dridex | 5a300aed1086bdfc4f21d5d7203cf35596115e74ad467d539a091b98acf3efa5

Analysis

max time kernel
31s
max time network
88s
platform
windows7_x64
resource
win7v20201028
submitted
24/02/2021, 15:08

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
5a300aed1086bdfc4f21d5d7203cf35596115e74ad467d539a091b98acf3efa5.dll
Size 188KB
Sample210224-ryxf2rfvce
SHA256 5a300aed1086bdfc4f21d5d7203cf35596115e74ad467d539a091b98acf3efa5
MD5 c6de561e8fcba0253f32b89c40fa0a3c
SHA1 c01c0f6ce8a2dcf3eb458ae85ed44421bd12bd69
SHA512 49d3effeedeb34a64d2cb9780dcbb6da5447028e7f6911cd37a0e3a7326deb99f243fed81818fe0bce895debc2a39a8fafee96956b60d3d2fcd9b1fc93c5266e
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1520-5-0x0000000074B70000-0x0000000074BA1000-memory.dmp	dridex_ldr
behavioral1/memory/1520-7-0x0000000074B70000-0x0000000074B8F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	1520	rundll32.exe
7	1520	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 7 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 1520	1908	rundll32.exe	26
PID 1908 wrote to memory of 1520	1908	rundll32.exe	26
PID 1908 wrote to memory of 1520	1908	rundll32.exe	26
PID 1908 wrote to memory of 1520	1908	rundll32.exe	26
PID 1908 wrote to memory of 1520	1908	rundll32.exe	26
PID 1908 wrote to memory of 1520	1908	rundll32.exe	26
PID 1908 wrote to memory of 1520	1908	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a300aed1086bdfc4f21d5d7203cf35596115e74ad467d539a091b98acf3efa5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a300aed1086bdfc4f21d5d7203cf35596115e74ad467d539a091b98acf3efa5.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/548-8-0x000007FEF6270000-0x000007FEF64EA000-memory.dmp

Download

memory/1520-3-0x0000000076271000-0x0000000076273000-memory.dmp

Download

memory/1520-4-0x0000000074800000-0x00000000749A3000-memory.dmp

Download

memory/1520-5-0x0000000074B70000-0x0000000074BA1000-memory.dmp

Download

memory/1520-6-0x0000000000160000-0x0000000000166000-memory.dmp

Download

memory/1520-7-0x0000000074B70000-0x0000000074B8F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads