dridex | 05b118452b54c694e51f4e75d6227000188ebc820b1ae0eedd8a478342e763d6

Analysis

max time kernel
61s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 12:29

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General

Target

05b118452b54c694e51f4e75d6227000188ebc820b1ae0eedd8a478342e763d6.dll
Size

180KB
MD5

b9b7f01f8dce7a2b4d237642a4564893
SHA1

4ecd9ccbe936f92eac6943fe0230f02593b28930
SHA256

05b118452b54c694e51f4e75d6227000188ebc820b1ae0eedd8a478342e763d6
SHA512

32f9cea5e8fcf6472e9fcacaf33150cc30009f78c42180b139aa1af9ea3c5cd0b6e9857a30f7d15674aee5d26884e3cb14aca1f26df52ca85c4e303fecaa37be
SSDEEP

3072:M3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:YUZYxfM8+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/1456-0-0x0000000075420000-0x000000007544E000-memory.dmp	dridex_ldr
behavioral2/memory/1456-2-0x0000000075420000-0x000000007544E000-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 4088 wrote to memory of 1456	4088	rundll32.exe	84
PID 4088 wrote to memory of 1456	4088	rundll32.exe	84
PID 4088 wrote to memory of 1456	4088	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05b118452b54c694e51f4e75d6227000188ebc820b1ae0eedd8a478342e763d6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\05b118452b54c694e51f4e75d6227000188ebc820b1ae0eedd8a478342e763d6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1456

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/1456-1-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

Download
memory/1456-0-0x0000000075420000-0x000000007544E000-memory.dmp

Filesize
184KB

Download
memory/1456-2-0x0000000075420000-0x000000007544E000-memory.dmp

Filesize
184KB

Download
memory/1456-3-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

Filesize
24KB

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