dridex | 381a7af444c6fdc3cb17b462af09f9e170da063c276e7c118aae8dad026115c1

Analysis

max time kernel
94s
max time network
149s
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 23:27

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General

Target

JaffaCakes118_381a7af444c6fdc3cb17b462af09f9e170da063c276e7c118aae8dad026115c1.dll
Size

184KB
MD5

398ffc8208fba415c5f7ac7972326ef9
SHA1

f21c3a5cc7177b0e1de03f40c42411737016885f
SHA256

381a7af444c6fdc3cb17b462af09f9e170da063c276e7c118aae8dad026115c1
SHA512

262cfdb3aa9801660819083613eaca571f0623a3fc9be5cee97a6a33d60e1d99e9bcff2dcc9c8a822dcbf827377cdacd5075a0e1ddaf1782eadef082a56fa099
SSDEEP

3072:RJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jva//2uFrSc:yfYOX+wTScR/Xzku9LVwIuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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
behavioral2/memory/552-1-0x0000000074BF0000-0x0000000074C1F000-memory.dmp	dridex_ldr
behavioral2/memory/552-2-0x0000000074BF0000-0x0000000074C1F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
964	552	WerFault.exe	83

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 2024 wrote to memory of 552	2024	rundll32.exe	83
PID 2024 wrote to memory of 552	2024	rundll32.exe	83
PID 2024 wrote to memory of 552	2024	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_381a7af444c6fdc3cb17b462af09f9e170da063c276e7c118aae8dad026115c1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_381a7af444c6fdc3cb17b462af09f9e170da063c276e7c118aae8dad026115c1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 616
    3⤵
    - Program crash
    PID:964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 552 -ip 552
1⤵
PID:3064

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/552-0-0x00000000013A0000-0x00000000013A6000-memory.dmp

Filesize
24KB

Download
memory/552-1-0x0000000074BF0000-0x0000000074C1F000-memory.dmp

Filesize
188KB

Download
memory/552-2-0x0000000074BF0000-0x0000000074C1F000-memory.dmp

Filesize
188KB

Download
memory/552-3-0x00000000013A0000-0x00000000013A6000-memory.dmp

Filesize
24KB

Download