dridex | b1300405ab6f20ee1d4c6ae22e0531085daecdee0f74a60588d8618d8998c197

Analysis

max time kernel
78s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 01:52

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General

Target

b1300405ab6f20ee1d4c6ae22e0531085daecdee0f74a60588d8618d8998c197.dll
Size

180KB
MD5

15b001e30a90765a5e6a7583fed04f9d
SHA1

a3e92cb1686ae5883b82b8338d04ccde78caa2fe
SHA256

b1300405ab6f20ee1d4c6ae22e0531085daecdee0f74a60588d8618d8998c197
SHA512

cc25ae583bb3295d2ddf9a1b4cbb3f12d4006ce93eadc52924bb36b6504002843ec77acc34144acf5def78d852b4b8e074af6ba31d7ee94ceb4fe9dbba1abf5a
SSDEEP

3072:E3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:gUZYxfM8+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/3796-1-0x0000000074A50000-0x0000000074A7E000-memory.dmp	dridex_ldr
behavioral2/memory/3796-2-0x0000000074A50000-0x0000000074A7E000-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 4376 wrote to memory of 3796	4376	rundll32.exe	84
PID 4376 wrote to memory of 3796	4376	rundll32.exe	84
PID 4376 wrote to memory of 3796	4376	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1300405ab6f20ee1d4c6ae22e0531085daecdee0f74a60588d8618d8998c197.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1300405ab6f20ee1d4c6ae22e0531085daecdee0f74a60588d8618d8998c197.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3796

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/3796-0-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/3796-1-0x0000000074A50000-0x0000000074A7E000-memory.dmp

Filesize
184KB

Download
memory/3796-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/3796-2-0x0000000074A50000-0x0000000074A7E000-memory.dmp

Filesize
184KB

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