dridex | 4cb928c70adcc33fd1f77b67befef5ba91cdb1c7ec78207ead699d0f3d4c39a4

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 08:00

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General

Target

JaffaCakes118_4cb928c70adcc33fd1f77b67befef5ba91cdb1c7ec78207ead699d0f3d4c39a4.dll
Size

161KB
MD5

9e1aefac0e281ab74def48baeae19b36
SHA1

3af9808ce6e8b63ee55a8078d5d2e8edcf52d9e1
SHA256

4cb928c70adcc33fd1f77b67befef5ba91cdb1c7ec78207ead699d0f3d4c39a4
SHA512

61fa096e0ef1970117810a634c9b9726c8799c7bbf30f19e948982d279cee4f151468080085909a327be450f329ec8c1301ec2d5c0e3d5e19527c7b08d8215fb
SSDEEP

3072:anSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2xGkFY:CnS62Fl+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/3032-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/3032-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	3032	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 3004 wrote to memory of 3032	3004	rundll32.exe	30
PID 3004 wrote to memory of 3032	3004	rundll32.exe	30
PID 3004 wrote to memory of 3032	3004	rundll32.exe	30
PID 3004 wrote to memory of 3032	3004	rundll32.exe	30
PID 3004 wrote to memory of 3032	3004	rundll32.exe	30
PID 3004 wrote to memory of 3032	3004	rundll32.exe	30
PID 3004 wrote to memory of 3032	3004	rundll32.exe	30
PID 3032 wrote to memory of 2760	3032	rundll32.exe	31
PID 3032 wrote to memory of 2760	3032	rundll32.exe	31
PID 3032 wrote to memory of 2760	3032	rundll32.exe	31
PID 3032 wrote to memory of 2760	3032	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4cb928c70adcc33fd1f77b67befef5ba91cdb1c7ec78207ead699d0f3d4c39a4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4cb928c70adcc33fd1f77b67befef5ba91cdb1c7ec78207ead699d0f3d4c39a4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 256
    3⤵
    - Program crash
    PID:2760

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/3032-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3032-2-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/3032-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download