dridex | a8ecb579f882cc6ff9b1ab0e8144266e8aa96481d37ba622d1b5349b3c1bd49c

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 19:49

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General

Target

JaffaCakes118_a8ecb579f882cc6ff9b1ab0e8144266e8aa96481d37ba622d1b5349b3c1bd49c.dll
Size

171KB
MD5

93ebd9a22ae3ea4d46576f6da927f6e2
SHA1

3b030b57ca9540f4f8f78cf0f1e07d1d13f64874
SHA256

a8ecb579f882cc6ff9b1ab0e8144266e8aa96481d37ba622d1b5349b3c1bd49c
SHA512

7877bd1525cd29df6e66cb6df5bf0e11395555b3b8c9038262a9fefc7dacb4ee8e96f26e395b14f0adcd132a66ae51b8f57cb767ef2ef7af664e582382e41592
SSDEEP

3072:1i49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:1H9RVaPEmsdHdbQUbd2H3

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/2556-1-0x0000000074840000-0x0000000074870000-memory.dmp	dridex_ldr
behavioral1/memory/2556-2-0x0000000074840000-0x0000000074870000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	2556	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 2096 wrote to memory of 2556	2096	rundll32.exe	30
PID 2096 wrote to memory of 2556	2096	rundll32.exe	30
PID 2096 wrote to memory of 2556	2096	rundll32.exe	30
PID 2096 wrote to memory of 2556	2096	rundll32.exe	30
PID 2096 wrote to memory of 2556	2096	rundll32.exe	30
PID 2096 wrote to memory of 2556	2096	rundll32.exe	30
PID 2096 wrote to memory of 2556	2096	rundll32.exe	30
PID 2556 wrote to memory of 2100	2556	rundll32.exe	32
PID 2556 wrote to memory of 2100	2556	rundll32.exe	32
PID 2556 wrote to memory of 2100	2556	rundll32.exe	32
PID 2556 wrote to memory of 2100	2556	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8ecb579f882cc6ff9b1ab0e8144266e8aa96481d37ba622d1b5349b3c1bd49c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8ecb579f882cc6ff9b1ab0e8144266e8aa96481d37ba622d1b5349b3c1bd49c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 256
    3⤵
    - Program crash
    PID:2100

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/2556-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2556-1-0x0000000074840000-0x0000000074870000-memory.dmp

Filesize
192KB

Download
memory/2556-2-0x0000000074840000-0x0000000074870000-memory.dmp

Filesize
192KB

Download
memory/2556-4-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download