e70dc307eaf88429650359397c74ae88663df1cfc05b8e97f80d0bad758986ee

Analysis

max time kernel
140s
max time network
126s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
26/08/2023, 19:30

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General

Target

winupas.exe
Size

177KB
MD5

6dab0adacbf99a4870eea3ba5e50203c
SHA1

b674453f925202773462ce00499fdb6a9cfe9484
SHA256

e70dc307eaf88429650359397c74ae88663df1cfc05b8e97f80d0bad758986ee
SHA512

cc96a17601b74869b34c08eef7a36376b7889b94f89ae0de4b3c1f07828f9d126250bd2b6c66b1a925faf77d27ba7f0c8001488bfab8d400709e6d820e35c012
SSDEEP

3072:nqn8swZo+N1kF56rwOixLuY3I4NkxDVXflF2FIPy:qn8swZo+7183LuVXflF2F

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1572	winupas.exe

Loads dropped DLL 2 IoCs

pid	Process
2040	winupas.exe
2040	winupas.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update Assistant = "\"C:\\Users\\Admin\\AppData\\Roaming\\winupas.exe\" x"	winupas.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1572	2040	winupas.exe	28
PID 2040 wrote to memory of 1572	2040	winupas.exe	28
PID 2040 wrote to memory of 1572	2040	winupas.exe	28
PID 2040 wrote to memory of 1572	2040	winupas.exe	28

C:\Users\Admin\AppData\Local\Temp\winupas.exe
"C:\Users\Admin\AppData\Local\Temp\winupas.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Roaming\winupas.exe
  "C:\Users\Admin\AppData\Roaming\winupas.exe" x
  2⤵
  - Executes dropped EXE
  PID:1572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\winupas.exe

Filesize
177KB

MD5
6dab0adacbf99a4870eea3ba5e50203c

SHA1
b674453f925202773462ce00499fdb6a9cfe9484

SHA256
e70dc307eaf88429650359397c74ae88663df1cfc05b8e97f80d0bad758986ee

SHA512
cc96a17601b74869b34c08eef7a36376b7889b94f89ae0de4b3c1f07828f9d126250bd2b6c66b1a925faf77d27ba7f0c8001488bfab8d400709e6d820e35c012

Download Submit
C:\Users\Admin\AppData\Roaming\winupas.exe

Filesize
177KB

MD5
6dab0adacbf99a4870eea3ba5e50203c

SHA1
b674453f925202773462ce00499fdb6a9cfe9484

SHA256
e70dc307eaf88429650359397c74ae88663df1cfc05b8e97f80d0bad758986ee

SHA512
cc96a17601b74869b34c08eef7a36376b7889b94f89ae0de4b3c1f07828f9d126250bd2b6c66b1a925faf77d27ba7f0c8001488bfab8d400709e6d820e35c012

Download Submit
C:\Users\Admin\AppData\Roaming\winupas.exe

Filesize
177KB

MD5
6dab0adacbf99a4870eea3ba5e50203c

SHA1
b674453f925202773462ce00499fdb6a9cfe9484

SHA256
e70dc307eaf88429650359397c74ae88663df1cfc05b8e97f80d0bad758986ee

SHA512
cc96a17601b74869b34c08eef7a36376b7889b94f89ae0de4b3c1f07828f9d126250bd2b6c66b1a925faf77d27ba7f0c8001488bfab8d400709e6d820e35c012

Download Submit
\Users\Admin\AppData\Roaming\winupas.exe

Filesize
177KB

MD5
6dab0adacbf99a4870eea3ba5e50203c

SHA1
b674453f925202773462ce00499fdb6a9cfe9484

SHA256
e70dc307eaf88429650359397c74ae88663df1cfc05b8e97f80d0bad758986ee

SHA512
cc96a17601b74869b34c08eef7a36376b7889b94f89ae0de4b3c1f07828f9d126250bd2b6c66b1a925faf77d27ba7f0c8001488bfab8d400709e6d820e35c012

Download Submit
\Users\Admin\AppData\Roaming\winupas.exe

Filesize
177KB

MD5
6dab0adacbf99a4870eea3ba5e50203c

SHA1
b674453f925202773462ce00499fdb6a9cfe9484

SHA256
e70dc307eaf88429650359397c74ae88663df1cfc05b8e97f80d0bad758986ee

SHA512
cc96a17601b74869b34c08eef7a36376b7889b94f89ae0de4b3c1f07828f9d126250bd2b6c66b1a925faf77d27ba7f0c8001488bfab8d400709e6d820e35c012

Download Submit
memory/1572-1125-0x0000000001CB0000-0x0000000001CD5000-memory.dmp

Filesize
148KB

Download
memory/1572-776-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1572-775-0x0000000001CB0000-0x0000000001CD5000-memory.dmp

Filesize
148KB

Download
memory/2040-44-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-52-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-16-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-17-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-19-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-21-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-20-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-24-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-26-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-28-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-30-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-32-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-34-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-37-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-36-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-40-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-0-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-42-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-46-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-48-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-50-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-13-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-55-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-53-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-56-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-58-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-60-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-61-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-63-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-64-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-415-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-763-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2040-15-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-12-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-10-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-8-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-774-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-6-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-4-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-2-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download
memory/2040-1-0x00000000002C0000-0x00000000002E5000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads