dridex | b8c34fd6e46f3a0c3e3af6e5d87bf7dcad011633b5d588f64e8da9f3afc98a22

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 15:08

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General

Target

JaffaCakes118_b8c34fd6e46f3a0c3e3af6e5d87bf7dcad011633b5d588f64e8da9f3afc98a22.dll
Size

184KB
MD5

858cff0e73768b90bbadce183df84127
SHA1

1f16ffd945e0d9c57594a0be14c01aa2b0e811ec
SHA256

b8c34fd6e46f3a0c3e3af6e5d87bf7dcad011633b5d588f64e8da9f3afc98a22
SHA512

64c9f29fecdc0d3fa8ff38d11ba4d68eb562567aa6cd0bbaf731d8874d391e39351047b90f3eb50e033025a69ec8d4e66df313ffa1d506565551488c9dbf3360
SSDEEP

3072:RiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoNlzoxss7:RiLVCIT4WK2z1W+CUHZj4Skq/eaoDoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2400-1-0x0000000074C30000-0x0000000074C5F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	2400	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 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2092 wrote to memory of 2400	2092	rundll32.exe	30
PID 2400 wrote to memory of 2544	2400	rundll32.exe	32
PID 2400 wrote to memory of 2544	2400	rundll32.exe	32
PID 2400 wrote to memory of 2544	2400	rundll32.exe	32
PID 2400 wrote to memory of 2544	2400	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8c34fd6e46f3a0c3e3af6e5d87bf7dcad011633b5d588f64e8da9f3afc98a22.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8c34fd6e46f3a0c3e3af6e5d87bf7dcad011633b5d588f64e8da9f3afc98a22.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 220
    3⤵
    - Program crash
    PID:2544

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/2400-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2400-1-0x0000000074C30000-0x0000000074C5F000-memory.dmp

Filesize
188KB

Download
memory/2400-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download