dridex | 7635b9f77430c730501e01a5803797887fd9702b71c0e3f3d1955acd511f97da

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 04:25

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General

Target

JaffaCakes118_7635b9f77430c730501e01a5803797887fd9702b71c0e3f3d1955acd511f97da.dll
Size

161KB
MD5

6fddeb5cc095a564aac3b7b6e5bfaf40
SHA1

13efc029f9322c4a3c0b9ebbb8186e7f61d24d62
SHA256

7635b9f77430c730501e01a5803797887fd9702b71c0e3f3d1955acd511f97da
SHA512

d9b6389686404e32adaca0d8fa840561cd355e698eda3982ce91543f594c502cc6b7c46d3cc548649f932270a2e7983c413423ca558f92577f4b29b4e84aeae8
SSDEEP

3072:GaSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2BGkFY:znS62Fl+pkeJl3CvRStrFl+EYE

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/3020-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/3020-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2240	3020	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 3028 wrote to memory of 3020	3028	rundll32.exe	30
PID 3028 wrote to memory of 3020	3028	rundll32.exe	30
PID 3028 wrote to memory of 3020	3028	rundll32.exe	30
PID 3028 wrote to memory of 3020	3028	rundll32.exe	30
PID 3028 wrote to memory of 3020	3028	rundll32.exe	30
PID 3028 wrote to memory of 3020	3028	rundll32.exe	30
PID 3028 wrote to memory of 3020	3028	rundll32.exe	30
PID 3020 wrote to memory of 2240	3020	rundll32.exe	31
PID 3020 wrote to memory of 2240	3020	rundll32.exe	31
PID 3020 wrote to memory of 2240	3020	rundll32.exe	31
PID 3020 wrote to memory of 2240	3020	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7635b9f77430c730501e01a5803797887fd9702b71c0e3f3d1955acd511f97da.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7635b9f77430c730501e01a5803797887fd9702b71c0e3f3d1955acd511f97da.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 256
    3⤵
    - Program crash
    PID:2240

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/3020-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3020-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3020-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download