dridex | 599f4e1356bc0eb5e039427c2e6c32819bab4b544427e49ab3244093b2037a93

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 16:55

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General

Target

JaffaCakes118_599f4e1356bc0eb5e039427c2e6c32819bab4b544427e49ab3244093b2037a93.dll
Size

161KB
MD5

095e8608234336d990120453782ccd54
SHA1

fd468e06d6fb85ec93e3baa7bfa7d60b21df6c32
SHA256

599f4e1356bc0eb5e039427c2e6c32819bab4b544427e49ab3244093b2037a93
SHA512

fcc480b63ec869d1e6768f64e08403a6742126526169878f14b040c78364c419abb9fd2db430a873f98badf9f0ceacf5b9962b4567dfe4c853cf46996e36f2ca
SSDEEP

3072:HOSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2uGkFY:unS62Fl+pkeJl3CvRStrFl+EYL

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/2648-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2648-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2648	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 3044 wrote to memory of 2648	3044	rundll32.exe	30
PID 3044 wrote to memory of 2648	3044	rundll32.exe	30
PID 3044 wrote to memory of 2648	3044	rundll32.exe	30
PID 3044 wrote to memory of 2648	3044	rundll32.exe	30
PID 3044 wrote to memory of 2648	3044	rundll32.exe	30
PID 3044 wrote to memory of 2648	3044	rundll32.exe	30
PID 3044 wrote to memory of 2648	3044	rundll32.exe	30
PID 2648 wrote to memory of 2756	2648	rundll32.exe	31
PID 2648 wrote to memory of 2756	2648	rundll32.exe	31
PID 2648 wrote to memory of 2756	2648	rundll32.exe	31
PID 2648 wrote to memory of 2756	2648	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599f4e1356bc0eb5e039427c2e6c32819bab4b544427e49ab3244093b2037a93.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599f4e1356bc0eb5e039427c2e6c32819bab4b544427e49ab3244093b2037a93.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 256
    3⤵
    - Program crash
    PID:2756

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/2648-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2648-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2648-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download