dridex | 6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40

General

Target

6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40.dll
Size

196KB
MD5

4c1f78d8ee48ea5913ccef09b8e48185
SHA1

1e763b37d2d2d07e71b1d7f5e065d208b8f08e56
SHA256

6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40
SHA512

4384700bfa6c173fd12a6174c1522f9955fe573aa273e6bd955476935937b0bfee6cb7d9680fe62381f705da7ab0125c4f74332468b7318fc92662589ce61a64

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/1976-4-0x00000000750D0000-0x0000000075103000-memory.dmp	dridex_ldr
behavioral1/memory/1976-6-0x00000000750D0000-0x00000000750EF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

7 1976 rundll32.exe
9 1976 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
7	1976	rundll32.exe
9	1976	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 1096 wrote to memory of 1976	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1976	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1976	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1976	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1976	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1976	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1976	1096	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1976

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/1440-7-0x000007FEF7AA0000-0x000007FEF7D1A000-memory.dmp

Filesize
2.5MB

Download
memory/1976-2-0x0000000000000000-mapping.dmp

Download
memory/1976-3-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1976-4-0x00000000750D0000-0x0000000075103000-memory.dmp

Filesize
204KB

Download
memory/1976-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1976-6-0x00000000750D0000-0x00000000750EF000-memory.dmp

Filesize
124KB

Download

Analysis

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