dridex | 7c1c8a156b253bf77c91575127353fc395eca99f2ddb107fb7d81fcec6ee9461

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 19:31

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General

Target

JaffaCakes118_7c1c8a156b253bf77c91575127353fc395eca99f2ddb107fb7d81fcec6ee9461.dll
Size

161KB
MD5

a8352a6d0506c503b3bf79bfbea2f81c
SHA1

14d22f45989d0a5796bdf11874a19573836d6b75
SHA256

7c1c8a156b253bf77c91575127353fc395eca99f2ddb107fb7d81fcec6ee9461
SHA512

563a9133e6ad44940bc50af5e2c33402b1985228aa592bdde557bc8261c4fdd1fbced72ce49d720af458e9076874dda77ba0f253966113a3dbf19763d6ddab33
SSDEEP

3072:+tSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2TGkFY:4nS62Fl+pkeJl3CvRStrFl+EYi

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/2736-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2736-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	2736	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 2724 wrote to memory of 2736	2724	rundll32.exe	30
PID 2724 wrote to memory of 2736	2724	rundll32.exe	30
PID 2724 wrote to memory of 2736	2724	rundll32.exe	30
PID 2724 wrote to memory of 2736	2724	rundll32.exe	30
PID 2724 wrote to memory of 2736	2724	rundll32.exe	30
PID 2724 wrote to memory of 2736	2724	rundll32.exe	30
PID 2724 wrote to memory of 2736	2724	rundll32.exe	30
PID 2736 wrote to memory of 2776	2736	rundll32.exe	31
PID 2736 wrote to memory of 2776	2736	rundll32.exe	31
PID 2736 wrote to memory of 2776	2736	rundll32.exe	31
PID 2736 wrote to memory of 2776	2736	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c1c8a156b253bf77c91575127353fc395eca99f2ddb107fb7d81fcec6ee9461.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c1c8a156b253bf77c91575127353fc395eca99f2ddb107fb7d81fcec6ee9461.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 256
    3⤵
    - Program crash
    PID:2776

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/2736-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2736-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2736-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2736-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download