dridex | 634d248f8934b7679fd9b24b0655eef49778939f3ded5e16ffcf6c9747d4e518

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 10:40

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General

Target

JaffaCakes118_634d248f8934b7679fd9b24b0655eef49778939f3ded5e16ffcf6c9747d4e518.dll
Size

171KB
MD5

b2711c3f1d28d1ae694fc8975738979e
SHA1

283b9a59de76334804a2cc1a9a07b42a3014f0c8
SHA256

634d248f8934b7679fd9b24b0655eef49778939f3ded5e16ffcf6c9747d4e518
SHA512

816ce5bc009faf194556dd1da9ae0d157dfa7d07af27dca6cbc2584d8ce2a84378d4d9d900e0c78141c8df52280022076a76678929cdb5543b48539370e518f5
SSDEEP

3072:di49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:dH9RVaPEmsdHdbQUbd2H3

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/2152-1-0x00000000753E0000-0x0000000075410000-memory.dmp	dridex_ldr
behavioral1/memory/2152-2-0x00000000753E0000-0x0000000075410000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2172	2152	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 2132 wrote to memory of 2152	2132	rundll32.exe	30
PID 2132 wrote to memory of 2152	2132	rundll32.exe	30
PID 2132 wrote to memory of 2152	2132	rundll32.exe	30
PID 2132 wrote to memory of 2152	2132	rundll32.exe	30
PID 2132 wrote to memory of 2152	2132	rundll32.exe	30
PID 2132 wrote to memory of 2152	2132	rundll32.exe	30
PID 2132 wrote to memory of 2152	2132	rundll32.exe	30
PID 2152 wrote to memory of 2172	2152	rundll32.exe	31
PID 2152 wrote to memory of 2172	2152	rundll32.exe	31
PID 2152 wrote to memory of 2172	2152	rundll32.exe	31
PID 2152 wrote to memory of 2172	2152	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_634d248f8934b7679fd9b24b0655eef49778939f3ded5e16ffcf6c9747d4e518.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_634d248f8934b7679fd9b24b0655eef49778939f3ded5e16ffcf6c9747d4e518.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 264
    3⤵
    - Program crash
    PID:2172

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/2152-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2152-1-0x00000000753E0000-0x0000000075410000-memory.dmp

Filesize
192KB

Download
memory/2152-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2152-2-0x00000000753E0000-0x0000000075410000-memory.dmp

Filesize
192KB

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