dridex | a5e6989fb2c80c1ba1c7533fe2d8938981e0fc53c1b07a7d30ef732ff3b7ead1

Analysis

max time kernel
68s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 12:23

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General

Target

56d98ec7ea34509fd97cd2b1dca1f820N.dll
Size

180KB
MD5

56d98ec7ea34509fd97cd2b1dca1f820
SHA1

36216edc69df768ddb725e5c1e32d341e5b7915b
SHA256

a5e6989fb2c80c1ba1c7533fe2d8938981e0fc53c1b07a7d30ef732ff3b7ead1
SHA512

d0ab08dcd9270889be6039120fd25c6262aad4956318316dfa47301b6b5cce27e8cd7629196737f85baf6f684f31a4f1dc97b8b29efb4cc64db9b754aef5d88a
SSDEEP

3072:W3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:SUZYxfM8+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

Processes:

resource	yara_rule
behavioral2/memory/4208-1-0x0000000075080000-0x00000000750AE000-memory.dmp	dridex_ldr
behavioral2/memory/4208-2-0x0000000075080000-0x00000000750AE000-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

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	target process
PID 4612 wrote to memory of 4208	4612	rundll32.exe	rundll32.exe
PID 4612 wrote to memory of 4208	4612	rundll32.exe	rundll32.exe
PID 4612 wrote to memory of 4208	4612	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56d98ec7ea34509fd97cd2b1dca1f820N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\56d98ec7ea34509fd97cd2b1dca1f820N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4208

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/4208-0-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/4208-1-0x0000000075080000-0x00000000750AE000-memory.dmp

Filesize
184KB

Download
memory/4208-3-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/4208-2-0x0000000075080000-0x00000000750AE000-memory.dmp

Filesize
184KB

Download