dridex | d63beded771ab4503b39115c909eeda74d2209b2f1b7be04e96dda874abc496f

General

Target

d63beded771ab4503b39115c909eeda74d2209b2f1b7be04e96dda874abc496f.dll
Size

196KB
MD5

9461f52330a1162b01b978bfef3eb843
SHA1

1132985644280b821bbf14b727cab6a602a371a0
SHA256

d63beded771ab4503b39115c909eeda74d2209b2f1b7be04e96dda874abc496f
SHA512

eaaedbc65b766656e35f5c47a3bcc9119ef2f483f7fa8e4ad18948e3e69de907605081b3cdb5bc688606482279837447d3b0e04bd94e0349d71d0033a2c9f647

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/1256-4-0x00000000748E0000-0x0000000074913000-memory.dmp	dridex_ldr
behavioral1/memory/1256-6-0x00000000748E0000-0x00000000748FF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1256 rundll32.exe
7 1256 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
4	1256	rundll32.exe
7	1256	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 1908 wrote to memory of 1256	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1256	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1256	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1256	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1256	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1256	1908	rundll32.exe	rundll32.exe
PID 1908 wrote to memory of 1256	1908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d63beded771ab4503b39115c909eeda74d2209b2f1b7be04e96dda874abc496f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d63beded771ab4503b39115c909eeda74d2209b2f1b7be04e96dda874abc496f.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1256

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/636-7-0x000007FEF6080000-0x000007FEF62FA000-memory.dmp

Filesize
2.5MB

Download
memory/1256-2-0x0000000000000000-mapping.dmp

Download
memory/1256-3-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/1256-4-0x00000000748E0000-0x0000000074913000-memory.dmp

Filesize
204KB

Download
memory/1256-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1256-6-0x00000000748E0000-0x00000000748FF000-memory.dmp

Filesize
124KB

Download

Analysis

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