dridex | bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0

Analysis

max time kernel
24s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 02:32

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General

Target

bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0.dll
Size

158KB
MD5

0e3fd7a74be1268646855c1d61f9225d
SHA1

1336ce4dd98c194e44b60a5851d4888e69911be2
SHA256

bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0
SHA512

c53a8c6d44b0fbf8a558a5f68b1294ec45a1a929c9cc7151fc7213dfa24db882b8bac98e58df8cb60659ce899a69a144b3a0f79c38ff4d933f2b403a6bbaf74e

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/1880-115-0x0000000073B70000-0x0000000073B9D000-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 3908 wrote to memory of 1880	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 1880	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 1880	3908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1880

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/1880-114-0x0000000000000000-mapping.dmp

Download
memory/1880-115-0x0000000073B70000-0x0000000073B9D000-memory.dmp

Filesize
180KB

Download
memory/1880-117-0x00000000023F0000-0x00000000023F6000-memory.dmp

Filesize
24KB

Download