dridex | 3103333c1a3ebdc701ae6459174de29c260e1d428562a2668dafeee106c42385

Analysis

max time kernel
26s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 18:26

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General

Target

3103333c1a3ebdc701ae6459174de29c260e1d428562a2668dafeee106c42385.dll
Size

158KB
MD5

bbfe576e8c85743bae8e6d54e9b17c6d
SHA1

ccd3476b3ac5c6e9d8ff8739dda5095538b2e3bd
SHA256

3103333c1a3ebdc701ae6459174de29c260e1d428562a2668dafeee106c42385
SHA512

459f5d674cdd9e3c28f603a29f83ca11207a324b5d438ee8e2712bc728bc6387d5ed7451527eea11740221b33e6ec34e732f94cdd79a095fabda6299c8cdc382

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1192-115-0x0000000074160000-0x000000007418D000-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 860 wrote to memory of 1192	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 1192	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 1192	860	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3103333c1a3ebdc701ae6459174de29c260e1d428562a2668dafeee106c42385.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3103333c1a3ebdc701ae6459174de29c260e1d428562a2668dafeee106c42385.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1192

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/1192-114-0x0000000000000000-mapping.dmp

Download
memory/1192-115-0x0000000074160000-0x000000007418D000-memory.dmp

Filesize
180KB

Download
memory/1192-117-0x00000000027F0000-0x00000000027F6000-memory.dmp

Filesize
24KB

Download