dridex | a55553fbcb835f5d4ef2161f68b241787a7561a5247ed4f58621605dd9b28076

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 20:07

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General

Target

JaffaCakes118_a55553fbcb835f5d4ef2161f68b241787a7561a5247ed4f58621605dd9b28076.dll
Size

161KB
MD5

9f2e1d74067c63d3a6fc49afee717ee8
SHA1

420ab11288f7a255117dfd723e192c1326c4dc08
SHA256

a55553fbcb835f5d4ef2161f68b241787a7561a5247ed4f58621605dd9b28076
SHA512

8d04c2d8fcbfbb88b90c217e1ee172e3060dfb80db99ad3d38067049fa37dd2285c91334ccdd899c6ef24ae6d223b275dba4619c7e8bfb647562a124109e6d29
SSDEEP

3072:GgSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2ZGkFY:1nS62Fl+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
behavioral1/memory/2508-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2508-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	2508	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 1652 wrote to memory of 2508	1652	rundll32.exe	30
PID 1652 wrote to memory of 2508	1652	rundll32.exe	30
PID 1652 wrote to memory of 2508	1652	rundll32.exe	30
PID 1652 wrote to memory of 2508	1652	rundll32.exe	30
PID 1652 wrote to memory of 2508	1652	rundll32.exe	30
PID 1652 wrote to memory of 2508	1652	rundll32.exe	30
PID 1652 wrote to memory of 2508	1652	rundll32.exe	30
PID 2508 wrote to memory of 3036	2508	rundll32.exe	32
PID 2508 wrote to memory of 3036	2508	rundll32.exe	32
PID 2508 wrote to memory of 3036	2508	rundll32.exe	32
PID 2508 wrote to memory of 3036	2508	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a55553fbcb835f5d4ef2161f68b241787a7561a5247ed4f58621605dd9b28076.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a55553fbcb835f5d4ef2161f68b241787a7561a5247ed4f58621605dd9b28076.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 256
    3⤵
    - Program crash
    PID:3036

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/2508-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2508-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2508-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download