7e7c00740baa58af22ef6f825d86344732464a4e325b5eb6f93f33898de079fa

Analysis

max time kernel
1190s
max time network
1199s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 02:36

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General

Target

728733095fe2c66f91a19ebde412dd25_70186ceb735016eadd98466e62c03635_TheLastReveton.dll
Size

160KB
MD5

728733095fe2c66f91a19ebde412dd25
SHA1

fd1ae96536ef9f29f336425b83022d2beab767a2
SHA256

dff7c0aac326f210705e4f53cd78a57cb277e80ecec7bdffd6f68db3bdda39c3
SHA512

ec992b0eaf04242cd2b21a863c2bf5d0702aa45336625fde0c48a453b7aa32eb9bdbe0bdcce1dafa6d1756214f567aff378931464f97e8191ae290757501b44d
SSDEEP

3072:g/X2RwrY/2VC8+yGdYmmn1P4yJxI4c10V:g/XgwrY+VF+xddmFTxI4

Score

8^/10

discovery persistence

Malware Config

Signatures

Blocklisted process makes network request 14 IoCs

flow	pid	Process
2	1764	rundll32.exe
3	1764	rundll32.exe
6	1764	rundll32.exe
7	1764	rundll32.exe
8	1764	rundll32.exe
9	1764	rundll32.exe
10	1764	rundll32.exe
11	1764	rundll32.exe
12	1764	rundll32.exe
13	1764	rundll32.exe
14	1764	rundll32.exe
15	1764	rundll32.exe
16	1764	rundll32.exe
17	1764	rundll32.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Winmgmt\Parameters\ServiceDll = "C:\\PROGRA~3\\A815D7DBA.zot"	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: 0	1764	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 1764	2072	rundll32.exe	31
PID 2072 wrote to memory of 1764	2072	rundll32.exe	31
PID 2072 wrote to memory of 1764	2072	rundll32.exe	31
PID 2072 wrote to memory of 1764	2072	rundll32.exe	31
PID 2072 wrote to memory of 1764	2072	rundll32.exe	31
PID 2072 wrote to memory of 1764	2072	rundll32.exe	31
PID 2072 wrote to memory of 1764	2072	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\728733095fe2c66f91a19ebde412dd25_70186ceb735016eadd98466e62c03635_TheLastReveton.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\728733095fe2c66f91a19ebde412dd25_70186ceb735016eadd98466e62c03635_TheLastReveton.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Server Software Component: Terminal Services DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/1764-0-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-2-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-20-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-22-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-28-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-30-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-36-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-38-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-43-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-45-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-47-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-49-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-52-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-55-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-57-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download
memory/1764-59-0x000000000B000000-0x000000000B028000-memory.dmp

Filesize
160KB

Download