dridex | 7e1b40e2eef9f61fdfa320c4fe9046ac575112f908cd1c1a0bbe78957c539205

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:42

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General

Target

JaffaCakes118_7e1b40e2eef9f61fdfa320c4fe9046ac575112f908cd1c1a0bbe78957c539205.dll
Size

188KB
MD5

0b06a05cfb7c4c0dff6f8260f30e6714
SHA1

970516963e4672941278fe106f5a1de57b91ecd9
SHA256

7e1b40e2eef9f61fdfa320c4fe9046ac575112f908cd1c1a0bbe78957c539205
SHA512

23a256d5ef61f43aa869d985700ea0547fd53384ec4376c972b571e001d1046731e6ee18092af1a08aa2b6ab301f8fba58ecd719e0f56036430e2fcac7045229
SSDEEP

3072:VA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAopo:VzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/1640-1-0x0000000075190000-0x00000000751C0000-memory.dmp	dridex_ldr
behavioral1/memory/1640-2-0x0000000075190000-0x00000000751C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2108	1640	WerFault.exe	28

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 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 1640 wrote to memory of 2108	1640	rundll32.exe	29
PID 1640 wrote to memory of 2108	1640	rundll32.exe	29
PID 1640 wrote to memory of 2108	1640	rundll32.exe	29
PID 1640 wrote to memory of 2108	1640	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e1b40e2eef9f61fdfa320c4fe9046ac575112f908cd1c1a0bbe78957c539205.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e1b40e2eef9f61fdfa320c4fe9046ac575112f908cd1c1a0bbe78957c539205.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 300
    3⤵
    - Program crash
    PID:2108

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/1640-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1640-1-0x0000000075190000-0x00000000751C0000-memory.dmp

Filesize
192KB

Download
memory/1640-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1640-2-0x0000000075190000-0x00000000751C0000-memory.dmp

Filesize
192KB

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