dridex | bc94bc899d641ce4244841b3e7f69cbc735384898e9d2f2e80cacf13fb99d726

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 19:16

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General

Target

JaffaCakes118_bc94bc899d641ce4244841b3e7f69cbc735384898e9d2f2e80cacf13fb99d726.dll
Size

188KB
MD5

feee501d6f1cf51ddcf4904d4cc0d461
SHA1

a57e0a3c3076d227b2dd69548d3f626d26eb4b2e
SHA256

bc94bc899d641ce4244841b3e7f69cbc735384898e9d2f2e80cacf13fb99d726
SHA512

7daf8617209adad73ebc3f3aa76029137b4bc117de5898383309922720e3aca1e3d41b0ca6ee101e7bb443242a44075e9c8eee53fe76c19b44af034ebb06a30b
SSDEEP

3072:xteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzq9qM:dq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/2500-1-0x0000000075080000-0x00000000750B0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2548	2500	WerFault.exe	30

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 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2500 wrote to memory of 2548	2500	rundll32.exe	32
PID 2500 wrote to memory of 2548	2500	rundll32.exe	32
PID 2500 wrote to memory of 2548	2500	rundll32.exe	32
PID 2500 wrote to memory of 2548	2500	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc94bc899d641ce4244841b3e7f69cbc735384898e9d2f2e80cacf13fb99d726.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc94bc899d641ce4244841b3e7f69cbc735384898e9d2f2e80cacf13fb99d726.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 300
    3⤵
    - Program crash
    PID:2548

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

Replay Monitor

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Downloads

memory/2500-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2500-1-0x0000000075080000-0x00000000750B0000-memory.dmp

Filesize
192KB

Download
memory/2500-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download