dridex | 73dcdf991c074633f5404a92d45961ba4a035661f4ea44c470fa7b088e032fba

Analysis

max time kernel
37s
max time network
37s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 13:06

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General

Target

73dcdf991c074633f5404a92d45961ba4a035661f4ea44c470fa7b088e032fba.dll
Size

162KB
MD5

5f906aced8143f8c588f149b110a50c8
SHA1

54765aa45667fa4c785363002672ecd124be09f6
SHA256

73dcdf991c074633f5404a92d45961ba4a035661f4ea44c470fa7b088e032fba
SHA512

26a5a39a02101d68feeff224344c3072e82596c0e4ed71af8052d8ad52946d26021aa9ef0f49ac1d3ae22ed2b0cb26d9d1fb7589824883e6b0ea5b1889ba68b8

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/1396-115-0x00000000744D0000-0x00000000744FE000-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 636 wrote to memory of 1396	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1396	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1396	636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\73dcdf991c074633f5404a92d45961ba4a035661f4ea44c470fa7b088e032fba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\73dcdf991c074633f5404a92d45961ba4a035661f4ea44c470fa7b088e032fba.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1396

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/1396-114-0x0000000000000000-mapping.dmp

Download
memory/1396-115-0x00000000744D0000-0x00000000744FE000-memory.dmp

Filesize
184KB

Download
memory/1396-117-0x0000000003380000-0x00000000034CA000-memory.dmp

Filesize
1.3MB

Download