dridex | 581305130377c5a6cc8fe10f6e698758da36cfd857981dbb1da867f202429653

Analysis

max time kernel
29s
max time network
12s
platform
windows7_x64
resource
win7v20210408
submitted
27-07-2021 08:48

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General

Target

b7875b3c9f2ea4d250a68b23869776a8.dll
Size

173KB
MD5

b7875b3c9f2ea4d250a68b23869776a8
SHA1

bb89bdc18c8258fbd2b6f9befd60365ee39f4536
SHA256

581305130377c5a6cc8fe10f6e698758da36cfd857981dbb1da867f202429653
SHA512

ec9ccab2b8bc04d2e2951bdbf3fd29676b8d457f6c6cb454b422aed753e17fde3c4cfe0efb22f0f29b8df60938b2bd0b4dbe372a28dc3e573fa8f8372c86b877

Score

10^/10

dridex 22202 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22202

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1932-62-0x0000000074CE0000-0x0000000074D10000-memory.dmp	dridex_ldr

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

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 1932	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1932	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1932	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1932	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1932	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1932	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1932	1096	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7875b3c9f2ea4d250a68b23869776a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7875b3c9f2ea4d250a68b23869776a8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1932

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1932-60-0x0000000000000000-mapping.dmp

Download
memory/1932-61-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1932-62-0x0000000074CE0000-0x0000000074D10000-memory.dmp

Filesize
192KB

Download
memory/1932-64-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download