dridex | 2fa3173934788cdecff5cb5ffad36e2ed485c8b935ed7b0f4c74a0356a782ad5

Analysis

max time kernel
90s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 18:52

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General

Target

2fa3173934788cdecff5cb5ffad36e2ed485c8b935ed7b0f4c74a0356a782ad5.dll
Size

180KB
MD5

fc612a771e015608d5dda06aa4335bd3
SHA1

2dacb96c9f5cb3955ace7aa155a8f11b9fb37e19
SHA256

2fa3173934788cdecff5cb5ffad36e2ed485c8b935ed7b0f4c74a0356a782ad5
SHA512

3723f3bfcf4ca439ed90b8adaa117986311ca123ad95f733a2f11d945d0e16e584e16b55892cb4c4865060196faf66ac1f821f8bd840f025c20340a5ceb7a056
SSDEEP

3072:e3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:qUZYxfM8+YXfq+SOxTxjipQjzk3

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

94.126.8.2:443

81.2.235.131:1688

178.63.156.139:3388

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
behavioral2/memory/3020-1-0x0000000075400000-0x000000007542E000-memory.dmp	dridex_ldr
behavioral2/memory/3020-2-0x0000000075400000-0x000000007542E000-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

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 1268 wrote to memory of 3020	1268	rundll32.exe	84
PID 1268 wrote to memory of 3020	1268	rundll32.exe	84
PID 1268 wrote to memory of 3020	1268	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fa3173934788cdecff5cb5ffad36e2ed485c8b935ed7b0f4c74a0356a782ad5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fa3173934788cdecff5cb5ffad36e2ed485c8b935ed7b0f4c74a0356a782ad5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3020

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/3020-0-0x0000000001050000-0x0000000001056000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000075400000-0x000000007542E000-memory.dmp

Filesize
184KB

Download
memory/3020-3-0x0000000001050000-0x0000000001056000-memory.dmp

Filesize
24KB

Download
memory/3020-2-0x0000000075400000-0x000000007542E000-memory.dmp

Filesize
184KB

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