dridex | caac84e79eeb91deeb0f7a2cbdf153a7f1f12574f7ecbef88b1e2bca7eff03fc

Analysis

max time kernel
84s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 15:20

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General

Target

JaffaCakes118_caac84e79eeb91deeb0f7a2cbdf153a7f1f12574f7ecbef88b1e2bca7eff03fc.dll
Size

161KB
MD5

f6dfc7a9537a079eefc1d4f28ab31200
SHA1

0a14533af74fb348aa7f2867aefb16b67985b437
SHA256

caac84e79eeb91deeb0f7a2cbdf153a7f1f12574f7ecbef88b1e2bca7eff03fc
SHA512

679a25549d40bf20112882755aa4df2ab9bab2bb6a3d41350f8a10346ad111852070ad78dbd5d43d95a36f57b6388db92eff994ffc2e53e4c8e314b3ebcf37d4
SSDEEP

3072:RaSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2BGkFY:MnS62Fl+pkeJl3CvRStrFl+EYE

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/2340-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2340-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2596	2340	WerFault.exe	29

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 2336 wrote to memory of 2340	2336	rundll32.exe	29
PID 2336 wrote to memory of 2340	2336	rundll32.exe	29
PID 2336 wrote to memory of 2340	2336	rundll32.exe	29
PID 2336 wrote to memory of 2340	2336	rundll32.exe	29
PID 2336 wrote to memory of 2340	2336	rundll32.exe	29
PID 2336 wrote to memory of 2340	2336	rundll32.exe	29
PID 2336 wrote to memory of 2340	2336	rundll32.exe	29
PID 2340 wrote to memory of 2596	2340	rundll32.exe	30
PID 2340 wrote to memory of 2596	2340	rundll32.exe	30
PID 2340 wrote to memory of 2596	2340	rundll32.exe	30
PID 2340 wrote to memory of 2596	2340	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_caac84e79eeb91deeb0f7a2cbdf153a7f1f12574f7ecbef88b1e2bca7eff03fc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_caac84e79eeb91deeb0f7a2cbdf153a7f1f12574f7ecbef88b1e2bca7eff03fc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 256
    3⤵
    - Program crash
    PID:2596

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/2340-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2340-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2340-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2340-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download