dridex | 9bb347b003a70308272a4153be33c1e1656811ed7f7d9f4d713e37a7e39f98e4

Analysis

max time kernel
19s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
28-06-2021 13:27

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General

Target

9bb347b003a70308272a4153be33c1e1656811ed7f7d9f4d713e37a7e39f98e4.dll
Size

160KB
MD5

e43c6b47e3ef8c4727aaf2ecd3f108da
SHA1

22e98f51155032a122dba44c898371a3e6fa6f2f
SHA256

9bb347b003a70308272a4153be33c1e1656811ed7f7d9f4d713e37a7e39f98e4
SHA512

f5f5feca34f827f8ba9be49d1d596916c7fee5939a458ff34f5a5ddc4567854adb1a73c5c25b674c568eb39a9dda4437f0843d15fc88d08cde9fc6cef3ed7b6b

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/4092-115-0x00000000735E0000-0x000000007360E000-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 3980 wrote to memory of 4092	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 4092	3980	rundll32.exe	rundll32.exe
PID 3980 wrote to memory of 4092	3980	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bb347b003a70308272a4153be33c1e1656811ed7f7d9f4d713e37a7e39f98e4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bb347b003a70308272a4153be33c1e1656811ed7f7d9f4d713e37a7e39f98e4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4092

Network

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/4092-114-0x0000000000000000-mapping.dmp

Download
memory/4092-115-0x00000000735E0000-0x000000007360E000-memory.dmp

Filesize
184KB

Download
memory/4092-117-0x00000000043C0000-0x00000000043C6000-memory.dmp

Filesize
24KB

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