dridex | ad17f866f030d4f290cc082ef0e7aa440ec80e17fcd0d2b6116a73c0e921b3bb

Analysis

max time kernel
26s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
28-06-2021 20:52

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General

Target

ad17f866f030d4f290cc082ef0e7aa440ec80e17fcd0d2b6116a73c0e921b3bb.dll
Size

160KB
MD5

ffed2ecf26f372bde4ec3d97e1e1a1a1
SHA1

b495d9e5f15ce3cec4ec923ca25dd19d34620b6e
SHA256

ad17f866f030d4f290cc082ef0e7aa440ec80e17fcd0d2b6116a73c0e921b3bb
SHA512

4fb4a0e8b5be261f92361f70162eebd5ad54dd5edfe695957afadd3209967c472d4eafe7ca07b3ea7ae152f519a6b192cfa5ab983c4157dd3143a055317e4f57

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/492-115-0x0000000074440000-0x000000007446E000-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 656 wrote to memory of 492	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 492	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 492	656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad17f866f030d4f290cc082ef0e7aa440ec80e17fcd0d2b6116a73c0e921b3bb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad17f866f030d4f290cc082ef0e7aa440ec80e17fcd0d2b6116a73c0e921b3bb.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:492

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/492-114-0x0000000000000000-mapping.dmp

Download
memory/492-115-0x0000000074440000-0x000000007446E000-memory.dmp

Filesize
184KB

Download
memory/492-117-0x0000000000940000-0x0000000000946000-memory.dmp

Filesize
24KB

Download