dridex | 3fd634b09311885937074e4279cb36c22213b89475903c900c859732a40eaa03

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 23:24

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General

Target

JaffaCakes118_3fd634b09311885937074e4279cb36c22213b89475903c900c859732a40eaa03.dll
Size

184KB
MD5

6d595e41a9ebae51a04446a55364b11f
SHA1

6ef7f3f322b4db7154a1e67a8704ccc6a8560884
SHA256

3fd634b09311885937074e4279cb36c22213b89475903c900c859732a40eaa03
SHA512

20b9e5b385ce86361c18e5f6091c698091d91e42345aae4a22b3bfeb9d1c0ebc503becc313e535630281305dbc39430418ecd5fe7cf8e3b9cda149d7e85d6fb4
SSDEEP

3072:5iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoglzoxss7:5iLVCIT4WK2z1W+CUHZj4Skq/eaoeoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2376-1-0x0000000074E70000-0x0000000074E9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	2376	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 2356 wrote to memory of 2376	2356	rundll32.exe	30
PID 2356 wrote to memory of 2376	2356	rundll32.exe	30
PID 2356 wrote to memory of 2376	2356	rundll32.exe	30
PID 2356 wrote to memory of 2376	2356	rundll32.exe	30
PID 2356 wrote to memory of 2376	2356	rundll32.exe	30
PID 2356 wrote to memory of 2376	2356	rundll32.exe	30
PID 2356 wrote to memory of 2376	2356	rundll32.exe	30
PID 2376 wrote to memory of 2860	2376	rundll32.exe	32
PID 2376 wrote to memory of 2860	2376	rundll32.exe	32
PID 2376 wrote to memory of 2860	2376	rundll32.exe	32
PID 2376 wrote to memory of 2860	2376	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3fd634b09311885937074e4279cb36c22213b89475903c900c859732a40eaa03.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3fd634b09311885937074e4279cb36c22213b89475903c900c859732a40eaa03.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 220
    3⤵
    - Program crash
    PID:2860

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/2376-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2376-1-0x0000000074E70000-0x0000000074E9F000-memory.dmp

Filesize
188KB

Download
memory/2376-4-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download