dridex | c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45

Analysis

max time kernel
119s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 16:53

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General

Target

c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45.dll
Size

162KB
MD5

88ed8c13660f5c0526500e8901cf0b9f
SHA1

17ac18213a38f6cd81b255d77e1dd23eb7b9c7b2
SHA256

c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45
SHA512

c1b9741cfd6457ff0f0d97c1e007917c58aa22c0c4b4b5712d932bc4a0e988874f0484279b0fe2db1e6e4d18c49a9f9888400513418e53b22e9450881659c9f1

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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
behavioral2/memory/3172-115-0x0000000074420000-0x000000007444E000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2116 wrote to memory of 3172	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 3172	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 3172	2116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c89d407e4d0b51af0cb907c88f80f4d126a8bfab5d382c08a71848fa034a8e45.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3172

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/3172-114-0x0000000000000000-mapping.dmp

Download
memory/3172-115-0x0000000074420000-0x000000007444E000-memory.dmp

Filesize
184KB

Download
memory/3172-117-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download