dridex | 5fa92a165c97227c64308bf289c8d60097adcde505751760f40f9e26f02249e2

Analysis

max time kernel
26s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 03:18

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General

Target

5fa92a165c97227c64308bf289c8d60097adcde505751760f40f9e26f02249e2.dll
Size

162KB
MD5

5e26a563c7654d0c6501f0688b26be1e
SHA1

844f505bd5fcf4ab9574ef078a0c3dbbc2a55fd5
SHA256

5fa92a165c97227c64308bf289c8d60097adcde505751760f40f9e26f02249e2
SHA512

dd25fa09578d9f1a18ce5ccbfa8a1ac91e2100af284863aaa6856591ff7481cc3ad7eac06dd0ec68857b0e6e15085a3c90a903466b551e9e68f31928ab36daab

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
behavioral1/memory/3132-115-0x0000000073890000-0x00000000738BE000-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 2988 wrote to memory of 3132	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 3132	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 3132	2988	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5fa92a165c97227c64308bf289c8d60097adcde505751760f40f9e26f02249e2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2988

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5fa92a165c97227c64308bf289c8d60097adcde505751760f40f9e26f02249e2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3132

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/3132-114-0x0000000000000000-mapping.dmp

Download
memory/3132-115-0x0000000073890000-0x00000000738BE000-memory.dmp

Filesize
184KB

Download
memory/3132-117-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download