dridex | fa8d0f4ed31cb8bae23ef45563a3ef657f5c6b369e54ac3f7ff5d0661bfdb3c9

Analysis

max time kernel
18s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
10-06-2021 23:48

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General

Target

fa8d0f4ed31cb8bae23ef45563a3ef657f5c6b369e54ac3f7ff5d0661bfdb3c9.dll
Size

162KB
MD5

6b5d99f7d405c48dcf40136f3886e497
SHA1

09417c6445254aebd85a3f5ca29cf97caa733ab2
SHA256

fa8d0f4ed31cb8bae23ef45563a3ef657f5c6b369e54ac3f7ff5d0661bfdb3c9
SHA512

f26ffafd5a65c55e0d7f5b3ce74963d440911fae1d7cca80bc1867cf1b443f3fbdacfc570c7a259d8a93c3de846d6ca00f8aee4b821c50337a80befecc6152c4

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/3488-115-0x0000000074480000-0x00000000744AE000-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 4016 wrote to memory of 3488	4016	rundll32.exe	rundll32.exe
PID 4016 wrote to memory of 3488	4016	rundll32.exe	rundll32.exe
PID 4016 wrote to memory of 3488	4016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa8d0f4ed31cb8bae23ef45563a3ef657f5c6b369e54ac3f7ff5d0661bfdb3c9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa8d0f4ed31cb8bae23ef45563a3ef657f5c6b369e54ac3f7ff5d0661bfdb3c9.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3488

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3488-114-0x0000000000000000-mapping.dmp

Download
memory/3488-115-0x0000000074480000-0x00000000744AE000-memory.dmp

Filesize
184KB

Download
memory/3488-117-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download