dridex | ad51cbdbf5a22d36ee25b7972fce016a16b02955d2ec4e754384dab4804ff8ca

General

Target

ad51cbdbf5a22d36ee25b7972fce016a16b02955d2ec4e754384dab4804ff8ca.dll
Size

188KB
MD5

67f92d3816c9612f4e8b3d09e96ac040
SHA1

d2dad6089b24bb35ae804d133a3c2bef8073e420
SHA256

ad51cbdbf5a22d36ee25b7972fce016a16b02955d2ec4e754384dab4804ff8ca
SHA512

2fddd6be4aecfdc9e3aea3ae3a51ce0acb15ad8b2c91619eecca5510a115a3abe85b814442ddb1a62512b0c71a41287cba1b5794197ec0c23554878179974dca

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/1340-5-0x0000000074AC0000-0x0000000074AF1000-memory.dmp	dridex_ldr
behavioral1/memory/1340-7-0x0000000074AC0000-0x0000000074ADF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1340 rundll32.exe
7 1340 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	1340	rundll32.exe
7	1340	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 1812 wrote to memory of 1340	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1340	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1340	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1340	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1340	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1340	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1340	1812	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad51cbdbf5a22d36ee25b7972fce016a16b02955d2ec4e754384dab4804ff8ca.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad51cbdbf5a22d36ee25b7972fce016a16b02955d2ec4e754384dab4804ff8ca.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1340

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/1340-2-0x0000000000000000-mapping.dmp

Download
memory/1340-3-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1340-4-0x0000000074750000-0x00000000748F3000-memory.dmp

Filesize
1.6MB

Download
memory/1340-5-0x0000000074AC0000-0x0000000074AF1000-memory.dmp

Filesize
196KB

Download
memory/1340-6-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1340-7-0x0000000074AC0000-0x0000000074ADF000-memory.dmp

Filesize
124KB

Download
memory/1632-8-0x000007FEF79D0000-0x000007FEF7C4A000-memory.dmp

Filesize
2.5MB

Download

Analysis

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