dridex | 6946beeb2764d7d35446c2aa6a0a8a9fe33d43bd4e3af1050f9267ccd6d03868

Analysis

max time kernel
101s
max time network
104s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:18

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General

Target

6946beeb2764d7d35446c2aa6a0a8a9fe33d43bd4e3af1050f9267ccd6d03868.dll
Size

154KB
MD5

b5ab3bce3f29826757473025e8fb3037
SHA1

e38cfc0fda3478330ec8888f37afa213cf4f3039
SHA256

6946beeb2764d7d35446c2aa6a0a8a9fe33d43bd4e3af1050f9267ccd6d03868
SHA512

025d1ec4ccb5f70ebbbfb2d457d6d668d602c77a77d99746eb0ada8abe4ee04d0762ede4df00748ae516686695ac429baa351249ee1861d3eff3684ba8e88914

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/3836-115-0x0000000073DE0000-0x0000000073E0D000-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 3892 wrote to memory of 3836	3892	rundll32.exe	rundll32.exe
PID 3892 wrote to memory of 3836	3892	rundll32.exe	rundll32.exe
PID 3892 wrote to memory of 3836	3892	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6946beeb2764d7d35446c2aa6a0a8a9fe33d43bd4e3af1050f9267ccd6d03868.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6946beeb2764d7d35446c2aa6a0a8a9fe33d43bd4e3af1050f9267ccd6d03868.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3836

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/3836-114-0x0000000000000000-mapping.dmp

Download
memory/3836-115-0x0000000073DE0000-0x0000000073E0D000-memory.dmp

Filesize
180KB

Download
memory/3836-117-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download