dridex | 4f8a2e843c799cf1221c247dcf4a637e27fa0497be8d5294dd3a0075ebee466a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:36

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General

Target

JaffaCakes118_4f8a2e843c799cf1221c247dcf4a637e27fa0497be8d5294dd3a0075ebee466a.dll
Size

184KB
MD5

329386b1476274a0c6583fdd69bb8db4
SHA1

aba6e0faae2c94224afe4c1e372d556e3418c442
SHA256

4f8a2e843c799cf1221c247dcf4a637e27fa0497be8d5294dd3a0075ebee466a
SHA512

61f408c16ffb65f418177011b5344071f5cd768789ead0fbb5cbd13765111157f16d7f704c791d7815630814de11196cf6cb3addb04997f9f4f7ceb23fab4265
SSDEEP

3072:fJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J2a//2uFrSc:MfYOX+wTScR/Xzku9LVwNuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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
behavioral1/memory/2052-1-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr
behavioral1/memory/2052-2-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3032	2052	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 2104 wrote to memory of 2052	2104	rundll32.exe	30
PID 2104 wrote to memory of 2052	2104	rundll32.exe	30
PID 2104 wrote to memory of 2052	2104	rundll32.exe	30
PID 2104 wrote to memory of 2052	2104	rundll32.exe	30
PID 2104 wrote to memory of 2052	2104	rundll32.exe	30
PID 2104 wrote to memory of 2052	2104	rundll32.exe	30
PID 2104 wrote to memory of 2052	2104	rundll32.exe	30
PID 2052 wrote to memory of 3032	2052	rundll32.exe	32
PID 2052 wrote to memory of 3032	2052	rundll32.exe	32
PID 2052 wrote to memory of 3032	2052	rundll32.exe	32
PID 2052 wrote to memory of 3032	2052	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f8a2e843c799cf1221c247dcf4a637e27fa0497be8d5294dd3a0075ebee466a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f8a2e843c799cf1221c247dcf4a637e27fa0497be8d5294dd3a0075ebee466a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 220
    3⤵
    - Program crash
    PID:3032

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/2052-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2052-1-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

Download
memory/2052-2-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

Download
memory/2052-4-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download