dridex | 43e4ce9d2a5d999a4f1a10ea28f7197ccb3c42a03496cb4b1ed61c43a822ef47

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 23:31

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General

Target

JaffaCakes118_43e4ce9d2a5d999a4f1a10ea28f7197ccb3c42a03496cb4b1ed61c43a822ef47.dll
Size

161KB
MD5

7a4c0f6c11c6935c0793003fb7d9dcd4
SHA1

a6bb0ad4392f7e6e23a4f35f7e5d8f921f5912f9
SHA256

43e4ce9d2a5d999a4f1a10ea28f7197ccb3c42a03496cb4b1ed61c43a822ef47
SHA512

2044f157bcc7ce5b16da55757f78d7fe560da27c3a850b59b438ac0cd9b2aab0bce25fddccfb1df7f27523029cf6ca01b5dbf84170bbf105ee2470db74ea912e
SSDEEP

3072:1tSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2TGkFY:vnS62Fl+pkeJl3CvRStrFl+EYi

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/1948-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1948-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2420	1948	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 1300 wrote to memory of 1948	1300	rundll32.exe	30
PID 1300 wrote to memory of 1948	1300	rundll32.exe	30
PID 1300 wrote to memory of 1948	1300	rundll32.exe	30
PID 1300 wrote to memory of 1948	1300	rundll32.exe	30
PID 1300 wrote to memory of 1948	1300	rundll32.exe	30
PID 1300 wrote to memory of 1948	1300	rundll32.exe	30
PID 1300 wrote to memory of 1948	1300	rundll32.exe	30
PID 1948 wrote to memory of 2420	1948	rundll32.exe	32
PID 1948 wrote to memory of 2420	1948	rundll32.exe	32
PID 1948 wrote to memory of 2420	1948	rundll32.exe	32
PID 1948 wrote to memory of 2420	1948	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43e4ce9d2a5d999a4f1a10ea28f7197ccb3c42a03496cb4b1ed61c43a822ef47.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43e4ce9d2a5d999a4f1a10ea28f7197ccb3c42a03496cb4b1ed61c43a822ef47.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 256
    3⤵
    - Program crash
    PID:2420

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/1948-1-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1948-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1948-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download