dridex | bee7050122d0f8521a11ee7f2e63c70007b217b7558a49629f7a6450a447b74a

Analysis

max time kernel
72s
max time network
13s
platform
windows7_x64
resource
win7-en-20210920
submitted
13-10-2021 15:08

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General

Target

9_shlwapi.dll
Size

180KB
MD5

4e883f7247e1ef95ab0cfc974a5d3b88
SHA1

99049f145d976731e946f70adc70cb243ca93fc9
SHA256

653aa17fbf6949e5bdba2599a9a3df4bb8ec259a5cf0eb7c3b08b6813c4283e7
SHA512

fe9adaa182a3823b79fabfda0f1530c8147b04af39fd0f9e4974033393b8689c506ce75d2fc3b6add28f09c78b9b0873cd0755ba353ffe38760eeadc4bb00660

Score

10^/10

dridex 22202 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22202

178.62.205.130:443

45.90.108.123:13786

198.199.98.78:9217

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral3/memory/2024-56-0x0000000074B30000-0x0000000074B5F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

672 2024 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

672 WerFault.exe
672 WerFault.exe
672 WerFault.exe
672 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 672 WerFault.exe

pid	pid_target	process	target process
672	2024	WerFault.exe	rundll32.exe

pid	process
672	WerFault.exe
672	WerFault.exe
672	WerFault.exe
672	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	672	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1120 wrote to memory of 2024	1120	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 2024	1120	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 2024	1120	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 2024	1120	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 2024	1120	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 2024	1120	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 2024	1120	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 672	2024	rundll32.exe	WerFault.exe
PID 2024 wrote to memory of 672	2024	rundll32.exe	WerFault.exe
PID 2024 wrote to memory of 672	2024	rundll32.exe	WerFault.exe
PID 2024 wrote to memory of 672	2024	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9_shlwapi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9_shlwapi.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 252
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:672

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/672-59-0x0000000000000000-mapping.dmp

Download
memory/672-60-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2024-54-0x0000000000000000-mapping.dmp

Download
memory/2024-55-0x0000000075C11000-0x0000000075C13000-memory.dmp

Filesize
8KB

Download
memory/2024-56-0x0000000074B30000-0x0000000074B5F000-memory.dmp

Filesize
188KB

Download
memory/2024-58-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download