dridex | a7b849a715e5f625008d7aaabbd17542547c32c461fe6e871dcb0e3ca4c09f7e

Analysis

max time kernel
26s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 20:52

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General

Target

JaffaCakes118_a7b849a715e5f625008d7aaabbd17542547c32c461fe6e871dcb0e3ca4c09f7e.dll
Size

188KB
MD5

02c94bdf754b67c14dce0b63d68c5455
SHA1

72475dd094893bae9969e7f7aa58c240242b627b
SHA256

a7b849a715e5f625008d7aaabbd17542547c32c461fe6e871dcb0e3ca4c09f7e
SHA512

f1725fef8e8ee29083218d8b5f3daf47cc727430576be3af38b1c8cd4f4915aece2016e0a372f20da538d57c5f0514a897629b63c0abef8090ccb20dd7a806ba
SSDEEP

3072:kA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoko:kzIqATVfQeV2FZalKq6jtGJWuTmd

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/2580-1-0x00000000749D0000-0x0000000074A00000-memory.dmp	dridex_ldr
behavioral1/memory/2580-2-0x00000000749D0000-0x0000000074A00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2572	2580	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 2104 wrote to memory of 2580	2104	rundll32.exe	30
PID 2104 wrote to memory of 2580	2104	rundll32.exe	30
PID 2104 wrote to memory of 2580	2104	rundll32.exe	30
PID 2104 wrote to memory of 2580	2104	rundll32.exe	30
PID 2104 wrote to memory of 2580	2104	rundll32.exe	30
PID 2104 wrote to memory of 2580	2104	rundll32.exe	30
PID 2104 wrote to memory of 2580	2104	rundll32.exe	30
PID 2580 wrote to memory of 2572	2580	rundll32.exe	31
PID 2580 wrote to memory of 2572	2580	rundll32.exe	31
PID 2580 wrote to memory of 2572	2580	rundll32.exe	31
PID 2580 wrote to memory of 2572	2580	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7b849a715e5f625008d7aaabbd17542547c32c461fe6e871dcb0e3ca4c09f7e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7b849a715e5f625008d7aaabbd17542547c32c461fe6e871dcb0e3ca4c09f7e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 308
    3⤵
    - Program crash
    PID:2572

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/2580-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2580-1-0x00000000749D0000-0x0000000074A00000-memory.dmp

Filesize
192KB

Download
memory/2580-2-0x00000000749D0000-0x0000000074A00000-memory.dmp

Filesize
192KB

Download
memory/2580-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download