dridex | b62df70c6acc57dbf660a1dc5e9a09d1f8427348d372666332bfa9e946208807

Analysis

max time kernel
91s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:17

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General

Target

JaffaCakes118_b62df70c6acc57dbf660a1dc5e9a09d1f8427348d372666332bfa9e946208807.dll
Size

188KB
MD5

0479c4ef2b91fd2be40afe0a930ba753
SHA1

2bf5913ddd689d59440dd749647cf4e38fe076da
SHA256

b62df70c6acc57dbf660a1dc5e9a09d1f8427348d372666332bfa9e946208807
SHA512

a552ad71bb768498d558f34f29c47853539f04c035239a3d1589305f5adf327363cf2a670f8089492966b91edd6aaa3bed1ee9e3056e09684fd4657d6222bd0d
SSDEEP

3072:UA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAofo:UzIqATVfQeV2FZalKq6jtGJWuTmd

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2440-1-0x0000000074B10000-0x0000000074B40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2076	2440	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 2748 wrote to memory of 2440	2748	rundll32.exe	30
PID 2748 wrote to memory of 2440	2748	rundll32.exe	30
PID 2748 wrote to memory of 2440	2748	rundll32.exe	30
PID 2748 wrote to memory of 2440	2748	rundll32.exe	30
PID 2748 wrote to memory of 2440	2748	rundll32.exe	30
PID 2748 wrote to memory of 2440	2748	rundll32.exe	30
PID 2748 wrote to memory of 2440	2748	rundll32.exe	30
PID 2440 wrote to memory of 2076	2440	rundll32.exe	31
PID 2440 wrote to memory of 2076	2440	rundll32.exe	31
PID 2440 wrote to memory of 2076	2440	rundll32.exe	31
PID 2440 wrote to memory of 2076	2440	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b62df70c6acc57dbf660a1dc5e9a09d1f8427348d372666332bfa9e946208807.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b62df70c6acc57dbf660a1dc5e9a09d1f8427348d372666332bfa9e946208807.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 300
    3⤵
    - Program crash
    PID:2076

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/2440-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2440-1-0x0000000074B10000-0x0000000074B40000-memory.dmp

Filesize
192KB

Download
memory/2440-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download