dridex | 8749b702d2813d99cb646c95cdba5d16d6db3935bd0fb2937b05f236b11ddc86

Analysis

max time kernel
114s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 15:13

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General

Target
1e17587f6bb4313f690eda29aa7005d0N.dll
Size 188KB
Sample240906-slrmtashnr
SHA256 8749b702d2813d99cb646c95cdba5d16d6db3935bd0fb2937b05f236b11ddc86
MD5 1e17587f6bb4313f690eda29aa7005d0
SHA1 0c88a5555b67d405b7f22845367eec81b4df3ec2
SHA512 25539da5e2c989b2eef71096a1363db20b524571701cca5d158f038b720f43d45f4ff44492969def06ad1cdcf3cfd68aa88e30e2ff9d271e7a501c1ad97fbe99
SSDEEP 3072:0teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzf9qM:Iq7fYIHBZkTB6DWruUCOwjt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443
45.32.243.209:8116
207.180.208.54:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4840-1-0x0000000074EE0000-0x0000000074F10000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1332	4840	WerFault.exe	82

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 2560 wrote to memory of 4840	2560	rundll32.exe	82
PID 2560 wrote to memory of 4840	2560	rundll32.exe	82
PID 2560 wrote to memory of 4840	2560	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e17587f6bb4313f690eda29aa7005d0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e17587f6bb4313f690eda29aa7005d0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 700
    3⤵
    - Program crash
    PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4840 -ip 4840
1⤵
PID:3768

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/4840-0-0x00000000008E0000-0x00000000008E6000-memory.dmp

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memory/4840-1-0x0000000074EE0000-0x0000000074F10000-memory.dmp

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memory/4840-3-0x00000000008E0000-0x00000000008E6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads