dridex | a9fdd49ebd5bf60165b2a69dc2e35cf044799d1823da6ac959864c092f10657d

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 21:57

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General

Target

JaffaCakes118_a9fdd49ebd5bf60165b2a69dc2e35cf044799d1823da6ac959864c092f10657d.dll
Size

184KB
MD5

0374f3e5e3cce55f71d4264579492f18
SHA1

afe4ac97c2e440e3722f71ab0045487f7905047b
SHA256

a9fdd49ebd5bf60165b2a69dc2e35cf044799d1823da6ac959864c092f10657d
SHA512

1cfe860e5bd43719c8fed1772efe3e4943a46b1c8c56aa2faf658cbfe49442f52fb208307fb5fe91452b9323c64330f817ed353c7fea039808c3666e21159332
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoWlzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaoEoC

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/2776-0-0x0000000074EF0000-0x0000000074F1F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1944	2776	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 1520 wrote to memory of 2776	1520	rundll32.exe	30
PID 1520 wrote to memory of 2776	1520	rundll32.exe	30
PID 1520 wrote to memory of 2776	1520	rundll32.exe	30
PID 1520 wrote to memory of 2776	1520	rundll32.exe	30
PID 1520 wrote to memory of 2776	1520	rundll32.exe	30
PID 1520 wrote to memory of 2776	1520	rundll32.exe	30
PID 1520 wrote to memory of 2776	1520	rundll32.exe	30
PID 2776 wrote to memory of 1944	2776	rundll32.exe	31
PID 2776 wrote to memory of 1944	2776	rundll32.exe	31
PID 2776 wrote to memory of 1944	2776	rundll32.exe	31
PID 2776 wrote to memory of 1944	2776	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9fdd49ebd5bf60165b2a69dc2e35cf044799d1823da6ac959864c092f10657d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a9fdd49ebd5bf60165b2a69dc2e35cf044799d1823da6ac959864c092f10657d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 220
    3⤵
    - Program crash
    PID:1944

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/2776-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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memory/2776-0-0x0000000074EF0000-0x0000000074F1F000-memory.dmp

Filesize
188KB

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