dridex | 979d788e4dac670b947142dfa399b9672551a4549cb037d539d947184213b1fb

Analysis

max time kernel
96s
max time network
98s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 12:03

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General

Target

979d788e4dac670b947142dfa399b9672551a4549cb037d539d947184213b1fb.dll
Size

161KB
MD5

ffc64dfbc2dac7aaca99dbbb423589e1
SHA1

5502e599792305de49f3fc4d09976dcd551d9656
SHA256

979d788e4dac670b947142dfa399b9672551a4549cb037d539d947184213b1fb
SHA512

bcb230d1de768935b5c287ea2794b5b6e790819abe1454fd312644c4486661fff44c65a48efa456739dd909677cedd45715fbf8f19101fb17d8bf018a9181526

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1228-115-0x0000000074450000-0x000000007447E000-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 656 wrote to memory of 1228	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1228	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1228	656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\979d788e4dac670b947142dfa399b9672551a4549cb037d539d947184213b1fb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\979d788e4dac670b947142dfa399b9672551a4549cb037d539d947184213b1fb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1228

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/1228-114-0x0000000000000000-mapping.dmp

Download
memory/1228-115-0x0000000074450000-0x000000007447E000-memory.dmp

Filesize
184KB

Download
memory/1228-117-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download