dridex | 7cf9b9b4e56314bd005fbeccd5f72cc09af815c18379a5710d8ffb680cfdd45b

Analysis

max time kernel
60s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 17:44

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General

Target

JaffaCakes118_7cf9b9b4e56314bd005fbeccd5f72cc09af815c18379a5710d8ffb680cfdd45b.dll
Size

162KB
MD5

cec7b3077ebd137bc3b3aa27b2dc3015
SHA1

c623a0a3351eaeab44090388f3e872dae9c43094
SHA256

7cf9b9b4e56314bd005fbeccd5f72cc09af815c18379a5710d8ffb680cfdd45b
SHA512

800731f8f0d48bc086d6a5b0ba11d2647f7879ace7e7968f7c40b9d3103d42d7f93148544d44d000b13aa890e4b6fa8bd7216cdd90485f7ab30c8f82c7053cc3
SSDEEP

3072:omNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:xLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery 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 family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4272-0-0x0000000075590000-0x00000000755BE000-memory.dmp	dridex_ldr
behavioral2/memory/4272-3-0x0000000075590000-0x00000000755BE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 4272	4528	rundll32.exe	83
PID 4528 wrote to memory of 4272	4528	rundll32.exe	83
PID 4528 wrote to memory of 4272	4528	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7cf9b9b4e56314bd005fbeccd5f72cc09af815c18379a5710d8ffb680cfdd45b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7cf9b9b4e56314bd005fbeccd5f72cc09af815c18379a5710d8ffb680cfdd45b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4272

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/4272-0-0x0000000075590000-0x00000000755BE000-memory.dmp

Filesize
184KB

Download
memory/4272-2-0x0000000001160000-0x0000000001166000-memory.dmp

Filesize
24KB

Download
memory/4272-3-0x0000000075590000-0x00000000755BE000-memory.dmp

Filesize
184KB

Download