dridex | 5d5f4e3345a594a4813000e37b59e3140f2a171c010bbfabe7f16c0ca127b706

Analysis

max time kernel
46s
max time network
57s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 13:01

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General

Target

5d5f4e3345a594a4813000e37b59e3140f2a171c010bbfabe7f16c0ca127b706.dll
Size

162KB
MD5

e09263f8c8222c9a2d49bf43cd88229b
SHA1

b6d2c064e3f24a2da9279e5ea00b1b070d2baa89
SHA256

5d5f4e3345a594a4813000e37b59e3140f2a171c010bbfabe7f16c0ca127b706
SHA512

b4e39acb5ce70f7a18c4e4c2b601b94453c707b74acad9a2b1c156756f043c66e7f47807b87a7876a9b1a38eda3efc1d50796e5b73ebefa046b96223dbe84f82

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/2208-115-0x0000000074400000-0x000000007442E000-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 784 wrote to memory of 2208	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 2208	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 2208	784	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d5f4e3345a594a4813000e37b59e3140f2a171c010bbfabe7f16c0ca127b706.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d5f4e3345a594a4813000e37b59e3140f2a171c010bbfabe7f16c0ca127b706.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2208

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/2208-114-0x0000000000000000-mapping.dmp

Download
memory/2208-115-0x0000000074400000-0x000000007442E000-memory.dmp

Filesize
184KB

Download
memory/2208-117-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

Download