dridex | 3e16c254c98a8d2c9f03c149fc558d68237f83cd700ad2cbee6308faa48335dc

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:56

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General

Target

JaffaCakes118_3e16c254c98a8d2c9f03c149fc558d68237f83cd700ad2cbee6308faa48335dc.dll
Size

184KB
MD5

17be05cace12c07f336404c11dc3a2a1
SHA1

d622a9096b85a80a65470ea11fa73193b48873b9
SHA256

3e16c254c98a8d2c9f03c149fc558d68237f83cd700ad2cbee6308faa48335dc
SHA512

b99803b7d4ca165cf0b1e95475f24d0ea081da5423c808466cd31f6a3c0aad489b7a01a34e8f208779b5aab9109eb2056e6544390ebc6a0e94fd2f65ee3b2f61
SSDEEP

3072:MJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jda//2uFrSc:xfYOX+wTScR/Xzku9LVwOuG

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

resource	yara_rule
behavioral1/memory/2080-0-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr
behavioral1/memory/2080-3-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2748	2080	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 2648 wrote to memory of 2080	2648	rundll32.exe	30
PID 2648 wrote to memory of 2080	2648	rundll32.exe	30
PID 2648 wrote to memory of 2080	2648	rundll32.exe	30
PID 2648 wrote to memory of 2080	2648	rundll32.exe	30
PID 2648 wrote to memory of 2080	2648	rundll32.exe	30
PID 2648 wrote to memory of 2080	2648	rundll32.exe	30
PID 2648 wrote to memory of 2080	2648	rundll32.exe	30
PID 2080 wrote to memory of 2748	2080	rundll32.exe	31
PID 2080 wrote to memory of 2748	2080	rundll32.exe	31
PID 2080 wrote to memory of 2748	2080	rundll32.exe	31
PID 2080 wrote to memory of 2748	2080	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e16c254c98a8d2c9f03c149fc558d68237f83cd700ad2cbee6308faa48335dc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e16c254c98a8d2c9f03c149fc558d68237f83cd700ad2cbee6308faa48335dc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 220
    3⤵
    - Program crash
    PID:2748

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/2080-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2080-0-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

Download
memory/2080-3-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

Download