dridex | c4dc08a28e7805259698d9eba30feb6f9688572c75a57b4ec2a8b98fa882c57f

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 21:36

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General

Target

c4dc08a28e7805259698d9eba30feb6f9688572c75a57b4ec2a8b98fa882c57f.dll
Size

158KB
MD5

f7b20ee82f651acca767d9a3892399c1
SHA1

fd176c588204d152f74609fef2206d8e38cd72fc
SHA256

c4dc08a28e7805259698d9eba30feb6f9688572c75a57b4ec2a8b98fa882c57f
SHA512

d88bcde92fe92377db2ee028c7acdd1fc5ff39856e40cb753e2aa58f7431bf52ebef2d123429416947b9ea9e6ee7914af960a813380c386d832aa31e18a89f0c

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/3772-115-0x00000000739D0000-0x00000000739FD000-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 3904 wrote to memory of 3772	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3772	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3772	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4dc08a28e7805259698d9eba30feb6f9688572c75a57b4ec2a8b98fa882c57f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4dc08a28e7805259698d9eba30feb6f9688572c75a57b4ec2a8b98fa882c57f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3772

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/3772-114-0x0000000000000000-mapping.dmp

Download
memory/3772-115-0x00000000739D0000-0x00000000739FD000-memory.dmp

Filesize
180KB

Download
memory/3772-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download