dridex | 011f2da81548ee213aa655476f320d784d50197305fa6dc0d90819d38b3eff3b

Analysis

max time kernel
73s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 20:13

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General

Target

011f2da81548ee213aa655476f320d784d50197305fa6dc0d90819d38b3eff3bN.dll
Size

180KB
MD5

a94bd502fb2b516bc02543463f06b160
SHA1

43e631be000771a685e44e2fa6f82a7cac882796
SHA256

011f2da81548ee213aa655476f320d784d50197305fa6dc0d90819d38b3eff3b
SHA512

1dc0754ad799decbc4097a34cf3bcd8889fe9d23370e4afaca1d5280e25ffe2d7df9c67dcfbe1f72f3f8257f460914ce0a296564ec2884c455e8cb8fb9d4b085
SSDEEP

3072:/3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:fUZYxfM8+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
behavioral1/memory/2540-1-0x0000000074770000-0x000000007479E000-memory.dmp	dridex_ldr
behavioral1/memory/2540-2-0x0000000074770000-0x000000007479E000-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 7 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2540	2532	rundll32.exe	30
PID 2532 wrote to memory of 2540	2532	rundll32.exe	30
PID 2532 wrote to memory of 2540	2532	rundll32.exe	30
PID 2532 wrote to memory of 2540	2532	rundll32.exe	30
PID 2532 wrote to memory of 2540	2532	rundll32.exe	30
PID 2532 wrote to memory of 2540	2532	rundll32.exe	30
PID 2532 wrote to memory of 2540	2532	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\011f2da81548ee213aa655476f320d784d50197305fa6dc0d90819d38b3eff3bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\011f2da81548ee213aa655476f320d784d50197305fa6dc0d90819d38b3eff3bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2540

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/2540-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2540-1-0x0000000074770000-0x000000007479E000-memory.dmp

Filesize
184KB

Download
memory/2540-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2540-2-0x0000000074770000-0x000000007479E000-memory.dmp

Filesize
184KB

Download