dridex | 01f34bfa8de12cc45df526d37216f9db733796e353d2b0c049c1491a48092b4a

Analysis

max time kernel
41s
max time network
76s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 21:27

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General

Target

01f34bfa8de12cc45df526d37216f9db733796e353d2b0c049c1491a48092b4a.dll
Size

162KB
MD5

37e0f875a9787e862cfd14dedbc88235
SHA1

8d773830992a63dc6d14742b3fa03236a8d9ffc4
SHA256

01f34bfa8de12cc45df526d37216f9db733796e353d2b0c049c1491a48092b4a
SHA512

7b585eb0486a5a68bf441a9648e80811c2db29396922d0fba06cec60262075aaf24ab62d72cd0d162ba9ae121abb4a9bc15afbacb7bef7f0a359ef1c52415b31

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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
behavioral1/memory/1004-115-0x0000000074310000-0x000000007433E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 636 wrote to memory of 1004	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1004	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1004	636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\01f34bfa8de12cc45df526d37216f9db733796e353d2b0c049c1491a48092b4a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\01f34bfa8de12cc45df526d37216f9db733796e353d2b0c049c1491a48092b4a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1004

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1004-114-0x0000000000000000-mapping.dmp

Download
memory/1004-115-0x0000000074310000-0x000000007433E000-memory.dmp

Filesize
184KB

Download
memory/1004-117-0x0000000000900000-0x0000000000A4A000-memory.dmp

Filesize
1.3MB

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