dridex | b3d61ca4f48ac6d0e08fbb08e70f57b8619f09fc5c28c130e84848301b906cdf

Analysis

max time kernel
92s
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
30-12-2024 21:29

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General

Target

JaffaCakes118_b3d61ca4f48ac6d0e08fbb08e70f57b8619f09fc5c28c130e84848301b906cdf.dll
Size

184KB
MD5

af1bd2e5bdee86bf9e1451e711194f53
SHA1

846a4536c6fbd4be099e15f3638fb1392f5f2ce8
SHA256

b3d61ca4f48ac6d0e08fbb08e70f57b8619f09fc5c28c130e84848301b906cdf
SHA512

98178bfb308b9663aefcc62ed17479f181b84c96cf33faf7066f1d3fb717f86f3baee76020941137f4556bca0d18df2e19ca661997b8b1c3192e15d9d62a06b7
SSDEEP

3072:B92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTkrLA:B9NSMOEpQ1Q3ODAr+VA

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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
behavioral2/memory/2128-0-0x0000000074F10000-0x0000000074F3F000-memory.dmp	dridex_ldr
behavioral2/memory/2128-3-0x0000000074F10000-0x0000000074F3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4180	2128	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 2128	540	rundll32.exe	83
PID 540 wrote to memory of 2128	540	rundll32.exe	83
PID 540 wrote to memory of 2128	540	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3d61ca4f48ac6d0e08fbb08e70f57b8619f09fc5c28c130e84848301b906cdf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3d61ca4f48ac6d0e08fbb08e70f57b8619f09fc5c28c130e84848301b906cdf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 616
    3⤵
    - Program crash
    PID:4180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
1⤵
PID:4816

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/2128-2-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/2128-0-0x0000000074F10000-0x0000000074F3F000-memory.dmp

Filesize
188KB

Download
memory/2128-3-0x0000000074F10000-0x0000000074F3F000-memory.dmp

Filesize
188KB

Download