dridex | 2d21281534963609607d8492bd8c99141d655ced164480787db7c1eddf133d3d

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2024 12:40

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General

Target

2d21281534963609607d8492bd8c99141d655ced164480787db7c1eddf133d3dN.dll
Size

184KB
MD5

e3c08e5825f079bcd21c02b9a6292380
SHA1

a0b7be09f2137510b1aa6ace73ad66301790612a
SHA256

2d21281534963609607d8492bd8c99141d655ced164480787db7c1eddf133d3d
SHA512

6fa944957aec941eaa4d5bcbfb8be24932dd774623fcf4fa1f91ac1caa3e7de7aa1e9ec95726c1eff427c6a0850149d767ee7905faa8cc288949f7a22ad2a393
SSDEEP

3072:u92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT+rLA:u9NSMOEpQ1Q3ODAr+Vy

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4172-1-0x0000000075550000-0x000000007557F000-memory.dmp	dridex_ldr
behavioral2/memory/4172-2-0x0000000075550000-0x000000007557F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	4172	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 4172	4876	rundll32.exe	84
PID 4876 wrote to memory of 4172	4876	rundll32.exe	84
PID 4876 wrote to memory of 4172	4876	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d21281534963609607d8492bd8c99141d655ced164480787db7c1eddf133d3dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d21281534963609607d8492bd8c99141d655ced164480787db7c1eddf133d3dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 616
    3⤵
    - Program crash
    PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4172 -ip 4172
1⤵
PID:4384

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/4172-0-0x0000000002450000-0x0000000002456000-memory.dmp

Filesize
24KB

Download
memory/4172-1-0x0000000075550000-0x000000007557F000-memory.dmp

Filesize
188KB

Download
memory/4172-2-0x0000000075550000-0x000000007557F000-memory.dmp

Filesize
188KB

Download
memory/4172-3-0x0000000002450000-0x0000000002456000-memory.dmp

Filesize
24KB

Download