dridex | 21f5f9077aa1c1342feeff7bbac90137cc377a473963915952de4cc9be22e6d6

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 23:15

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General

Target

JaffaCakes118_21f5f9077aa1c1342feeff7bbac90137cc377a473963915952de4cc9be22e6d6.dll
Size

161KB
MD5

ca2d41f6a94f68e4d1f5ad21ec84bc19
SHA1

d88981b43553cd3535b16a929a10546540e54b50
SHA256

21f5f9077aa1c1342feeff7bbac90137cc377a473963915952de4cc9be22e6d6
SHA512

b218e420a7bb264f01d45f8c3b56ba06240eed5516375a5f59809b55d8b2909ec19422eabcc7361f6ace10c3b2cfbc5672a98a13376414340454aa919a74f284
SSDEEP

3072:1nSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2xGkFY:1nS62Fl+pkeJl3CvRStrFl+EY0

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/1372-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1372-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2548	1372	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 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1968 wrote to memory of 1372	1968	rundll32.exe	30
PID 1372 wrote to memory of 2548	1372	rundll32.exe	32
PID 1372 wrote to memory of 2548	1372	rundll32.exe	32
PID 1372 wrote to memory of 2548	1372	rundll32.exe	32
PID 1372 wrote to memory of 2548	1372	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21f5f9077aa1c1342feeff7bbac90137cc377a473963915952de4cc9be22e6d6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21f5f9077aa1c1342feeff7bbac90137cc377a473963915952de4cc9be22e6d6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 256
    3⤵
    - Program crash
    PID:2548

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/1372-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1372-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1372-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1372-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download