dridex | 20243d44dc3f30c3acbb48719cce338f57dfcca691fee0c8b08a0ba1104edbbd

General

Target

20243d44dc3f30c3acbb48719cce338f57dfcca691fee0c8b08a0ba1104edbbd.dll
Size

188KB
MD5

f28154a02316826468f774bf710e9682
SHA1

677c3371a22c21bbe7c0c993dc9fcb6124618d95
SHA256

20243d44dc3f30c3acbb48719cce338f57dfcca691fee0c8b08a0ba1104edbbd
SHA512

be95b889619cf32fa6cafa2ba48ad588e8f9c05200b7c6b7a07e76c750ce174e50217ba204fe8ac606650c68b7a1ae2295ec256cd4f1cb315f9a05ad08c31ca0

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

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
behavioral1/memory/1284-4-0x00000000749B0000-0x00000000749E1000-memory.dmp	dridex_ldr
behavioral1/memory/1284-6-0x00000000749B0000-0x00000000749CF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1284 rundll32.exe
8 1284 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
5	1284	rundll32.exe
8	1284	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1864 wrote to memory of 1284	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1284	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1284	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1284	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1284	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1284	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1284	1864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\20243d44dc3f30c3acbb48719cce338f57dfcca691fee0c8b08a0ba1104edbbd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\20243d44dc3f30c3acbb48719cce338f57dfcca691fee0c8b08a0ba1104edbbd.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1284

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/548-7-0x000007FEF7810000-0x000007FEF7A8A000-memory.dmp

Filesize
2.5MB

Download
memory/1284-2-0x0000000000000000-mapping.dmp

Download
memory/1284-3-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1284-4-0x00000000749B0000-0x00000000749E1000-memory.dmp

Filesize
196KB

Download
memory/1284-5-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1284-6-0x00000000749B0000-0x00000000749CF000-memory.dmp

Filesize
124KB

Download

Analysis

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