dridex | 25d57d8e967c7efdc4bd8e6de0a67bdd03433ef23d4f1fe1a687a60758b2bb1e

Analysis

max time kernel
111s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:09

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General

Target

25d57d8e967c7efdc4bd8e6de0a67bdd03433ef23d4f1fe1a687a60758b2bb1e.dll
Size

154KB
MD5

542a0531e30f73567eddbed0bdd6552b
SHA1

175226264ddfac3ffadc246a4c94c1a1f9a9f54b
SHA256

25d57d8e967c7efdc4bd8e6de0a67bdd03433ef23d4f1fe1a687a60758b2bb1e
SHA512

0f4f487711fc8666ac5a7ac66cbc12803c0e177b46feb787c2d4c6bd2202d106c30c1d8e7eccc7e45871cda2b3b0b568e03b4b2fcdf06a77d350c40a67fe4084

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/3204-115-0x00000000739D0000-0x00000000739FD000-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 1736 wrote to memory of 3204	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3204	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3204	1736	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25d57d8e967c7efdc4bd8e6de0a67bdd03433ef23d4f1fe1a687a60758b2bb1e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25d57d8e967c7efdc4bd8e6de0a67bdd03433ef23d4f1fe1a687a60758b2bb1e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3204

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/3204-114-0x0000000000000000-mapping.dmp

Download
memory/3204-115-0x00000000739D0000-0x00000000739FD000-memory.dmp

Filesize
180KB

Download
memory/3204-117-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download