dridex | a03f21abfec6e5e6f1ee4f57c8e5696f5d29bcae6d2700216945323222a381f0

Analysis

max time kernel
98s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 22:39

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General

Target

JaffaCakes118_a03f21abfec6e5e6f1ee4f57c8e5696f5d29bcae6d2700216945323222a381f0.dll
Size

184KB
MD5

473f5b00a0016378e010aa432114b76c
SHA1

5724feefd0731f7d36c9f6af5005b120da9aa1e1
SHA256

a03f21abfec6e5e6f1ee4f57c8e5696f5d29bcae6d2700216945323222a381f0
SHA512

f218ec9ae1940308405a23b03456fd92bb18fa8682fe5e72632d5ddd180129fcb8a8a94bc3c4451f0f1c3562e1c6127148a03101518489910033a5e86db3194b
SSDEEP

3072:HiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaollzoxss7:HiLVCIT4WK2z1W+CUHZj4Skq/eaoroC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1856-1-0x0000000074DA0000-0x0000000074DCF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3620	1856	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 1240 wrote to memory of 1856	1240	rundll32.exe	82
PID 1240 wrote to memory of 1856	1240	rundll32.exe	82
PID 1240 wrote to memory of 1856	1240	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a03f21abfec6e5e6f1ee4f57c8e5696f5d29bcae6d2700216945323222a381f0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a03f21abfec6e5e6f1ee4f57c8e5696f5d29bcae6d2700216945323222a381f0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 616
    3⤵
    - Program crash
    PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1856 -ip 1856
1⤵
PID:4852

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/1856-0-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/1856-1-0x0000000074DA0000-0x0000000074DCF000-memory.dmp

Filesize
188KB

Download
memory/1856-3-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download