dridex | f23c511a4dfc39cb012f58f2ecb9e4d760cf0f4533ba4c8bd66e7a802d43a152

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 18:07

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General

Target

JaffaCakes118_f23c511a4dfc39cb012f58f2ecb9e4d760cf0f4533ba4c8bd66e7a802d43a152.dll
Size

161KB
MD5

603904b94e593a2b0b15d59e4e65bd28
SHA1

8c6724f2d7b706aca9b351749af202432cd119c6
SHA256

f23c511a4dfc39cb012f58f2ecb9e4d760cf0f4533ba4c8bd66e7a802d43a152
SHA512

37eb5b3ebe087bc915af0699f80ca30993e4bd7cb68121b88d799b59645b693d5b9311dc7a7c51577f7998b66a8ff56a4c20a4c5e3f51c10885e17b35251c198
SSDEEP

3072:cgSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2ZGkFY:7nS62Fl+pkeJl3CvRStrFl+EYM

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2252-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2252-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	2252	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 2652 wrote to memory of 2252	2652	rundll32.exe	30
PID 2652 wrote to memory of 2252	2652	rundll32.exe	30
PID 2652 wrote to memory of 2252	2652	rundll32.exe	30
PID 2652 wrote to memory of 2252	2652	rundll32.exe	30
PID 2652 wrote to memory of 2252	2652	rundll32.exe	30
PID 2652 wrote to memory of 2252	2652	rundll32.exe	30
PID 2652 wrote to memory of 2252	2652	rundll32.exe	30
PID 2252 wrote to memory of 2780	2252	rundll32.exe	31
PID 2252 wrote to memory of 2780	2252	rundll32.exe	31
PID 2252 wrote to memory of 2780	2252	rundll32.exe	31
PID 2252 wrote to memory of 2780	2252	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f23c511a4dfc39cb012f58f2ecb9e4d760cf0f4533ba4c8bd66e7a802d43a152.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f23c511a4dfc39cb012f58f2ecb9e4d760cf0f4533ba4c8bd66e7a802d43a152.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 256
    3⤵
    - Program crash
    PID:2780

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/2252-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2252-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2252-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2252-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download