dridex | bfa58a7da05ceeffd2f4c13285180282c5aaf034b2dba08bbee55998b2ed9e42

Analysis

max time kernel
110s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 05:45

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General

Target

29da941b92960c2bbc154aefbc044250N.dll
Size

196KB
MD5

29da941b92960c2bbc154aefbc044250
SHA1

fcce147ae93894b2edf1c99c5346d42c54be0352
SHA256

bfa58a7da05ceeffd2f4c13285180282c5aaf034b2dba08bbee55998b2ed9e42
SHA512

bb15310b6e2b6d2375c8b3aea27eb9f7a94671843f70a7065ebe756f3a29deaae8ebd9980a754af71bd71bbd6cfbfd6d13bd5df692259ca7c21a673316709b0e
SSDEEP

3072:tuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJrI:xzWxkOP4p2EesvcDi6DOHPJKI

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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
behavioral1/memory/2208-1-0x0000000074CD0000-0x0000000074D01000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	2208	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 880 wrote to memory of 2208	880	rundll32.exe	30
PID 880 wrote to memory of 2208	880	rundll32.exe	30
PID 880 wrote to memory of 2208	880	rundll32.exe	30
PID 880 wrote to memory of 2208	880	rundll32.exe	30
PID 880 wrote to memory of 2208	880	rundll32.exe	30
PID 880 wrote to memory of 2208	880	rundll32.exe	30
PID 880 wrote to memory of 2208	880	rundll32.exe	30
PID 2208 wrote to memory of 2792	2208	rundll32.exe	31
PID 2208 wrote to memory of 2792	2208	rundll32.exe	31
PID 2208 wrote to memory of 2792	2208	rundll32.exe	31
PID 2208 wrote to memory of 2792	2208	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\29da941b92960c2bbc154aefbc044250N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\29da941b92960c2bbc154aefbc044250N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 220
    3⤵
    - Program crash
    PID:2792

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/2208-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x0000000074CD0000-0x0000000074D01000-memory.dmp

Filesize
196KB

Download
memory/2208-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download