dridex | a798315dbf0e3d01c5754939d0a9315c7965c1f06c73568f8e09f88aed5aa543

Analysis

max time kernel
112s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:08

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General

Target

a798315dbf0e3d01c5754939d0a9315c7965c1f06c73568f8e09f88aed5aa543.dll
Size

154KB
MD5

d27a0fe063cc839e1b672356e975d4f6
SHA1

0d6b255148715f437e49b66f383e13242a8c489d
SHA256

a798315dbf0e3d01c5754939d0a9315c7965c1f06c73568f8e09f88aed5aa543
SHA512

d7d64e29e0d55a9751c72d0600bdc96f23e47f08812086670983c8715d29033378218506388445f1dd4d9bf259e417bbe5590dcd0d1e434e8431032631e9b2f9

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/3700-115-0x00000000739D0000-0x00000000739FD000-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 3744 wrote to memory of 3700	3744	rundll32.exe	rundll32.exe
PID 3744 wrote to memory of 3700	3744	rundll32.exe	rundll32.exe
PID 3744 wrote to memory of 3700	3744	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a798315dbf0e3d01c5754939d0a9315c7965c1f06c73568f8e09f88aed5aa543.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a798315dbf0e3d01c5754939d0a9315c7965c1f06c73568f8e09f88aed5aa543.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3700

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/3700-114-0x0000000000000000-mapping.dmp

Download
memory/3700-115-0x00000000739D0000-0x00000000739FD000-memory.dmp

Filesize
180KB

Download
memory/3700-117-0x0000000003020000-0x0000000003026000-memory.dmp

Filesize
24KB

Download