dridex | 0b1ef0dcb1acdd3f29ec7e4363ec21b8705f798ec61f37a49e9a0fb5444284f2

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 22:18

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General

Target

JaffaCakes118_0b1ef0dcb1acdd3f29ec7e4363ec21b8705f798ec61f37a49e9a0fb5444284f2.dll
Size

184KB
MD5

ee38ae6d29b4a97003b46ad7eb43af6c
SHA1

3265d4ee7a24db7a06ec723b6eda4c0a7f5ca288
SHA256

0b1ef0dcb1acdd3f29ec7e4363ec21b8705f798ec61f37a49e9a0fb5444284f2
SHA512

4e19cbe05d3b7e11b5add4de3cde20fb47f59a3188a231b2617f305a283985683bf8e2b88448b77715d9f1d6e1ae363373f302d2a79ccf6216a32f8239b66981
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoslzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaoSoC

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/2256-1-0x0000000074A10000-0x0000000074A3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	2256	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 1700 wrote to memory of 2256	1700	rundll32.exe	30
PID 1700 wrote to memory of 2256	1700	rundll32.exe	30
PID 1700 wrote to memory of 2256	1700	rundll32.exe	30
PID 1700 wrote to memory of 2256	1700	rundll32.exe	30
PID 1700 wrote to memory of 2256	1700	rundll32.exe	30
PID 1700 wrote to memory of 2256	1700	rundll32.exe	30
PID 1700 wrote to memory of 2256	1700	rundll32.exe	30
PID 2256 wrote to memory of 2788	2256	rundll32.exe	31
PID 2256 wrote to memory of 2788	2256	rundll32.exe	31
PID 2256 wrote to memory of 2788	2256	rundll32.exe	31
PID 2256 wrote to memory of 2788	2256	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b1ef0dcb1acdd3f29ec7e4363ec21b8705f798ec61f37a49e9a0fb5444284f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b1ef0dcb1acdd3f29ec7e4363ec21b8705f798ec61f37a49e9a0fb5444284f2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 220
    3⤵
    - Program crash
    PID:2788

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/2256-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2256-1-0x0000000074A10000-0x0000000074A3F000-memory.dmp

Filesize
188KB

Download
memory/2256-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download