dridex | d0b3909661093d0d1f2dc6a6cb3e4cfc75e8977de0e2bde3421c167b35992560

Analysis

max time kernel
34s
max time network
8s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:18

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General

Target

d0b3909661093d0d1f2dc6a6cb3e4cfc75e8977de0e2bde3421c167b35992560.dll
Size

154KB
MD5

b3fc7b01d7faf7874e02278c5febf198
SHA1

f4249545f157f4f92193eb90487fa0e13b74e7fe
SHA256

d0b3909661093d0d1f2dc6a6cb3e4cfc75e8977de0e2bde3421c167b35992560
SHA512

38319d58bcce89a8ef75cfcd1e5290d2249cef27eb983d8b1f6d80738d90cf0ff341a81a1fa8106e5e0325fd78a1a1baf163d1cff079089a3bb4dd4551a17123

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/1980-62-0x0000000074930000-0x000000007495D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1944 wrote to memory of 1980	1944	rundll32.exe	rundll32.exe
PID 1944 wrote to memory of 1980	1944	rundll32.exe	rundll32.exe
PID 1944 wrote to memory of 1980	1944	rundll32.exe	rundll32.exe
PID 1944 wrote to memory of 1980	1944	rundll32.exe	rundll32.exe
PID 1944 wrote to memory of 1980	1944	rundll32.exe	rundll32.exe
PID 1944 wrote to memory of 1980	1944	rundll32.exe	rundll32.exe
PID 1944 wrote to memory of 1980	1944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0b3909661093d0d1f2dc6a6cb3e4cfc75e8977de0e2bde3421c167b35992560.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0b3909661093d0d1f2dc6a6cb3e4cfc75e8977de0e2bde3421c167b35992560.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1980

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1980-60-0x0000000000000000-mapping.dmp

Download
memory/1980-61-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1980-62-0x0000000074930000-0x000000007495D000-memory.dmp

Filesize
180KB

Download
memory/1980-64-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download