dridex | eb3d3c8e1481e8c4c2f45502d019c15c58110e915da519b96f9ac3cf2ce80897

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:53

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General

Target

JaffaCakes118_eb3d3c8e1481e8c4c2f45502d019c15c58110e915da519b96f9ac3cf2ce80897.dll
Size

184KB
MD5

943158713c755aba5b914d64a5973dd4
SHA1

8c880ba68afb13266de33bcaa03d3880a17f381c
SHA256

eb3d3c8e1481e8c4c2f45502d019c15c58110e915da519b96f9ac3cf2ce80897
SHA512

b4b80a37f2ca9a52194de4ce68ec7ebff53d975ebf51d44150b4fa589991cf79d0746bc36f6efe7a1cacdd93f5b721c8c9b71e767345b6dcb8319f9d74b5bc24
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J7a//2uFrSc:mfYOX+wTScR/Xzku9LVwEuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/1704-0-0x0000000075140000-0x000000007516F000-memory.dmp	dridex_ldr
behavioral1/memory/1704-3-0x0000000075140000-0x000000007516F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1932	1704	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 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 2440 wrote to memory of 1704	2440	rundll32.exe	30
PID 1704 wrote to memory of 1932	1704	rundll32.exe	31
PID 1704 wrote to memory of 1932	1704	rundll32.exe	31
PID 1704 wrote to memory of 1932	1704	rundll32.exe	31
PID 1704 wrote to memory of 1932	1704	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb3d3c8e1481e8c4c2f45502d019c15c58110e915da519b96f9ac3cf2ce80897.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb3d3c8e1481e8c4c2f45502d019c15c58110e915da519b96f9ac3cf2ce80897.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 220
    3⤵
    - Program crash
    PID:1932

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/1704-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1704-0-0x0000000075140000-0x000000007516F000-memory.dmp

Filesize
188KB

Download
memory/1704-3-0x0000000075140000-0x000000007516F000-memory.dmp

Filesize
188KB

Download