dridex | fb0e8b93ff559313493e62925c3b4d24976b3a093b667eff7e28badc1efd3b67

Analysis

max time kernel
117s
max time network
118s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:10

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General

Target

fb0e8b93ff559313493e62925c3b4d24976b3a093b667eff7e28badc1efd3b67.dll
Size

154KB
MD5

09a563d4f0c9dfa3273b3bb445aa6270
SHA1

e140388f81c4fd0fb583cc55ddcf7d589c0815bc
SHA256

fb0e8b93ff559313493e62925c3b4d24976b3a093b667eff7e28badc1efd3b67
SHA512

af7af792d394e9cc387f01a76a3ef5156044b58b8d5e4001c73d75127f8fa6c9c6e86593f875b38ddc6ef6c74143ac864b6cd681dfdf079f9913f69a5f382dc7

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1176-115-0x00000000738F0000-0x000000007391D000-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 856 wrote to memory of 1176	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1176	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1176	856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb0e8b93ff559313493e62925c3b4d24976b3a093b667eff7e28badc1efd3b67.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb0e8b93ff559313493e62925c3b4d24976b3a093b667eff7e28badc1efd3b67.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1176

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/1176-114-0x0000000000000000-mapping.dmp

Download
memory/1176-115-0x00000000738F0000-0x000000007391D000-memory.dmp

Filesize
180KB

Download
memory/1176-117-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

Download