dridex | 7e07648e69bf14f09cb79538a47c34a70801bc10d82ced018eef0534903d9923

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 01:46

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General

Target

JaffaCakes118_7e07648e69bf14f09cb79538a47c34a70801bc10d82ced018eef0534903d9923.dll
Size

161KB
MD5

c80ce32a68a2eae886f73080f2c86c0a
SHA1

95915cd231977a1cc2271c7d726211f6264b00ca
SHA256

7e07648e69bf14f09cb79538a47c34a70801bc10d82ced018eef0534903d9923
SHA512

0834c2d60f44a89fbd186d426a57358eaeccd22b7a30458ee805f0487f152584d07f0b5ab668b65b86dc265af90f625c352697f34f157ee1ed35d1d10b1124cc
SSDEEP

3072:KlSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd28GkFY:4nS62Fl+pkeJl3CvRStrFl+EYN

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/1804-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1804-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1788	1804	WerFault.exe	31

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 1384 wrote to memory of 1804	1384	rundll32.exe	31
PID 1384 wrote to memory of 1804	1384	rundll32.exe	31
PID 1384 wrote to memory of 1804	1384	rundll32.exe	31
PID 1384 wrote to memory of 1804	1384	rundll32.exe	31
PID 1384 wrote to memory of 1804	1384	rundll32.exe	31
PID 1384 wrote to memory of 1804	1384	rundll32.exe	31
PID 1384 wrote to memory of 1804	1384	rundll32.exe	31
PID 1804 wrote to memory of 1788	1804	rundll32.exe	32
PID 1804 wrote to memory of 1788	1804	rundll32.exe	32
PID 1804 wrote to memory of 1788	1804	rundll32.exe	32
PID 1804 wrote to memory of 1788	1804	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e07648e69bf14f09cb79538a47c34a70801bc10d82ced018eef0534903d9923.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e07648e69bf14f09cb79538a47c34a70801bc10d82ced018eef0534903d9923.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 256
    3⤵
    - Program crash
    PID:1788

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/1804-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1804-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1804-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1804-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download