dridex | 3f4a571d1dae1c8ac262b73d24e7878f420e97eff05a97869478c5bdeb1bedb9

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 14:40

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General

Target

JaffaCakes118_3f4a571d1dae1c8ac262b73d24e7878f420e97eff05a97869478c5bdeb1bedb9.dll
Size

161KB
MD5

472f5e050406c100f7920dd6c16f4f08
SHA1

04c92d92471c177c1023556d97112c335381b15c
SHA256

3f4a571d1dae1c8ac262b73d24e7878f420e97eff05a97869478c5bdeb1bedb9
SHA512

0dd2a093eded714606709a3af55ef9c194c317aea5efaf2a68bc19d05a9f92249954392fc05436e74aeca3a402db60a7948f51ac5e42597122fdac66930d16b4
SSDEEP

3072:81Suywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2wGkFY:qnS62Fl+pkeJl3CvRStrFl+EYh

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2076-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2076-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2500	2076	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 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 2076 wrote to memory of 2500	2076	rundll32.exe	32
PID 2076 wrote to memory of 2500	2076	rundll32.exe	32
PID 2076 wrote to memory of 2500	2076	rundll32.exe	32
PID 2076 wrote to memory of 2500	2076	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f4a571d1dae1c8ac262b73d24e7878f420e97eff05a97869478c5bdeb1bedb9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f4a571d1dae1c8ac262b73d24e7878f420e97eff05a97869478c5bdeb1bedb9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 256
    3⤵
    - Program crash
    PID:2500

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/2076-0-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/2076-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2076-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2076-4-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download