dridex | 3e91721b701576dc79ded425969388bd11442141f4c96e5c912f8c95e8618516

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 11:31 UTC

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General

Target

JaffaCakes118_3e91721b701576dc79ded425969388bd11442141f4c96e5c912f8c95e8618516.dll
Size

184KB
MD5

9c5e49330db7f25adada27f31ae0c328
SHA1

f7a961ab461809caa791d94f873ea45e51a97f87
SHA256

3e91721b701576dc79ded425969388bd11442141f4c96e5c912f8c95e8618516
SHA512

5014fd06f46e6d888b322b208c1bc34583b099db86db94cbb3606bf128d273f92e51b4442abef4475f5802fb032751947e1ba2cb69d54a2616d5c225847005f4
SSDEEP

3072:RiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoAlzoxss7:RiLVCIT4WK2z1W+CUHZj4Skq/eao+oC

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

1
XH2KyJtcJ7RSk5n0Ak2zUIsoefdhHZlKRYf

rc4.plain

1
4kmGii2PxD0nUmTK0vPB5SKEDW52nDGZTaRL4tBBLTmujo5lrSKFODpSSewAaVVxr3oshb5

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/2444-1-0x0000000074B70000-0x0000000074B9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2748	2444	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 2404 wrote to memory of 2444	2404	rundll32.exe	30
PID 2404 wrote to memory of 2444	2404	rundll32.exe	30
PID 2404 wrote to memory of 2444	2404	rundll32.exe	30
PID 2404 wrote to memory of 2444	2404	rundll32.exe	30
PID 2404 wrote to memory of 2444	2404	rundll32.exe	30
PID 2404 wrote to memory of 2444	2404	rundll32.exe	30
PID 2404 wrote to memory of 2444	2404	rundll32.exe	30
PID 2444 wrote to memory of 2748	2444	rundll32.exe	31
PID 2444 wrote to memory of 2748	2444	rundll32.exe	31
PID 2444 wrote to memory of 2748	2444	rundll32.exe	31
PID 2444 wrote to memory of 2748	2444	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e91721b701576dc79ded425969388bd11442141f4c96e5c912f8c95e8618516.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e91721b701576dc79ded425969388bd11442141f4c96e5c912f8c95e8618516.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 220
    3⤵
    - Program crash
    PID:2748

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/2444-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2444-1-0x0000000074B70000-0x0000000074B9F000-memory.dmp

Filesize
188KB

Download
memory/2444-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download