dridex | 2d21281534963609607d8492bd8c99141d655ced164480787db7c1eddf133d3d

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

Processes:

resource	yara_rule
behavioral1/memory/1744-0-0x00000000748B0000-0x00000000748DF000-memory.dmp	dridex_ldr
behavioral1/memory/1744-3-0x00000000748B0000-0x00000000748DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2296 1744 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2296	1744	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1748 wrote to memory of 1744	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1744	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1744	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1744	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1744	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1744	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1744	1748	rundll32.exe	rundll32.exe
PID 1744 wrote to memory of 2296	1744	rundll32.exe	WerFault.exe
PID 1744 wrote to memory of 2296	1744	rundll32.exe	WerFault.exe
PID 1744 wrote to memory of 2296	1744	rundll32.exe	WerFault.exe
PID 1744 wrote to memory of 2296	1744	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d21281534963609607d8492bd8c99141d655ced164480787db7c1eddf133d3dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d21281534963609607d8492bd8c99141d655ced164480787db7c1eddf133d3dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 220
    3⤵
    - Program crash
    PID:2296

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/1744-0-0x00000000748B0000-0x00000000748DF000-memory.dmp

Filesize
188KB

Download
memory/1744-2-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1744-3-0x00000000748B0000-0x00000000748DF000-memory.dmp

Filesize
188KB

Download