dridex | dc8c902b077fb6a59b013651eb921ddcb14e4ad2a10f34cd0bc920b4a0661590

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:00

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General

Target

JaffaCakes118_dc8c902b077fb6a59b013651eb921ddcb14e4ad2a10f34cd0bc920b4a0661590.dll
Size

184KB
MD5

5886278cb23d75bf121396de75233807
SHA1

a871574ad769cba0542e18dcdc14bc098bdd55e7
SHA256

dc8c902b077fb6a59b013651eb921ddcb14e4ad2a10f34cd0bc920b4a0661590
SHA512

8b131dbd17b48daf2a394ca183410b19fbff39cc68afcf02c0ecba4de1767605f4b8572aca271b30a01ff966e8184ae9bb34abcea6df0bc6dc4d35e6ae2029c0
SSDEEP

3072:+JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jra//2uFrSc:HfYOX+wTScR/Xzku9LVwUuG

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/2672-1-0x0000000074E60000-0x0000000074E8F000-memory.dmp	dridex_ldr
behavioral1/memory/2672-2-0x0000000074E60000-0x0000000074E8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	2672	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 2636 wrote to memory of 2672	2636	rundll32.exe	31
PID 2636 wrote to memory of 2672	2636	rundll32.exe	31
PID 2636 wrote to memory of 2672	2636	rundll32.exe	31
PID 2636 wrote to memory of 2672	2636	rundll32.exe	31
PID 2636 wrote to memory of 2672	2636	rundll32.exe	31
PID 2636 wrote to memory of 2672	2636	rundll32.exe	31
PID 2636 wrote to memory of 2672	2636	rundll32.exe	31
PID 2672 wrote to memory of 2968	2672	rundll32.exe	32
PID 2672 wrote to memory of 2968	2672	rundll32.exe	32
PID 2672 wrote to memory of 2968	2672	rundll32.exe	32
PID 2672 wrote to memory of 2968	2672	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc8c902b077fb6a59b013651eb921ddcb14e4ad2a10f34cd0bc920b4a0661590.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dc8c902b077fb6a59b013651eb921ddcb14e4ad2a10f34cd0bc920b4a0661590.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 220
    3⤵
    - Program crash
    PID:2968

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/2672-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2672-1-0x0000000074E60000-0x0000000074E8F000-memory.dmp

Filesize
188KB

Download
memory/2672-2-0x0000000074E60000-0x0000000074E8F000-memory.dmp

Filesize
188KB

Download
memory/2672-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download