dridex | 31eb01dfdcdf625dce93054e63d90f7972de161347f7e8c65d3390b0fd08c1f9

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
24-12-2024 16:57

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General

Target

JaffaCakes118_31eb01dfdcdf625dce93054e63d90f7972de161347f7e8c65d3390b0fd08c1f9.dll
Size

184KB
MD5

51535d73eba1c62769b9d8612e6333c2
SHA1

c8acf5aeb9790ad34ef3b1dd63420751931eaf7d
SHA256

31eb01dfdcdf625dce93054e63d90f7972de161347f7e8c65d3390b0fd08c1f9
SHA512

30ae83d378a74402c554e057633c0ff52c80fa78f8131cbab3d315ad0e891e7ba286422ea55c0f497a7220b07f7be4fc713ed657972f89425ad001010f4243bb
SSDEEP

3072:piLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoxlzoxss7:piLVCIT4WK2z1W+CUHZj4Skq/eaovoC

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/1644-1-0x0000000075240000-0x000000007526F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2488	1644	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 1732 wrote to memory of 1644	1732	rundll32.exe	30
PID 1732 wrote to memory of 1644	1732	rundll32.exe	30
PID 1732 wrote to memory of 1644	1732	rundll32.exe	30
PID 1732 wrote to memory of 1644	1732	rundll32.exe	30
PID 1732 wrote to memory of 1644	1732	rundll32.exe	30
PID 1732 wrote to memory of 1644	1732	rundll32.exe	30
PID 1732 wrote to memory of 1644	1732	rundll32.exe	30
PID 1644 wrote to memory of 2488	1644	rundll32.exe	31
PID 1644 wrote to memory of 2488	1644	rundll32.exe	31
PID 1644 wrote to memory of 2488	1644	rundll32.exe	31
PID 1644 wrote to memory of 2488	1644	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31eb01dfdcdf625dce93054e63d90f7972de161347f7e8c65d3390b0fd08c1f9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31eb01dfdcdf625dce93054e63d90f7972de161347f7e8c65d3390b0fd08c1f9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 220
    3⤵
    - Program crash
    PID:2488

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/1644-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1644-1-0x0000000075240000-0x000000007526F000-memory.dmp

Filesize
188KB

Download
memory/1644-4-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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