dridex | 51c2f5f7cbf37e8efe86c9d916a0315a58ef509bba7ff5c08d669be0b98bd019

Analysis

max time kernel
57s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:14

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General

Target

JaffaCakes118_51c2f5f7cbf37e8efe86c9d916a0315a58ef509bba7ff5c08d669be0b98bd019.dll
Size

160KB
MD5

38106eb0bc928fabc5473ae7c3a37f4c
SHA1

88e599ac891745015ae57e404e26951e5cc71e77
SHA256

51c2f5f7cbf37e8efe86c9d916a0315a58ef509bba7ff5c08d669be0b98bd019
SHA512

e3777a421768c0491bd78f56e2dfab47929154d8b1ae0d4ca0a67a63f303507317923e609f1025bbb458c33aedef4d2937974337e492e73280e60e070e42062e
SSDEEP

3072:quT2d85tleLD51fC5AHYEoefukoTFMpGmjb8D:uy5tAL11fNHYafoMpX

Score

10^/10

dridex 22201 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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
behavioral1/memory/2540-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2540-2-0x0000000010000000-0x000000001002E000-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 7 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51c2f5f7cbf37e8efe86c9d916a0315a58ef509bba7ff5c08d669be0b98bd019.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51c2f5f7cbf37e8efe86c9d916a0315a58ef509bba7ff5c08d669be0b98bd019.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2540

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

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Downloads

memory/2540-0-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2540-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2540-3-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2540-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download