dridex | bd97efd6c9d177f7124751849fe0dcd64e7104700a27ff9c020eee2480d55432

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:59

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General

Target

JaffaCakes118_bd97efd6c9d177f7124751849fe0dcd64e7104700a27ff9c020eee2480d55432.dll
Size

171KB
MD5

00776dc67abad3c18f043650994e06ff
SHA1

5fcaeeb3fe52d2fb2f375966c5574b081385d4d8
SHA256

bd97efd6c9d177f7124751849fe0dcd64e7104700a27ff9c020eee2480d55432
SHA512

07088f4f63b6eca695602c7d02d31f82664dc67c637664d5e75a20dcfe1c5b539eed6fa8e6af228f69282bb29077ab6b4df2a25eeaa765773d00bc0395e3b8eb
SSDEEP

3072:Ei49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:EH9RVaPEmsdHdbQUbd2H3

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/1036-1-0x0000000075220000-0x0000000075250000-memory.dmp	dridex_ldr
behavioral1/memory/1036-2-0x0000000075220000-0x0000000075250000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	1036	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 2672 wrote to memory of 1036	2672	rundll32.exe	31
PID 2672 wrote to memory of 1036	2672	rundll32.exe	31
PID 2672 wrote to memory of 1036	2672	rundll32.exe	31
PID 2672 wrote to memory of 1036	2672	rundll32.exe	31
PID 2672 wrote to memory of 1036	2672	rundll32.exe	31
PID 2672 wrote to memory of 1036	2672	rundll32.exe	31
PID 2672 wrote to memory of 1036	2672	rundll32.exe	31
PID 1036 wrote to memory of 2800	1036	rundll32.exe	32
PID 1036 wrote to memory of 2800	1036	rundll32.exe	32
PID 1036 wrote to memory of 2800	1036	rundll32.exe	32
PID 1036 wrote to memory of 2800	1036	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bd97efd6c9d177f7124751849fe0dcd64e7104700a27ff9c020eee2480d55432.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bd97efd6c9d177f7124751849fe0dcd64e7104700a27ff9c020eee2480d55432.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 256
    3⤵
    - Program crash
    PID:2800

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/1036-0-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/1036-1-0x0000000075220000-0x0000000075250000-memory.dmp

Filesize
192KB

Download
memory/1036-3-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/1036-2-0x0000000075220000-0x0000000075250000-memory.dmp

Filesize
192KB

Download