dridex | ea26748f80637a01434f9895bf3b20a64545689a5d0699c5aadca6e0548e4b74

Analysis

max time kernel
100s
max time network
103s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:08

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General

Target

ea26748f80637a01434f9895bf3b20a64545689a5d0699c5aadca6e0548e4b74.dll
Size

154KB
MD5

b8cd1e6dbe65979d0234c950fb77c628
SHA1

7050236ca9de047992c2f24455b7002469ef7caf
SHA256

ea26748f80637a01434f9895bf3b20a64545689a5d0699c5aadca6e0548e4b74
SHA512

54b42d27e777ccc204c51b56631ff4a1ea61969a845e8fafa5352a4f42c93d8490a88b4225f89a5e7121cf9652d791a2c5174e1d10795758ab2ee3c214650aea

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/3936-115-0x00000000755E0000-0x000000007560D000-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 3944 wrote to memory of 3936	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3936	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3936	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea26748f80637a01434f9895bf3b20a64545689a5d0699c5aadca6e0548e4b74.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea26748f80637a01434f9895bf3b20a64545689a5d0699c5aadca6e0548e4b74.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3936

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/3936-114-0x0000000000000000-mapping.dmp

Download
memory/3936-115-0x00000000755E0000-0x000000007560D000-memory.dmp

Filesize
180KB

Download
memory/3936-117-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download