dridex | 83c1e53b16b87a658ee652ae559c902fb16a94bb2715b0312165bb090a9ea3de

Analysis

max time kernel
98s
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
14-09-2024 17:52

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General

Target

83c1e53b16b87a658ee652ae559c902fb16a94bb2715b0312165bb090a9ea3de.dll
Size

180KB
MD5

9d7da4504d7879636e9e2aedd2d5a763
SHA1

1696ff6a3a51d4a48ca64759a00f8e6385f83334
SHA256

83c1e53b16b87a658ee652ae559c902fb16a94bb2715b0312165bb090a9ea3de
SHA512

0fd6bfa0b83cad077d723f425fe3d76f9518ba55e9c63b54cfdabc2e7942244bc015e6f577987444688932a8dff2be87ec529a22e63471394c4653aa12f80eca
SSDEEP

3072:m3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:iUZYxfM8+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/3504-1-0x0000000074CF0000-0x0000000074D1E000-memory.dmp	dridex_ldr
behavioral2/memory/3504-2-0x0000000074CF0000-0x0000000074D1E000-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 404 wrote to memory of 3504	404	rundll32.exe	82
PID 404 wrote to memory of 3504	404	rundll32.exe	82
PID 404 wrote to memory of 3504	404	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\83c1e53b16b87a658ee652ae559c902fb16a94bb2715b0312165bb090a9ea3de.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\83c1e53b16b87a658ee652ae559c902fb16a94bb2715b0312165bb090a9ea3de.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3504

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/3504-0-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3504-1-0x0000000074CF0000-0x0000000074D1E000-memory.dmp

Filesize
184KB

Download
memory/3504-2-0x0000000074CF0000-0x0000000074D1E000-memory.dmp

Filesize
184KB

Download
memory/3504-3-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

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