dridex | c85f693ae0582fa516964ceaacc1185a81ffad9fbb7a410694664bcde207b10c

Analysis

max time kernel
61s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 00:41

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General

Target

f921953c7e21c92323fdc352aee90760N.dll
Size

175KB
MD5

f921953c7e21c92323fdc352aee90760
SHA1

ce7687ef33d5d23e292f5275ac939301a7bdd57a
SHA256

c85f693ae0582fa516964ceaacc1185a81ffad9fbb7a410694664bcde207b10c
SHA512

76847fabf2cdeefd9837443aa723d082cc2713a3b096a54262e7543b1453a4a57993d03eea56df6a42b460cd3d454f7c64b62a864e72efe6f2042f10ed7cb4f6
SSDEEP

3072:+UmpydLCFTvpvHZPYhIK2eX0wb0i/WrNnjgu45JCVmy4igfz3UIpjXZ:hmgpyZKCheFR/S/4uVZYfz3UIpj

Score

10^/10

dridex 22201 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

96.30.31.236:2303

162.214.106.107:13783

46.231.204.10:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/3960-0-0x0000000075900000-0x0000000075930000-memory.dmp	dridex_ldr
behavioral2/memory/3960-3-0x0000000075900000-0x0000000075930000-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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 996 wrote to memory of 3960	996	rundll32.exe	84
PID 996 wrote to memory of 3960	996	rundll32.exe	84
PID 996 wrote to memory of 3960	996	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f921953c7e21c92323fdc352aee90760N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f921953c7e21c92323fdc352aee90760N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3960-0-0x0000000075900000-0x0000000075930000-memory.dmp

Filesize
192KB

Download
memory/3960-2-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/3960-3-0x0000000075900000-0x0000000075930000-memory.dmp

Filesize
192KB

Download