dridex | 3add03d63a3670e4ef6ef474dd1d37c57a0709bab73977a6c931e79713609b3c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:06

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General

Target

JaffaCakes118_3add03d63a3670e4ef6ef474dd1d37c57a0709bab73977a6c931e79713609b3c.dll
Size

184KB
MD5

86e3181de13762ae6499ee089610ebf5
SHA1

ceefe9e6933334f5d6f8228df3ca7cb3cb4bdd82
SHA256

3add03d63a3670e4ef6ef474dd1d37c57a0709bab73977a6c931e79713609b3c
SHA512

56aa3689e81c1a3f8c87535059404ca5a898918c0b2e10b1159ec50a760c3cdc5cb1eb0dbbc75490993078586ec38b1b0e93be0abeeca09b2f6ee63c0814ec15
SSDEEP

3072:oJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JBa//2uFrSc:lfYOX+wTScR/Xzku9LVwSuG

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
behavioral1/memory/2176-1-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr
behavioral1/memory/2176-2-0x0000000074BE0000-0x0000000074C0F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2176	WerFault.exe	31

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 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2280 wrote to memory of 2176	2280	rundll32.exe	31
PID 2176 wrote to memory of 2756	2176	rundll32.exe	32
PID 2176 wrote to memory of 2756	2176	rundll32.exe	32
PID 2176 wrote to memory of 2756	2176	rundll32.exe	32
PID 2176 wrote to memory of 2756	2176	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3add03d63a3670e4ef6ef474dd1d37c57a0709bab73977a6c931e79713609b3c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3add03d63a3670e4ef6ef474dd1d37c57a0709bab73977a6c931e79713609b3c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 220
    3⤵
    - Program crash
    PID:2756

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/2176-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

Download
memory/2176-2-0x0000000074BE0000-0x0000000074C0F000-memory.dmp

Filesize
188KB

Download
memory/2176-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download