dridex | bf9d1af69d1ede9b7cbc823843f0386e6b08f8c0195ec1efde9edd558e2c20b9

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 03:17

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General

Target

JaffaCakes118_bf9d1af69d1ede9b7cbc823843f0386e6b08f8c0195ec1efde9edd558e2c20b9.dll
Size

161KB
MD5

818cb5378f6e5a62870c9db8a4272550
SHA1

8b685f22a1aa968c1c6ebfde9943c6d3ac28df7b
SHA256

bf9d1af69d1ede9b7cbc823843f0386e6b08f8c0195ec1efde9edd558e2c20b9
SHA512

a86426c8a3a89fa6d1b99cca7714d83586ac50e826c61a636a02f4b7185e9c6e01c324ac89457ee0dc8a4bcf187011505c1e102782119ebd7013b59acdab7d5d
SSDEEP

3072:yoSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2aGkFY:ZnS62Fl+pkeJl3CvRStrFl+EYn

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/2684-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2684-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2772	2684	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 2648 wrote to memory of 2684	2648	rundll32.exe	30
PID 2648 wrote to memory of 2684	2648	rundll32.exe	30
PID 2648 wrote to memory of 2684	2648	rundll32.exe	30
PID 2648 wrote to memory of 2684	2648	rundll32.exe	30
PID 2648 wrote to memory of 2684	2648	rundll32.exe	30
PID 2648 wrote to memory of 2684	2648	rundll32.exe	30
PID 2648 wrote to memory of 2684	2648	rundll32.exe	30
PID 2684 wrote to memory of 2772	2684	rundll32.exe	31
PID 2684 wrote to memory of 2772	2684	rundll32.exe	31
PID 2684 wrote to memory of 2772	2684	rundll32.exe	31
PID 2684 wrote to memory of 2772	2684	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf9d1af69d1ede9b7cbc823843f0386e6b08f8c0195ec1efde9edd558e2c20b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf9d1af69d1ede9b7cbc823843f0386e6b08f8c0195ec1efde9edd558e2c20b9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 256
    3⤵
    - Program crash
    PID:2772

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/2684-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2684-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2684-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download