dridex | b11f77bdf2c80cef0c55dbc5b7b702329a7858ab35201eaadacbb439d7af8a00

Analysis

max time kernel
95s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 06:36

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General

Target

JaffaCakes118_b11f77bdf2c80cef0c55dbc5b7b702329a7858ab35201eaadacbb439d7af8a00.dll
Size

177KB
MD5

ef9f60352fb782bad185aa4bd7a51e8a
SHA1

bc0ebaee7b066f4b98d67da6e7f5af5fe2071c0f
SHA256

b11f77bdf2c80cef0c55dbc5b7b702329a7858ab35201eaadacbb439d7af8a00
SHA512

87487be7d5da1e6cfc57443405aaee6dd8fd4762a03665b35e5a49cb67bd5b99ff538c90662ba15fb0662fcb0d950d0f7f8212f0b1a5712dfea8717a34469c4d
SSDEEP

3072:FuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:JzWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3208-0-0x00000000756C0000-0x00000000756F1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1560	3208	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 3208	2524	rundll32.exe	82
PID 2524 wrote to memory of 3208	2524	rundll32.exe	82
PID 2524 wrote to memory of 3208	2524	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b11f77bdf2c80cef0c55dbc5b7b702329a7858ab35201eaadacbb439d7af8a00.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b11f77bdf2c80cef0c55dbc5b7b702329a7858ab35201eaadacbb439d7af8a00.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 640
    3⤵
    - Program crash
    PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3208 -ip 3208
1⤵
PID:1992

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/3208-0-0x00000000756C0000-0x00000000756F1000-memory.dmp

Filesize
196KB

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memory/3208-2-0x0000000001450000-0x0000000001456000-memory.dmp

Filesize
24KB

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