dridex | cf56df192c905336714c2295fd771cb2ed6ade7167705b0442bbc8dde72072e8

Analysis

max time kernel
150s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 07:48

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General

Target

hsy_utu8_12u_v4.4.7.0 (4).dll
Size

173KB
MD5

7042ee1bdb66342f4f19304fff77d08b
SHA1

63caafaae69081882da379556b17a2b21dd96963
SHA256

cf56df192c905336714c2295fd771cb2ed6ade7167705b0442bbc8dde72072e8
SHA512

1f081f9fe46a49c8e08753c89fe8624386a40d1edb3dc7634555f1eb6aadf6fe77d937ad79ec3b8263756750b3a90f32a84c627c6bca7011bb351d89cb3a7a6e

Score

10^/10

dridex 22202 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22202

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

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
behavioral2/memory/416-115-0x00000000755E0000-0x0000000075610000-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 4048 wrote to memory of 416	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 416	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 416	4048	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\hsy_utu8_12u_v4.4.7.0 (4).dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\hsy_utu8_12u_v4.4.7.0 (4).dll",#1
2⤵
- Checks whether UAC is enabled
PID:416

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/416-114-0x0000000000000000-mapping.dmp

Download
memory/416-115-0x00000000755E0000-0x0000000075610000-memory.dmp

Filesize
192KB

Download
memory/416-117-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download