dridex | aff90bb5b3660dd7e77e5b91839d5f8afb93af6e8b23611826279d1faa965938

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
24-12-2024 01:40

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General

Target

JaffaCakes118_aff90bb5b3660dd7e77e5b91839d5f8afb93af6e8b23611826279d1faa965938.dll
Size

184KB
MD5

533e2a9361a6bcd796ad4f6379e85dd9
SHA1

277602b21197d98003eb05351ade4bc10f3e6527
SHA256

aff90bb5b3660dd7e77e5b91839d5f8afb93af6e8b23611826279d1faa965938
SHA512

7a1ae082ab707da2517b750ae2f349f4e1b915c2f61a6b6c5cac1861b073ef339b31d5f371f98331ee2b3df35c56135e3de76112b3e8768f0c851a461bdde795
SSDEEP

3072:XJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jea//2uFrSc:kfYOX+wTScR/Xzku9LVwZuG

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/1144-1-0x0000000074C40000-0x0000000074C6F000-memory.dmp	dridex_ldr
behavioral1/memory/1144-2-0x0000000074C40000-0x0000000074C6F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
596	1144	WerFault.exe	30

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 1972 wrote to memory of 1144	1972	rundll32.exe	30
PID 1972 wrote to memory of 1144	1972	rundll32.exe	30
PID 1972 wrote to memory of 1144	1972	rundll32.exe	30
PID 1972 wrote to memory of 1144	1972	rundll32.exe	30
PID 1972 wrote to memory of 1144	1972	rundll32.exe	30
PID 1972 wrote to memory of 1144	1972	rundll32.exe	30
PID 1972 wrote to memory of 1144	1972	rundll32.exe	30
PID 1144 wrote to memory of 596	1144	rundll32.exe	32
PID 1144 wrote to memory of 596	1144	rundll32.exe	32
PID 1144 wrote to memory of 596	1144	rundll32.exe	32
PID 1144 wrote to memory of 596	1144	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aff90bb5b3660dd7e77e5b91839d5f8afb93af6e8b23611826279d1faa965938.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aff90bb5b3660dd7e77e5b91839d5f8afb93af6e8b23611826279d1faa965938.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 220
    3⤵
    - Program crash
    PID:596

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/1144-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1144-1-0x0000000074C40000-0x0000000074C6F000-memory.dmp

Filesize
188KB

Download
memory/1144-2-0x0000000074C40000-0x0000000074C6F000-memory.dmp

Filesize
188KB

Download
memory/1144-4-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download