dridex | f619d455a4da225aa821bd5edfef48919e30f6633f9f6b1d2d65e5ef8b8d0af0

Analysis

max time kernel
26s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 03:00

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General

Target

f619d455a4da225aa821bd5edfef48919e30f6633f9f6b1d2d65e5ef8b8d0af0.dll
Size

162KB
MD5

e0a52ac909893820b77e1a8fcfc448c2
SHA1

cfdf0996be1b8f650506fe73e2a3e4dcb561254e
SHA256

f619d455a4da225aa821bd5edfef48919e30f6633f9f6b1d2d65e5ef8b8d0af0
SHA512

8650795be7c5ddb5dd15d2fd30df6cef9c010900119c1e56097e7bd8abf2295c483a07ee03a8c4c2a956638920584eb070064885100e1f2c5296e7e4d1124596

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/904-115-0x00000000735F0000-0x000000007361E000-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 596 wrote to memory of 904	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 904	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 904	596	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f619d455a4da225aa821bd5edfef48919e30f6633f9f6b1d2d65e5ef8b8d0af0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f619d455a4da225aa821bd5edfef48919e30f6633f9f6b1d2d65e5ef8b8d0af0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:904

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/904-114-0x0000000000000000-mapping.dmp

Download
memory/904-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Filesize
184KB

Download
memory/904-117-0x00000000023F0000-0x00000000023F6000-memory.dmp

Filesize
24KB

Download