dridex | 5a389c0107324a63fdbacebfff21dec5c1daf61a7b30ea8abe52b1d0e7581e5c

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 17:35

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General

Target

JaffaCakes118_5a389c0107324a63fdbacebfff21dec5c1daf61a7b30ea8abe52b1d0e7581e5c.dll
Size

184KB
MD5

0c41fa9a988208778ce8f196b35ced82
SHA1

15fb1f1ea00afa91349af1592a87d0cb0255209b
SHA256

5a389c0107324a63fdbacebfff21dec5c1daf61a7b30ea8abe52b1d0e7581e5c
SHA512

a312742d8df8c05832157dbc9ceb9f8969aa019e4ea483793a04b3771ae66cbf13cbf39ce7e5e89243a33bd155eb4bd2165f7bf0448471aae69d33122db49fe4
SSDEEP

3072:SiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoclzoxss7:SiLVCIT4WK2z1W+CUHZj4Skq/eaoioC

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/1764-1-0x0000000074870000-0x000000007489F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1664	1764	WerFault.exe	31

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 1224 wrote to memory of 1764	1224	rundll32.exe	31
PID 1224 wrote to memory of 1764	1224	rundll32.exe	31
PID 1224 wrote to memory of 1764	1224	rundll32.exe	31
PID 1224 wrote to memory of 1764	1224	rundll32.exe	31
PID 1224 wrote to memory of 1764	1224	rundll32.exe	31
PID 1224 wrote to memory of 1764	1224	rundll32.exe	31
PID 1224 wrote to memory of 1764	1224	rundll32.exe	31
PID 1764 wrote to memory of 1664	1764	rundll32.exe	32
PID 1764 wrote to memory of 1664	1764	rundll32.exe	32
PID 1764 wrote to memory of 1664	1764	rundll32.exe	32
PID 1764 wrote to memory of 1664	1764	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a389c0107324a63fdbacebfff21dec5c1daf61a7b30ea8abe52b1d0e7581e5c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a389c0107324a63fdbacebfff21dec5c1daf61a7b30ea8abe52b1d0e7581e5c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 220
    3⤵
    - Program crash
    PID:1664

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/1764-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1764-1-0x0000000074870000-0x000000007489F000-memory.dmp

Filesize
188KB

Download
memory/1764-4-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download