dridex | 08f2b9d5b3ca38866f7bd8dd25c0aa65e9694b50a27282ebfa6d8d5ec42dda2b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 01:02

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General

Target

3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll
Size

184KB
MD5

19efd874be7e59e6310095114e017993
SHA1

899eccddc62b9a480eec0ecb1862a768d7136233
SHA256

08f2b9d5b3ca38866f7bd8dd25c0aa65e9694b50a27282ebfa6d8d5ec42dda2b
SHA512

8a4a47e3a799c6903c606a2c92ebd23a86753499242fbf90338a5f72d2bfd214feae2c9e8e0481c2f14a97793947f6d83c838a80d1eef33f324eddd922928f52
SSDEEP

3072:vJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jla//2uFrSce:8fYOX+wTScR/Xzku9LVwiuGi

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1488-1-0x0000000074510000-0x000000007453F000-memory.dmp	dridex_ldr
behavioral1/memory/1488-2-0x0000000074510000-0x000000007453F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2460	1488	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 1488 wrote to memory of 2460	1488	rundll32.exe	32
PID 1488 wrote to memory of 2460	1488	rundll32.exe	32
PID 1488 wrote to memory of 2460	1488	rundll32.exe	32
PID 1488 wrote to memory of 2460	1488	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a6e27c0d5a262aff3a50f7c1965cd667f1720c31c2f34fafa2506377b622aa3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 220
    3⤵
    - Program crash
    PID:2460

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

Replay Monitor

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Downloads

memory/1488-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1488-1-0x0000000074510000-0x000000007453F000-memory.dmp

Filesize
188KB

Download
memory/1488-2-0x0000000074510000-0x000000007453F000-memory.dmp

Filesize
188KB

Download
memory/1488-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download