Behavioral Report

Analysis

max time kernel
77s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2022 06:42

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Report Files Registry Network Processes Mutex Misc

General

Target

975dc7061e68f49f1076380ab533d07414a4c4de75ce8ba12c769881c5f619c5.dll
Size

244KB
MD5

4500ca23b2d000eabda4796a08625d70
SHA1

50f9189d0213b6949e113d948b0f293933f85ba4
SHA256

975dc7061e68f49f1076380ab533d07414a4c4de75ce8ba12c769881c5f619c5
SHA512

975f178dcce898a13c8eac97c99280ad9e2b2964df04017120b55cc5b705b6a6417109f8a137006912001bde90b53d17630106c40751ae713df7fc08ef50f738
SSDEEP

3072:BmMHLYjs2g+ciAlYDyOWIsh0pMf+66C4FxTdCU1byGkGcyXDTEzlDkr/:BrHL+tg+cGyZzheB6b4fJCwb8d0E

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family	dridex
Botnet	22201
C2	195.154.146.84:443 45.56.121.87:8116 157.245.222.44:5723 195.154.146.84:443 45.56.121.87:8116 157.245.222.44:5723
rc4.plain
rc4.plain

Signatures

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

Dridex Loader ⋅ 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/3256-138-0x0000000075740000-0x000000007576F000-memory.dmp	dridex_ldr
behavioral2/memory/3256-139-0x0000000075740000-0x000000007577E000-memory.dmp	dridex_ldr

Program crash ⋅ 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4592 3256 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4592	3256	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory ⋅ 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4652 wrote to memory of 3256	4652	rundll32.exe	rundll32.exe
PID 4652 wrote to memory of 3256	4652	rundll32.exe	rundll32.exe
PID 4652 wrote to memory of 3256	4652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\975dc7061e68f49f1076380ab533d07414a4c4de75ce8ba12c769881c5f619c5.dll,#1

Suspicious use of WriteProcessMemory

PID:4652

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\975dc7061e68f49f1076380ab533d07414a4c4de75ce8ba12c769881c5f619c5.dll,#1

PID:3256

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 620

Program crash

PID:4592

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3256 -ip 3256

PID:3728

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Discovery

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

memory/3256-132-0x0000000000000000-mapping.dmp

Download
memory/3256-133-0x0000000075740000-0x000000007577E000-memory.dmp

Download
memory/3256-137-0x00000000002E0000-0x00000000002E6000-memory.dmp

Download
memory/3256-138-0x0000000075740000-0x000000007576F000-memory.dmp

Download
memory/3256-139-0x0000000075740000-0x000000007577E000-memory.dmp

Download
memory/3256-140-0x00000000007A0000-0x00000000007A6000-memory.dmp

Download