dridex | a11ec3b01e499f86d72c8ffb211f0064e4d557d9a00fbd544293ea49ca7e88f9

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 04:25

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General

Target

JaffaCakes118_a11ec3b01e499f86d72c8ffb211f0064e4d557d9a00fbd544293ea49ca7e88f9.dll
Size

161KB
MD5

6fa6508ffc2f70d821db276fa427cf29
SHA1

08cd9f174e9574f7a4c8066477b8f8db8f94f66c
SHA256

a11ec3b01e499f86d72c8ffb211f0064e4d557d9a00fbd544293ea49ca7e88f9
SHA512

71251454bda656b4c653cdb74658d0b8183a3dee95cf7bf066f07976b40dbc88502460be4e743c375c2c126649141fc2fbabdd3c8696e771d2cccac94567bb43
SSDEEP

3072:1OSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2uGkFY:snS62Fl+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/2368-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2368-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2200	2368	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 1724 wrote to memory of 2368	1724	rundll32.exe	30
PID 1724 wrote to memory of 2368	1724	rundll32.exe	30
PID 1724 wrote to memory of 2368	1724	rundll32.exe	30
PID 1724 wrote to memory of 2368	1724	rundll32.exe	30
PID 1724 wrote to memory of 2368	1724	rundll32.exe	30
PID 1724 wrote to memory of 2368	1724	rundll32.exe	30
PID 1724 wrote to memory of 2368	1724	rundll32.exe	30
PID 2368 wrote to memory of 2200	2368	rundll32.exe	32
PID 2368 wrote to memory of 2200	2368	rundll32.exe	32
PID 2368 wrote to memory of 2200	2368	rundll32.exe	32
PID 2368 wrote to memory of 2200	2368	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a11ec3b01e499f86d72c8ffb211f0064e4d557d9a00fbd544293ea49ca7e88f9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a11ec3b01e499f86d72c8ffb211f0064e4d557d9a00fbd544293ea49ca7e88f9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 256
    3⤵
    - Program crash
    PID:2200

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/2368-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2368-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2368-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2368-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download