dridex | d98875796234e4fd463264950446b5cd96405fee434373b82eb7aaeed0d9b509

Analysis

max time kernel
67s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 16:04

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General

Target

dba33b05ad73a13bef079ac964a26360N.dll
Size

176KB
MD5

dba33b05ad73a13bef079ac964a26360
SHA1

42cd44db2c1e14fd14b177ba5f96eb80e93a262a
SHA256

d98875796234e4fd463264950446b5cd96405fee434373b82eb7aaeed0d9b509
SHA512

9e175dbba0b2423bfa4fe4e2f6bd188c5de0ec1aa7ffb3c54a416aed7618d48e3dd58072f13376c59329b8a36a6754a284c9943cb5a271ec4666aaa907c19a96
SSDEEP

3072:ekuFv+1jFURSOOAONTxyUMN4lmg1sHednTLPfUTuIzMCIlpJDa9:ek+v+veSFrNT8V4sH0n/nGz8rJW

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

175.126.167.148:443

173.249.20.233:8043

162.241.204.233:4443

138.122.143.40:8043

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
behavioral2/memory/2712-0-0x0000000075260000-0x000000007528D000-memory.dmp	dridex_ldr
behavioral2/memory/2712-2-0x0000000075260000-0x000000007528D000-memory.dmp	dridex_ldr

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3708 wrote to memory of 2712	3708	rundll32.exe	82
PID 3708 wrote to memory of 2712	3708	rundll32.exe	82
PID 3708 wrote to memory of 2712	3708	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dba33b05ad73a13bef079ac964a26360N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dba33b05ad73a13bef079ac964a26360N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712

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/2712-0-0x0000000075260000-0x000000007528D000-memory.dmp

Filesize
180KB

Download
memory/2712-1-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/2712-2-0x0000000075260000-0x000000007528D000-memory.dmp

Filesize
180KB

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