dridex | 9f8cf58c852b9448573df7275489d91824c2b16c1a4fb63d2c4f0a2114219ddc

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-09-2024 04:53

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General

Target

20d7e4cc2f0cb7ccb0952ef6268bcb80N.dll
Size

277KB
MD5

20d7e4cc2f0cb7ccb0952ef6268bcb80
SHA1

f7e9464c812339ff160b3087508a1f161538e4da
SHA256

9f8cf58c852b9448573df7275489d91824c2b16c1a4fb63d2c4f0a2114219ddc
SHA512

128518bee5a6c4ccd9938655e4b9960659fb0a8bfafede35ef9a0e4dd4ed45a2024d0237293bb15875cdeccaea785f18403e2cb542a60d16eedc2342ae3e3c29
SSDEEP

6144:RzWxkOP4p2EesvcDi6DOHPJo3d0KJ4z1WE9au/4pAClIXJO9wMkPjCIeh0mzJMEl:ASOP47es0e6yHPJo3d0KJ4z1WE9au/4L

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/2396-0-0x0000000075130000-0x0000000075161000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2124	2396	WerFault.exe	28

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 2868 wrote to memory of 2396	2868	rundll32.exe	28
PID 2868 wrote to memory of 2396	2868	rundll32.exe	28
PID 2868 wrote to memory of 2396	2868	rundll32.exe	28
PID 2868 wrote to memory of 2396	2868	rundll32.exe	28
PID 2868 wrote to memory of 2396	2868	rundll32.exe	28
PID 2868 wrote to memory of 2396	2868	rundll32.exe	28
PID 2868 wrote to memory of 2396	2868	rundll32.exe	28
PID 2396 wrote to memory of 2124	2396	rundll32.exe	29
PID 2396 wrote to memory of 2124	2396	rundll32.exe	29
PID 2396 wrote to memory of 2124	2396	rundll32.exe	29
PID 2396 wrote to memory of 2124	2396	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\20d7e4cc2f0cb7ccb0952ef6268bcb80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\20d7e4cc2f0cb7ccb0952ef6268bcb80N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 220
    3⤵
    - Program crash
    PID:2124

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/2396-0-0x0000000075130000-0x0000000075161000-memory.dmp

Filesize
196KB

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memory/2396-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

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