dridex | 2b81efeac1fd34fb5ece8704dde303dfaabcac2fc074f8462aeb620c70ab9f7d

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 13:36

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General

Target

JaffaCakes118_2b81efeac1fd34fb5ece8704dde303dfaabcac2fc074f8462aeb620c70ab9f7d.dll
Size

184KB
MD5

026aa1bc331de85a035dc1eae986a310
SHA1

d308cb3dcf5839f0d65f1856a18dab532be0356b
SHA256

2b81efeac1fd34fb5ece8704dde303dfaabcac2fc074f8462aeb620c70ab9f7d
SHA512

ad1950a3ec86e3ff7a1087807a83b382e4e0f0ff45c24d56365bfe2b77443c8baa6e09f9bfa132a4198854190eb949e6c19bed79f663a6b6aa690799ddaf25b2
SSDEEP

3072:fiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoglzoxss7:fiLVCIT4WK2z1W+CUHZj4Skq/eaoeoC

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/2540-1-0x0000000075490000-0x00000000754BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1484	2540	WerFault.exe	29

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 1048 wrote to memory of 2540	1048	rundll32.exe	29
PID 1048 wrote to memory of 2540	1048	rundll32.exe	29
PID 1048 wrote to memory of 2540	1048	rundll32.exe	29
PID 1048 wrote to memory of 2540	1048	rundll32.exe	29
PID 1048 wrote to memory of 2540	1048	rundll32.exe	29
PID 1048 wrote to memory of 2540	1048	rundll32.exe	29
PID 1048 wrote to memory of 2540	1048	rundll32.exe	29
PID 2540 wrote to memory of 1484	2540	rundll32.exe	30
PID 2540 wrote to memory of 1484	2540	rundll32.exe	30
PID 2540 wrote to memory of 1484	2540	rundll32.exe	30
PID 2540 wrote to memory of 1484	2540	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2b81efeac1fd34fb5ece8704dde303dfaabcac2fc074f8462aeb620c70ab9f7d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2b81efeac1fd34fb5ece8704dde303dfaabcac2fc074f8462aeb620c70ab9f7d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 224
    3⤵
    - Program crash
    PID:1484

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/2540-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2540-1-0x0000000075490000-0x00000000754BF000-memory.dmp

Filesize
188KB

Download
memory/2540-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download