dridex | efffeafd855ecfd137c2378fbfbb1fdab55db9ac576e2017e2b2191f4a71869f

Analysis

max time kernel
135s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
16/04/2021, 12:20

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
efffeafd855ecfd137c2378fbfbb1fdab55db9ac576e2017e2b2191f4a71869f.dll
Size 162KB
Sample210416-vn1pndneyx
SHA256 efffeafd855ecfd137c2378fbfbb1fdab55db9ac576e2017e2b2191f4a71869f
MD5 0780c5e48043cb59a1c35257effab2a7
SHA1 85ff448e434eb98554309a9ab71e7c270b702ff0
SHA512 b27363fac4fbd685448a3bc3b79b9825c69b244e509920c55ae39189dde63c021ea2a432ee750cf0159df9ee10b7081189394fb4890352bbc39579e2e84bed70
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/3636-115-0x00000000755E0000-0x000000007560E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 3636	3944	rundll32.exe	69
PID 3944 wrote to memory of 3636	3944	rundll32.exe	69
PID 3944 wrote to memory of 3636	3944	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efffeafd855ecfd137c2378fbfbb1fdab55db9ac576e2017e2b2191f4a71869f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\efffeafd855ecfd137c2378fbfbb1fdab55db9ac576e2017e2b2191f4a71869f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3636

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

Loading Replay Monitor...

Downloads

memory/3636-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/3636-117-0x0000000003400000-0x000000000354A000-memory.dmp