dridex | 5729bf7cc2a6566ba2a70c9324718cef806ee892914dfc422f9ff3dc2a420fcd

General

Target

5729bf7cc2a6566ba2a70c9324718cef806ee892914dfc422f9ff3dc2a420fcd.dll
Size

188KB
MD5

42c66afb604c668d5f3c7ab485a5dbc1
SHA1

b166a127a52355323cda18e0a685fa03ccf5373f
SHA256

5729bf7cc2a6566ba2a70c9324718cef806ee892914dfc422f9ff3dc2a420fcd
SHA512

4156a423ae929398b65db0bdf49e3cdfe3aa7ca1d6892f14b1f32022b8b31c11fa4a6a4ce7ed2c6dee315f5ce14c9eb890c2c06ff0c95bc97fb2a82d3ef5afdc

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

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/2032-5-0x00000000750A0000-0x00000000750D1000-memory.dmp	dridex_ldr
behavioral1/memory/2032-7-0x00000000750A0000-0x00000000750BF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 2032 rundll32.exe
8 2032 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	2032	rundll32.exe
8	2032	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 1924 wrote to memory of 2032	1924	rundll32.exe	rundll32.exe
PID 1924 wrote to memory of 2032	1924	rundll32.exe	rundll32.exe
PID 1924 wrote to memory of 2032	1924	rundll32.exe	rundll32.exe
PID 1924 wrote to memory of 2032	1924	rundll32.exe	rundll32.exe
PID 1924 wrote to memory of 2032	1924	rundll32.exe	rundll32.exe
PID 1924 wrote to memory of 2032	1924	rundll32.exe	rundll32.exe
PID 1924 wrote to memory of 2032	1924	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5729bf7cc2a6566ba2a70c9324718cef806ee892914dfc422f9ff3dc2a420fcd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5729bf7cc2a6566ba2a70c9324718cef806ee892914dfc422f9ff3dc2a420fcd.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2032

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/1664-8-0x000007FEF6680000-0x000007FEF68FA000-memory.dmp

Filesize
2.5MB

Download
memory/2032-4-0x0000000074D30000-0x0000000074ED3000-memory.dmp

Filesize
1.6MB

Download
memory/2032-3-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/2032-2-0x0000000000000000-mapping.dmp

Download
memory/2032-5-0x00000000750A0000-0x00000000750D1000-memory.dmp

Filesize
196KB

Download
memory/2032-6-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2032-7-0x00000000750A0000-0x00000000750BF000-memory.dmp

Filesize
124KB

Download

Analysis

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