dridex | 6a568425e36edea9b65ef2bc5b951c6e621321a8bf379c46b65382eece5f4c3f

Analysis

max time kernel
47s
max time network
55s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:02

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General

Target

6a568425e36edea9b65ef2bc5b951c6e621321a8bf379c46b65382eece5f4c3f.dll
Size

157KB
MD5

cb97771816727f94c50d1ceed8054e36
SHA1

c7bf0c4da1ffb2e3a9aaa6bee2189089254602d8
SHA256

6a568425e36edea9b65ef2bc5b951c6e621321a8bf379c46b65382eece5f4c3f
SHA512

fa739c08ee1589d3a5f4bd717afdc0a84714b8891ff91ef0889e918e115df7b5aca7fdef48da7939ea3d8203e431946738874c0b495e925f027eb3bd01f5739c

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/1104-115-0x00000000736D0000-0x00000000736FD000-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 796 wrote to memory of 1104	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1104	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1104	796	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a568425e36edea9b65ef2bc5b951c6e621321a8bf379c46b65382eece5f4c3f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a568425e36edea9b65ef2bc5b951c6e621321a8bf379c46b65382eece5f4c3f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1104

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/1104-114-0x0000000000000000-mapping.dmp

Download
memory/1104-115-0x00000000736D0000-0x00000000736FD000-memory.dmp

Filesize
180KB

Download
memory/1104-117-0x0000000000500000-0x000000000064A000-memory.dmp

Filesize
1.3MB

Download