dridex | e46dcfe36f47eb39a8f4cfb06f1c838e702289c83e8b971706dd45ab953c405c

Analysis

max time kernel
150s
max time network
154s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:06

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General

Target
e46dcfe36f47eb39a8f4cfb06f1c838e702289c83e8b971706dd45ab953c405c.dll
Size 188KB
Sample210224-4jmbrd2xve
SHA256 e46dcfe36f47eb39a8f4cfb06f1c838e702289c83e8b971706dd45ab953c405c
MD5 54ff414231488daee343bd572d651cf0
SHA1 c122baa0369043cbde93c57e961484db1a7b7326
SHA512 93b954128e90a202513516ea60aa7ddc53b1cca8d2b4ad8948494f8d753c20f9da029e82b3a24dae460ec477278d20dbdf747ea503fd34172d55102a46565936
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/1428-3-0x0000000073EE0000-0x0000000073F11000-memory.dmp	dridex_ldr
behavioral2/memory/1428-5-0x0000000073EE0000-0x0000000073EFF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 3 IoCs

flow	pid	Process
15	1428	rundll32.exe
17	1428	rundll32.exe
18	1428	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 1192 wrote to memory of 1428	1192	rundll32.exe	68
PID 1192 wrote to memory of 1428	1192	rundll32.exe	68
PID 1192 wrote to memory of 1428	1192	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e46dcfe36f47eb39a8f4cfb06f1c838e702289c83e8b971706dd45ab953c405c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e46dcfe36f47eb39a8f4cfb06f1c838e702289c83e8b971706dd45ab953c405c.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1428

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/1428-3-0x0000000073EE0000-0x0000000073F11000-memory.dmp

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memory/1428-4-0x0000000002A30000-0x0000000002A36000-memory.dmp

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memory/1428-5-0x0000000073EE0000-0x0000000073EFF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads