dridex | dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29

Analysis

max time kernel
102s
max time network
104s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:00

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General

Target

dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29.dll
Size

157KB
MD5

6c75ad377129a588ba7b91bab284f219
SHA1

a7513a7655f6c2e283972977e57e044731c1b217
SHA256

dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29
SHA512

fce22abbcb31327968067eefe393feab805859ff869161ec754a1054f8e03c8a4e9f79491d4d6dbda7a10e8edb01c8b3940b068e598259978955e01b14c409bc

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/3144-115-0x0000000074300000-0x000000007432D000-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 500 wrote to memory of 3144	500	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 3144	500	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 3144	500	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:500

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc50faec3e57c8b02204d2190b74e2c775e7b5f0aaa129ba807d4d65f4880b29.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3144

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/3144-114-0x0000000000000000-mapping.dmp

Download
memory/3144-115-0x0000000074300000-0x000000007432D000-memory.dmp

Filesize
180KB

Download
memory/3144-117-0x00000000031B0000-0x00000000031B6000-memory.dmp

Filesize
24KB

Download