dridex | 2624cfe6e96610947e54e8475a6a4e44e984b55200198659abddf472ed460457

General

Target

2624cfe6e96610947e54e8475a6a4e44e984b55200198659abddf472ed460457.dll
Size

196KB
MD5

7c56e0dffaa531947e10f6399d7e4097
SHA1

6d5da7505a2c2fe8567c7a19badd4df27fb7bd4e
SHA256

2624cfe6e96610947e54e8475a6a4e44e984b55200198659abddf472ed460457
SHA512

b4e3372776aa5bd07b92e4ed012cf77485e3782680b6a27e45995a8cb59c2caa28aad560de08a3ad10e559921fc439ca84b5a758c0faa0e9b9832b1c1099b641

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/1904-4-0x0000000074DE0000-0x0000000074E13000-memory.dmp	dridex_ldr
behavioral1/memory/1904-6-0x0000000074DE0000-0x0000000074DFF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1904 rundll32.exe
7 1904 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	1904	rundll32.exe
7	1904	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 1732 wrote to memory of 1904	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1904	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1904	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1904	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1904	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1904	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1904	1732	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2624cfe6e96610947e54e8475a6a4e44e984b55200198659abddf472ed460457.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2624cfe6e96610947e54e8475a6a4e44e984b55200198659abddf472ed460457.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1904

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/904-7-0x000007FEF6400000-0x000007FEF667A000-memory.dmp

Filesize
2.5MB

Download
memory/1904-2-0x0000000000000000-mapping.dmp

Download
memory/1904-3-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1904-4-0x0000000074DE0000-0x0000000074E13000-memory.dmp

Filesize
204KB

Download
memory/1904-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1904-6-0x0000000074DE0000-0x0000000074DFF000-memory.dmp

Filesize
124KB

Download

Analysis

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