dridex | a5eef1030c57b900cdefbff2a219af282f5010e799c5c36f9a1d741247c3f667

Analysis

max time kernel
98s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 01:04

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General

Target

JaffaCakes118_a5eef1030c57b900cdefbff2a219af282f5010e799c5c36f9a1d741247c3f667.dll
Size

161KB
MD5

8407cadc85a987b5a524d076ed1e0f60
SHA1

4b87236fead8768f803140d3710687e778ee479f
SHA256

a5eef1030c57b900cdefbff2a219af282f5010e799c5c36f9a1d741247c3f667
SHA512

a64cbe0020c0ca69a120acc154a9e90af174f532b1adda6720beb8f76e9431426623f8bc256436376392b270302c6abe15ff0e23b75e4bedc6c354577bf7b36b
SSDEEP

3072:4gSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2ZGkFY:fnS62Fl+pkeJl3CvRStrFl+EYM

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
behavioral2/memory/3564-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral2/memory/3564-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1436	3564	WerFault.exe	83

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 1596 wrote to memory of 3564	1596	rundll32.exe	83
PID 1596 wrote to memory of 3564	1596	rundll32.exe	83
PID 1596 wrote to memory of 3564	1596	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5eef1030c57b900cdefbff2a219af282f5010e799c5c36f9a1d741247c3f667.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5eef1030c57b900cdefbff2a219af282f5010e799c5c36f9a1d741247c3f667.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 712
    3⤵
    - Program crash
    PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3564 -ip 3564
1⤵
PID:2660

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/3564-0-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/3564-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3564-3-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/3564-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download