dridex | ef7e26c32523b36e6634cf5fcf316d3df0cf76dcae71482338d15a4bd6519608

Analysis

max time kernel
94s
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
30/12/2024, 17:08

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General

Target

JaffaCakes118_ef7e26c32523b36e6634cf5fcf316d3df0cf76dcae71482338d15a4bd6519608.dll
Size

184KB
MD5

b63efd7066bd8788c816f9d1386596e7
SHA1

83a71f9d45f1964e68b90433afe85a31b1f8a231
SHA256

ef7e26c32523b36e6634cf5fcf316d3df0cf76dcae71482338d15a4bd6519608
SHA512

ffdb4443383c324b0794464085bd3429ee8a50f8c16fa59f2c7c7820000435651fcc15aed030584bad3175630ad10083c2bef8a174519b51ef6d1c95aa288719
SSDEEP

3072:AJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JVa//2uFrSc:9fYOX+wTScR/Xzku9LVwyuG

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/3676-0-0x0000000074D90000-0x0000000074DBF000-memory.dmp	dridex_ldr
behavioral2/memory/3676-3-0x0000000074D90000-0x0000000074DBF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2304	3676	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 1340 wrote to memory of 3676	1340	rundll32.exe	82
PID 1340 wrote to memory of 3676	1340	rundll32.exe	82
PID 1340 wrote to memory of 3676	1340	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef7e26c32523b36e6634cf5fcf316d3df0cf76dcae71482338d15a4bd6519608.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef7e26c32523b36e6634cf5fcf316d3df0cf76dcae71482338d15a4bd6519608.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 624
    3⤵
    - Program crash
    PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3676 -ip 3676
1⤵
PID:212

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/3676-0-0x0000000074D90000-0x0000000074DBF000-memory.dmp

Filesize
188KB

Download
memory/3676-2-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/3676-3-0x0000000074D90000-0x0000000074DBF000-memory.dmp

Filesize
188KB

Download