dridex | b45ec7af27c52fa0f282910020699abc64ef2ce73d912a387a2bb69fccb3fcb3

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 23:45

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General

Target

JaffaCakes118_b45ec7af27c52fa0f282910020699abc64ef2ce73d912a387a2bb69fccb3fcb3.dll
Size

161KB
MD5

6537a35820672cd1c6b962db0fb6a4bb
SHA1

580fc91d7d8655e265fd8d3a5484309326e66bb4
SHA256

b45ec7af27c52fa0f282910020699abc64ef2ce73d912a387a2bb69fccb3fcb3
SHA512

0ce312341962db943c8c8e96ca9f1c5776124c2144991ed2cf86d256d86408310c27e0561d7df8ae6aa2bd382f9c782e20cd5d89fe04948ccb6a1860ddc80350
SSDEEP

3072:qoSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2aGkFY:xnS62Fl+pkeJl3CvRStrFl+EYn

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/2596-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2596-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2456	2596	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 1784 wrote to memory of 2596	1784	rundll32.exe	30
PID 1784 wrote to memory of 2596	1784	rundll32.exe	30
PID 1784 wrote to memory of 2596	1784	rundll32.exe	30
PID 1784 wrote to memory of 2596	1784	rundll32.exe	30
PID 1784 wrote to memory of 2596	1784	rundll32.exe	30
PID 1784 wrote to memory of 2596	1784	rundll32.exe	30
PID 1784 wrote to memory of 2596	1784	rundll32.exe	30
PID 2596 wrote to memory of 2456	2596	rundll32.exe	32
PID 2596 wrote to memory of 2456	2596	rundll32.exe	32
PID 2596 wrote to memory of 2456	2596	rundll32.exe	32
PID 2596 wrote to memory of 2456	2596	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b45ec7af27c52fa0f282910020699abc64ef2ce73d912a387a2bb69fccb3fcb3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b45ec7af27c52fa0f282910020699abc64ef2ce73d912a387a2bb69fccb3fcb3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 256
    3⤵
    - Program crash
    PID:2456

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/2596-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2596-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2596-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2596-4-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download