dridex | 5a483d72e4c55cf489c0a136f865fd77fbf63f25eaefa43db316521c24f650e2

General

Target

1569cdc497d2fa7d36f05f3b28a35652.dll
Size

750KB
MD5

1569cdc497d2fa7d36f05f3b28a35652
SHA1

22200c269d51316a67766924b041c09750eb8fab
SHA256

5a483d72e4c55cf489c0a136f865fd77fbf63f25eaefa43db316521c24f650e2
SHA512

46849a8603e873c529f03fe32aa0443545c1544b4915c12e32bfad87d23cbfebe4230d5d6c69086115d878aae0571be31b06a95ca0f86d7de3dc753619af0bae

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

26 3452 rundll32.exe
28 3452 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
26	3452	rundll32.exe
28	3452	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 2744 wrote to memory of 3452	2744	rundll32.exe	rundll32.exe
PID 2744 wrote to memory of 3452	2744	rundll32.exe	rundll32.exe
PID 2744 wrote to memory of 3452	2744	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1569cdc497d2fa7d36f05f3b28a35652.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1569cdc497d2fa7d36f05f3b28a35652.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3452

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/3452-115-0x0000000000000000-mapping.dmp

Download
memory/3452-116-0x0000000074220000-0x00000000742E9000-memory.dmp

Filesize
804KB

Download
memory/3452-117-0x0000000074220000-0x000000007425D000-memory.dmp

Filesize
244KB

Download
memory/3452-118-0x0000000074220000-0x00000000742E9000-memory.dmp

Filesize
804KB

Download
memory/3452-120-0x00000000034B0000-0x00000000034B1000-memory.dmp

Filesize
4KB

Download
memory/3452-121-0x00000000034B0000-0x00000000034B1000-memory.dmp

Filesize
4KB

Download
memory/3452-122-0x00000000034B0000-0x00000000034B1000-memory.dmp

Filesize
4KB

Download
memory/3452-306-0x00000000033D0000-0x000000000351A000-memory.dmp

Filesize
1.3MB

Download

Analysis

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