dridex | 4a7b663ab2473bc3729337d81b81fbf8822350f079811a8ad7decb3c0bf4390b

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
22-12-2024 21:20

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General

Target

JaffaCakes118_4a7b663ab2473bc3729337d81b81fbf8822350f079811a8ad7decb3c0bf4390b.dll
Size

184KB
MD5

0629763930eab836cf9a6996b90eb3dd
SHA1

c32da377cb8395737ecc6c2eeda7bebf9a3f0ec9
SHA256

4a7b663ab2473bc3729337d81b81fbf8822350f079811a8ad7decb3c0bf4390b
SHA512

bd4ba5471d80f436ced8a9f925e62d9428a1d01fff48ef84f60ec00c1bd1792dc4f1b08657e6d3d77052aa84baf21ea6969a4110b28874a3b51fd14096e7e7c2
SSDEEP

3072:YiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaojlzoxss7:YiLVCIT4WK2z1W+CUHZj4Skq/eao5oC

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/1172-1-0x0000000074FB0000-0x0000000074FDF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1680	1172	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 1740 wrote to memory of 1172	1740	rundll32.exe	30
PID 1740 wrote to memory of 1172	1740	rundll32.exe	30
PID 1740 wrote to memory of 1172	1740	rundll32.exe	30
PID 1740 wrote to memory of 1172	1740	rundll32.exe	30
PID 1740 wrote to memory of 1172	1740	rundll32.exe	30
PID 1740 wrote to memory of 1172	1740	rundll32.exe	30
PID 1740 wrote to memory of 1172	1740	rundll32.exe	30
PID 1172 wrote to memory of 1680	1172	rundll32.exe	31
PID 1172 wrote to memory of 1680	1172	rundll32.exe	31
PID 1172 wrote to memory of 1680	1172	rundll32.exe	31
PID 1172 wrote to memory of 1680	1172	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a7b663ab2473bc3729337d81b81fbf8822350f079811a8ad7decb3c0bf4390b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a7b663ab2473bc3729337d81b81fbf8822350f079811a8ad7decb3c0bf4390b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1172 -s 220
    3⤵
    - Program crash
    PID:1680

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/1172-0-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1172-1-0x0000000074FB0000-0x0000000074FDF000-memory.dmp

Filesize
188KB

Download
memory/1172-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download