dridex | f79ef92b9021c10017fa6b8e839edd74f1661de93d74625cb027d4c6648ca36d

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 05:42

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General

Target

JaffaCakes118_f79ef92b9021c10017fa6b8e839edd74f1661de93d74625cb027d4c6648ca36d.dll
Size

184KB
MD5

00651fe1659fc81c9800dced8e6e0c76
SHA1

ab5b866b9161eb161ade0131a39c26c861a4af56
SHA256

f79ef92b9021c10017fa6b8e839edd74f1661de93d74625cb027d4c6648ca36d
SHA512

9cf10c80a7594b2366b5e5878ca40e9fc375909d69a7bd6670b301e9ea85e16f9cbbcef278a4b81204cce97f69555279399e51b8f3af1a07805df73f7759c83b
SSDEEP

3072:ciLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoPlzoxss7:ciLVCIT4WK2z1W+CUHZj4Skq/eaoNoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1104-1-0x0000000074A80000-0x0000000074AAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	1104	WerFault.exe	31

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 2332 wrote to memory of 1104	2332	rundll32.exe	31
PID 2332 wrote to memory of 1104	2332	rundll32.exe	31
PID 2332 wrote to memory of 1104	2332	rundll32.exe	31
PID 2332 wrote to memory of 1104	2332	rundll32.exe	31
PID 2332 wrote to memory of 1104	2332	rundll32.exe	31
PID 2332 wrote to memory of 1104	2332	rundll32.exe	31
PID 2332 wrote to memory of 1104	2332	rundll32.exe	31
PID 1104 wrote to memory of 2408	1104	rundll32.exe	32
PID 1104 wrote to memory of 2408	1104	rundll32.exe	32
PID 1104 wrote to memory of 2408	1104	rundll32.exe	32
PID 1104 wrote to memory of 2408	1104	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f79ef92b9021c10017fa6b8e839edd74f1661de93d74625cb027d4c6648ca36d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f79ef92b9021c10017fa6b8e839edd74f1661de93d74625cb027d4c6648ca36d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1104 -s 224
    3⤵
    - Program crash
    PID:2408

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/1104-0-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1104-1-0x0000000074A80000-0x0000000074AAF000-memory.dmp

Filesize
188KB

Download
memory/1104-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download