dridex | 1999607a5285c773c49ce93ce20cb86ea7afd87ca2d016e0264c9c2b0a41ee46

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:01

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General

Target

JaffaCakes118_1999607a5285c773c49ce93ce20cb86ea7afd87ca2d016e0264c9c2b0a41ee46.dll
Size

177KB
MD5

6c5012799ecc9b62d5642e50aa28b629
SHA1

1189ad2efbaad1dedb420e75f4ae406390ff101c
SHA256

1999607a5285c773c49ce93ce20cb86ea7afd87ca2d016e0264c9c2b0a41ee46
SHA512

dfd7ff34588f7fe9e2c0683547fa260ab44e172612ef946332f693d1fe8d55b05af8ac4faaf6792a31c627e191d2aae778d9a293c94e5eebaa91faf89fdcdf87
SSDEEP

3072:TuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:3zWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2084-1-0x0000000074C90000-0x0000000074CC1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	2084	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2084	2648	rundll32.exe	31
PID 2648 wrote to memory of 2084	2648	rundll32.exe	31
PID 2648 wrote to memory of 2084	2648	rundll32.exe	31
PID 2648 wrote to memory of 2084	2648	rundll32.exe	31
PID 2648 wrote to memory of 2084	2648	rundll32.exe	31
PID 2648 wrote to memory of 2084	2648	rundll32.exe	31
PID 2648 wrote to memory of 2084	2648	rundll32.exe	31
PID 2084 wrote to memory of 2812	2084	rundll32.exe	32
PID 2084 wrote to memory of 2812	2084	rundll32.exe	32
PID 2084 wrote to memory of 2812	2084	rundll32.exe	32
PID 2084 wrote to memory of 2812	2084	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1999607a5285c773c49ce93ce20cb86ea7afd87ca2d016e0264c9c2b0a41ee46.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1999607a5285c773c49ce93ce20cb86ea7afd87ca2d016e0264c9c2b0a41ee46.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 220
    3⤵
    - Program crash
    PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2084-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2084-1-0x0000000074C90000-0x0000000074CC1000-memory.dmp

Filesize
196KB

Download
memory/2084-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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