dridex | 0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db

General

Target

0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db.dll
Size

196KB
MD5

9c70441bf36878a3206b9d024bb7f9fb
SHA1

033fe35e3ab0bd7f4d537c0558ebbe27712ce7f1
SHA256

0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db
SHA512

de9d06bf2a0b8215145535fac5c4f0eddf24c1102f6ee3c0ff34d49b1a34c555108bd10603c5fbb2499c9c93e345fb1556b7e9cd987d8932806fbf7e6ddd70ca

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

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/1660-4-0x0000000074920000-0x0000000074953000-memory.dmp	dridex_ldr
behavioral1/memory/1660-6-0x0000000074920000-0x000000007493F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1660 rundll32.exe
7 1660 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	1660	rundll32.exe
7	1660	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 1152 wrote to memory of 1660	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1660	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1660	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1660	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1660	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1660	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1660	1152	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1660

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/1636-7-0x000007FEF72E0000-0x000007FEF755A000-memory.dmp

Filesize
2.5MB

Download
memory/1660-2-0x0000000000000000-mapping.dmp

Download
memory/1660-3-0x00000000760C1000-0x00000000760C3000-memory.dmp

Filesize
8KB

Download
memory/1660-4-0x0000000074920000-0x0000000074953000-memory.dmp

Filesize
204KB

Download
memory/1660-5-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/1660-6-0x0000000074920000-0x000000007493F000-memory.dmp

Filesize
124KB

Download

Analysis

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