.exe 28 PID 2848 wrote to memory of 2592 2848 rundll32.exe 29 PID 2848 wrote to memory of 2592 2848 rundll32.exe 29 PID 2848 wrote to memory of 2592 2848 rundll32.exe 29 PID 2848 wrote to memory of 2592 2848 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b61985148cc258c8c85a62ed365acc3b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b61985148cc258c8c85a62ed365acc3b.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 3083⤵
- Program crash
PID:2592
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