dridex | ce4da359be70f340f0d9a9d1773f4199598a031cf4369d520c9b65772aa0e52c

Resubmissions

09-10-2024 12:15

241009-pe99ssthnm 10

08-10-2024 23:30

241008-3hkefayclr 10

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 23:30

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General

Target

27108010544878d38e08c20ff65e75d5_JaffaCakes118.dll
Size

184KB
MD5

27108010544878d38e08c20ff65e75d5
SHA1

1c7328cf072a827d8864132552f7d02a827c2b82
SHA256

ce4da359be70f340f0d9a9d1773f4199598a031cf4369d520c9b65772aa0e52c
SHA512

c9eb0cf2a3ecc2aaa463c1716892e534992651d2ef126fc88319b201a7f048f927fbcd1478adb8e9f386a0c33f33e020045ed9029bc491c10223bc42fc7700bb
SSDEEP

3072:ODHMD9LnP1KxPqM8/1xYTCKJJ+xpm2s7E7jnR1VzGQiEFMFPsvQ:+MhP1cq7/16CT9jnR1Vz7iy

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

137.74.112.43:443

216.108.227.55:6225

94.177.176.51:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4340-0-0x0000000074D10000-0x0000000074D40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4436 4340 WerFault.exe 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

Processes:

rundll32.exe

description ioc process

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

pid	pid_target	process	target process
4436	4340	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2300 wrote to memory of 4340	2300	rundll32.exe	rundll32.exe
PID 2300 wrote to memory of 4340	2300	rundll32.exe	rundll32.exe
PID 2300 wrote to memory of 4340	2300	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\27108010544878d38e08c20ff65e75d5_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\27108010544878d38e08c20ff65e75d5_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 612
    3⤵
    - Program crash
    PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4340 -ip 4340
1⤵
PID:3956

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/4340-2-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

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memory/4340-0-0x0000000074D10000-0x0000000074D40000-memory.dmp

Filesize
192KB

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