dridex | bef2c55fdfdccf0e0314e4d268b8be625a6021d4dc1851e57a3711437c818a5d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 23:13

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General

Target

JaffaCakes118_bef2c55fdfdccf0e0314e4d268b8be625a6021d4dc1851e57a3711437c818a5d.dll
Size

161KB
MD5

0927d87f17333a27adf929e10ca1934d
SHA1

1db5346edf3ee2cd2c1acd7726141c4c683d73da
SHA256

bef2c55fdfdccf0e0314e4d268b8be625a6021d4dc1851e57a3711437c818a5d
SHA512

d261663ebacd57d6af17d140ba489de9d4d06e92f295a701711c49292192b3aaa3d998d8736cec9eba1b38e852ef7fdaa195d31c582f03b0d38392204ecd0eed
SSDEEP

3072:TaSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2BGkFY:unS62Fl+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/1348-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1348-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
328	1348	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 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1972 wrote to memory of 1348	1972	rundll32.exe	30
PID 1348 wrote to memory of 328	1348	rundll32.exe	32
PID 1348 wrote to memory of 328	1348	rundll32.exe	32
PID 1348 wrote to memory of 328	1348	rundll32.exe	32
PID 1348 wrote to memory of 328	1348	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bef2c55fdfdccf0e0314e4d268b8be625a6021d4dc1851e57a3711437c818a5d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bef2c55fdfdccf0e0314e4d268b8be625a6021d4dc1851e57a3711437c818a5d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 256
    3⤵
    - Program crash
    PID:328

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/1348-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1348-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1348-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1348-4-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download