dridex | fdf7ec439c4ecfd98999b842a8e8ca05f14044c58acd001dd7bcd71bd4d1c74d

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 03:14

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General

Target

JaffaCakes118_fdf7ec439c4ecfd98999b842a8e8ca05f14044c58acd001dd7bcd71bd4d1c74d.dll
Size

184KB
MD5

2c63e617aa595a36857bdbb7db90d683
SHA1

e17548251e5c74eef6951f5f791f6ff45b8225e8
SHA256

fdf7ec439c4ecfd98999b842a8e8ca05f14044c58acd001dd7bcd71bd4d1c74d
SHA512

379fd6fc03f27407f544de0759147ee3fffae702428267c8d6bf9a1b951d6cbb2c4deb7b6c34061fba874a17b3eba49ae1cbbdf71d7fea6e19da97c3b97894ed
SSDEEP

3072:bJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JWa//2uFrSc:AfYOX+wTScR/Xzku9LVwduG

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/2168-1-0x0000000074AE0000-0x0000000074B0F000-memory.dmp	dridex_ldr
behavioral1/memory/2168-2-0x0000000074AE0000-0x0000000074B0F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2168	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 2828 wrote to memory of 2168	2828	rundll32.exe	30
PID 2828 wrote to memory of 2168	2828	rundll32.exe	30
PID 2828 wrote to memory of 2168	2828	rundll32.exe	30
PID 2828 wrote to memory of 2168	2828	rundll32.exe	30
PID 2828 wrote to memory of 2168	2828	rundll32.exe	30
PID 2828 wrote to memory of 2168	2828	rundll32.exe	30
PID 2828 wrote to memory of 2168	2828	rundll32.exe	30
PID 2168 wrote to memory of 2700	2168	rundll32.exe	31
PID 2168 wrote to memory of 2700	2168	rundll32.exe	31
PID 2168 wrote to memory of 2700	2168	rundll32.exe	31
PID 2168 wrote to memory of 2700	2168	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fdf7ec439c4ecfd98999b842a8e8ca05f14044c58acd001dd7bcd71bd4d1c74d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fdf7ec439c4ecfd98999b842a8e8ca05f14044c58acd001dd7bcd71bd4d1c74d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 220
    3⤵
    - Program crash
    PID:2700

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/2168-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2168-1-0x0000000074AE0000-0x0000000074B0F000-memory.dmp

Filesize
188KB

Download
memory/2168-2-0x0000000074AE0000-0x0000000074B0F000-memory.dmp

Filesize
188KB

Download
memory/2168-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

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