dridex | c34543431176116f01e6d3419ebad42cf031b1ac506d60edbe2d369015c33479

Analysis

max time kernel
19s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
27-06-2021 11:50

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General

Target

c34543431176116f01e6d3419ebad42cf031b1ac506d60edbe2d369015c33479.dll
Size

160KB
MD5

3450ecc93c72adf6fff91f27a6549c23
SHA1

7bb3e6e03547a0d162bec3cbf7c6bbb1e60484bc
SHA256

c34543431176116f01e6d3419ebad42cf031b1ac506d60edbe2d369015c33479
SHA512

3bb873d0faa28ac20bf46a43618a9fa71fcdf9780cdd2ae70b81ccbacdb05f9ebf6cfff271701625be161666aef77927c3b14f97231c89395dce8c054e6dd429

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3936-115-0x0000000074090000-0x00000000740BE000-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 3540 wrote to memory of 3936	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 3936	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 3936	3540	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c34543431176116f01e6d3419ebad42cf031b1ac506d60edbe2d369015c33479.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c34543431176116f01e6d3419ebad42cf031b1ac506d60edbe2d369015c33479.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3936

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3936-114-0x0000000000000000-mapping.dmp

Download
memory/3936-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Filesize
184KB

Download
memory/3936-117-0x0000000003410000-0x0000000003416000-memory.dmp

Filesize
24KB

Download