dridex | 657d9384eba1ee9c0db9d27aa7a3d719c9043c8021c232c3b5bf3f4a31ecc4c2

Analysis

max time kernel
96s
max time network
100s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:04

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General

Target

657d9384eba1ee9c0db9d27aa7a3d719c9043c8021c232c3b5bf3f4a31ecc4c2.dll
Size

157KB
MD5

2d934422e04f35252df7eacea189294c
SHA1

5533e414ac60f909c071c1c14f2245ee8d5f6a2f
SHA256

657d9384eba1ee9c0db9d27aa7a3d719c9043c8021c232c3b5bf3f4a31ecc4c2
SHA512

7fa352e01a3db8c74056f4eea9eef410e754dfa9b8bbbe8be4c285f4109b78029fa71ae7454db15399a71791b2a7bc3741283d0d9fe1ac79e83785fb36679b01

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/1228-115-0x0000000073D90000-0x0000000073DBD000-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 860 wrote to memory of 1228	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 1228	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 1228	860	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\657d9384eba1ee9c0db9d27aa7a3d719c9043c8021c232c3b5bf3f4a31ecc4c2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\657d9384eba1ee9c0db9d27aa7a3d719c9043c8021c232c3b5bf3f4a31ecc4c2.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/1228-115-0x0000000073D90000-0x0000000073DBD000-memory.dmp

Filesize
180KB

Download
memory/1228-117-0x0000000000940000-0x0000000000946000-memory.dmp

Filesize
24KB

Download