dridex | f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67

Analysis

max time kernel
29s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
04-05-2021 13:37

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General

Target

f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67.dll
Size

162KB
MD5

699cb9372bfd32e2120be48067a8208e
SHA1

c4ed411e20ccb6cc5265e8040b3ec2c8bf0cb551
SHA256

f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67
SHA512

066143c12ab35ab61e32239a1148a32f6edcff53cd067995cd74136e256141f1fd3c544ea862c9c3c5b0dcdf6f8499ab93cefea67bf79d47ca53a2b397da3bad

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/1952-61-0x0000000075220000-0x000000007524E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 484 wrote to memory of 1952	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1952	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1952	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1952	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1952	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1952	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1952	484	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:484

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8d8f30b52631fa4521d502f0f57a6bf921a908769d8a577afbf9284bb0f1c67.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1952

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

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Downloads

memory/1952-59-0x0000000000000000-mapping.dmp

Download
memory/1952-60-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1952-61-0x0000000075220000-0x000000007524E000-memory.dmp

Filesize
184KB

Download
memory/1952-63-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download