dridex | ebc5f1bf462ae4048925990c275f8dae09775561b98e84d033cef6d4d3d84b4a

Analysis

max time kernel
24s
max time network
133s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 14:59

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General

Target
ebc5f1bf462ae4048925990c275f8dae09775561b98e84d033cef6d4d3d84b4a.dll
Size 188KB
Sample210224-ad4mkllkr6
SHA256 ebc5f1bf462ae4048925990c275f8dae09775561b98e84d033cef6d4d3d84b4a
MD5 8e4f6fce368beaac825c0540107f572b
SHA1 e3866808ab57eef2d73d27143b152471ca804c52
SHA512 417dde6ccc46226a779736e9f1f7738db9464508a7fc773641a26a3501d3be3b3e20ba23b3609a6deb7dea1956539c579142ae9f2fd93f6374800f8d93f57dfb
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
behavioral2/memory/1240-3-0x00000000736F0000-0x0000000073721000-memory.dmp	dridex_ldr
behavioral2/memory/1240-5-0x00000000736F0000-0x000000007370F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
13	1240	rundll32.exe
15	1240	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 3 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 1240	1108	rundll32.exe	65
PID 1108 wrote to memory of 1240	1108	rundll32.exe	65
PID 1108 wrote to memory of 1240	1108	rundll32.exe	65

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebc5f1bf462ae4048925990c275f8dae09775561b98e84d033cef6d4d3d84b4a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ebc5f1bf462ae4048925990c275f8dae09775561b98e84d033cef6d4d3d84b4a.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1240

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

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Downloads

memory/1240-3-0x00000000736F0000-0x0000000073721000-memory.dmp

Download

memory/1240-4-0x0000000004500000-0x0000000004506000-memory.dmp

Download

memory/1240-5-0x00000000736F0000-0x000000007370F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads