dridex | 836b9f7053f997e45da47054e1ea29af4fb9005eb7c52ebce7f57f0effe8ff43

Analysis

max time kernel
35s
max time network
42s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:03

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General

Target

836b9f7053f997e45da47054e1ea29af4fb9005eb7c52ebce7f57f0effe8ff43.dll
Size

157KB
MD5

7367cad5654b7639975669f673549eff
SHA1

60127b523369b31a5330d8c0265b7d5ed05be67b
SHA256

836b9f7053f997e45da47054e1ea29af4fb9005eb7c52ebce7f57f0effe8ff43
SHA512

052f7612bea8b0d6d568b20926890194e644ab9c15d2cc17fc9ec853fbbf2c1c9d7fff71d09136009451b92fe7e3c05b3647766e1cd48af4fc56cdda725816c8

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/3740-115-0x0000000073F20000-0x0000000073F4D000-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 4044 wrote to memory of 3740	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 3740	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 3740	4044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\836b9f7053f997e45da47054e1ea29af4fb9005eb7c52ebce7f57f0effe8ff43.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\836b9f7053f997e45da47054e1ea29af4fb9005eb7c52ebce7f57f0effe8ff43.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3740

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/3740-114-0x0000000000000000-mapping.dmp

Download
memory/3740-115-0x0000000073F20000-0x0000000073F4D000-memory.dmp

Filesize
180KB

Download
memory/3740-117-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Filesize
24KB

Download