dridex | dc7fef705043166f2e22617546d62c40c5083b24d02c23f3bb9dce7bdb991fdd

Analysis

max time kernel
93s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 21:20

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General

Target

JaffaCakes118_dc7fef705043166f2e22617546d62c40c5083b24d02c23f3bb9dce7bdb991fdd.dll
Size

170KB
MD5

514ab5a31e2573d6efccd59533467ce3
SHA1

3973556ee9673a087917310909e7770b324416cb
SHA256

dc7fef705043166f2e22617546d62c40c5083b24d02c23f3bb9dce7bdb991fdd
SHA512

6fe68acd289767caceb7cb39c3e03e72aeb111b8c69ed2545f48d4b2d66c76c56cf184cedb3d2c45725d9a4eec87ad4bb6764c1b99be5635b6fb742256a3d89c
SSDEEP

3072:rqWLBTrGNr0gl+CI3bc4ThMXu6GkqFmLqmjcRVmkHkKFhG2wwUJ5/lB:lVqNd+CIQHXu9VFmu0qU2CJ5

Score

10^/10

dridex 40112 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

40112

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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
behavioral2/memory/2968-0-0x0000000074F50000-0x0000000074F80000-memory.dmp	dridex_ldr
behavioral2/memory/2968-3-0x0000000074F50000-0x0000000074F80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1464	2968	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 2968	4504	rundll32.exe	82
PID 4504 wrote to memory of 2968	4504	rundll32.exe	82
PID 4504 wrote to memory of 2968	4504	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc7fef705043166f2e22617546d62c40c5083b24d02c23f3bb9dce7bdb991fdd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc7fef705043166f2e22617546d62c40c5083b24d02c23f3bb9dce7bdb991fdd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 672
    3⤵
    - Program crash
    PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2968 -ip 2968
1⤵
PID:4324

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/2968-2-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/2968-0-0x0000000074F50000-0x0000000074F80000-memory.dmp

Filesize
192KB

Download
memory/2968-3-0x0000000074F50000-0x0000000074F80000-memory.dmp

Filesize
192KB

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