dridex | a3ff90bfeac642a33cab5a612923d6c039641377fda3dd7a13aef394121b1c5e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:04

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General

Target

JaffaCakes118_a3ff90bfeac642a33cab5a612923d6c039641377fda3dd7a13aef394121b1c5e.dll
Size

184KB
MD5

26d04d318ebd5d53ce3c7accb05a4469
SHA1

d9823da9f1a60ddd5724d8eae79f384acd7bd510
SHA256

a3ff90bfeac642a33cab5a612923d6c039641377fda3dd7a13aef394121b1c5e
SHA512

ecf5453630ab129057f730793508d432f64d54415660d7f76b3d6e0e420f0429883f99c0504ef17d847cfe57351d1a5f710883be420b2f536ff0cd0e61114d86
SSDEEP

3072:RiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoZlzoxss7:RiLVCIT4WK2z1W+CUHZj4Skq/eaoHoC

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/828-1-0x0000000075360000-0x000000007538F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1932	828	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 1976 wrote to memory of 828	1976	rundll32.exe	30
PID 1976 wrote to memory of 828	1976	rundll32.exe	30
PID 1976 wrote to memory of 828	1976	rundll32.exe	30
PID 1976 wrote to memory of 828	1976	rundll32.exe	30
PID 1976 wrote to memory of 828	1976	rundll32.exe	30
PID 1976 wrote to memory of 828	1976	rundll32.exe	30
PID 1976 wrote to memory of 828	1976	rundll32.exe	30
PID 828 wrote to memory of 1932	828	rundll32.exe	32
PID 828 wrote to memory of 1932	828	rundll32.exe	32
PID 828 wrote to memory of 1932	828	rundll32.exe	32
PID 828 wrote to memory of 1932	828	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3ff90bfeac642a33cab5a612923d6c039641377fda3dd7a13aef394121b1c5e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3ff90bfeac642a33cab5a612923d6c039641377fda3dd7a13aef394121b1c5e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 828 -s 220
    3⤵
    - Program crash
    PID:1932

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/828-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/828-1-0x0000000075360000-0x000000007538F000-memory.dmp

Filesize
188KB

Download
memory/828-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download