dridex | ca76af1f172494f6eedc6731191e6ab96df2ac2cd32576ba6c3c3d3c3eeef61a

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 01:01

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General

Target

9c9ca118372034963b853048c0a67740N.dll
Size

184KB
MD5

9c9ca118372034963b853048c0a67740
SHA1

452350d790b51ee57fba7d5220c2464a689d3e08
SHA256

ca76af1f172494f6eedc6731191e6ab96df2ac2cd32576ba6c3c3d3c3eeef61a
SHA512

504dcce53539ec524a0caddc191276d45f995d0e298d66caaa74e47cbc8086c849042ab610b546ee28dbfc78e1a662ba1b5c0048c7f3dcb306902d02df376cf8
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTorLA:09NSMOEpQ1Q3ODAr+VE

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
behavioral1/memory/2192-1-0x0000000075260000-0x000000007528F000-memory.dmp	dridex_ldr
behavioral1/memory/2192-2-0x0000000075260000-0x000000007528F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	2192	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 2160 wrote to memory of 2192	2160	rundll32.exe	30
PID 2160 wrote to memory of 2192	2160	rundll32.exe	30
PID 2160 wrote to memory of 2192	2160	rundll32.exe	30
PID 2160 wrote to memory of 2192	2160	rundll32.exe	30
PID 2160 wrote to memory of 2192	2160	rundll32.exe	30
PID 2160 wrote to memory of 2192	2160	rundll32.exe	30
PID 2160 wrote to memory of 2192	2160	rundll32.exe	30
PID 2192 wrote to memory of 2856	2192	rundll32.exe	31
PID 2192 wrote to memory of 2856	2192	rundll32.exe	31
PID 2192 wrote to memory of 2856	2192	rundll32.exe	31
PID 2192 wrote to memory of 2856	2192	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9c9ca118372034963b853048c0a67740N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9c9ca118372034963b853048c0a67740N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 220
    3⤵
    - Program crash
    PID:2856

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/2192-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x0000000075260000-0x000000007528F000-memory.dmp

Filesize
188KB

Download
memory/2192-2-0x0000000075260000-0x000000007528F000-memory.dmp

Filesize
188KB

Download
memory/2192-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download