dridex | 35765a37a6b34dda3627c3597cdaaf0acf9220de100440d42e2064c3cc93bd44

Analysis

max time kernel
91s
max time network
142s
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 23:28

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General

Target

JaffaCakes118_35765a37a6b34dda3627c3597cdaaf0acf9220de100440d42e2064c3cc93bd44.dll
Size

184KB
MD5

de32dc9a6db35e9d9a559f3c5b22fe04
SHA1

1c00ae77f404def0a95e9c84ecd9f64c9790dd53
SHA256

35765a37a6b34dda3627c3597cdaaf0acf9220de100440d42e2064c3cc93bd44
SHA512

331dd71a59dc7c34d6f7514e983b77beb17387fa3376a4bbea89a6787d2dcb30c24cc0dbe1ba8817179143ec84b564bb4eb105b89edc8a2ce551a2667ddec192
SSDEEP

3072:6JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jea//2uFrSc:bfYOX+wTScR/Xzku9LVwFuG

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/3940-1-0x0000000074E10000-0x0000000074E3F000-memory.dmp	dridex_ldr
behavioral2/memory/3940-2-0x0000000074E10000-0x0000000074E3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4992	3940	WerFault.exe	84

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 3588 wrote to memory of 3940	3588	rundll32.exe	84
PID 3588 wrote to memory of 3940	3588	rundll32.exe	84
PID 3588 wrote to memory of 3940	3588	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35765a37a6b34dda3627c3597cdaaf0acf9220de100440d42e2064c3cc93bd44.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35765a37a6b34dda3627c3597cdaaf0acf9220de100440d42e2064c3cc93bd44.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 616
    3⤵
    - Program crash
    PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3940 -ip 3940
1⤵
PID:4008

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/3940-0-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download
memory/3940-1-0x0000000074E10000-0x0000000074E3F000-memory.dmp

Filesize
188KB

Download
memory/3940-2-0x0000000074E10000-0x0000000074E3F000-memory.dmp

Filesize
188KB

Download
memory/3940-3-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download