upatre | 4b52458363abc72930122709e53bb9c99e5ec496f3980f4dfbb214e8708caa53

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01-11-2023 14:17

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General

Target

NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.exe
Size

43KB
MD5

b0764a5e24c0ab081b543d4ac9ca7b40
SHA1

27659ce209165584fdaea6d08b58d1df19f4f0bb
SHA256

4b52458363abc72930122709e53bb9c99e5ec496f3980f4dfbb214e8708caa53
SHA512

8004ca24e67eaae53fdec41dc641f30c48f2da11ef48a521d68202a403c168c14adf454abe80412de95dfbc3e85a8ecd00726477a09fb5238b84713a5c70b946
SSDEEP

768:v+dAURFxna4QAPQlYgkFlplVDuyUylyylylytlylySyPyb+L7Gdr/5syyoEdylYg:v6wosj+swSde80A

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1740	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
2080	NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.exe
2080	NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.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 2080 wrote to memory of 1740	2080	NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.exe	28
PID 2080 wrote to memory of 1740	2080	NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.exe	28
PID 2080 wrote to memory of 1740	2080	NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.exe	28
PID 2080 wrote to memory of 1740	2080	NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b0764a5e24c0ab081b543d4ac9ca7b40.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Local\Temp\szgfw.exe

Filesize
43KB

MD5
2797dbfd935995d171d1d6cea4a8eeac

SHA1
87be17a7d008a559a1c7492bcf92cfad30ad7b5f

SHA256
f7e0125b46f69173a1e37324f9d57508976d108c7b2e5602aac9b708efe0ce0b

SHA512
9086eb80c85cc3e678bd111324bd668136e4b2f0ad33603aba36a4d3848b73b78d7a38a174038102a7c908b2f181df8e7aab0c3555bc4081e411a7a0b5001351

Download Submit
C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
43KB

MD5
2797dbfd935995d171d1d6cea4a8eeac

SHA1
87be17a7d008a559a1c7492bcf92cfad30ad7b5f

SHA256
f7e0125b46f69173a1e37324f9d57508976d108c7b2e5602aac9b708efe0ce0b

SHA512
9086eb80c85cc3e678bd111324bd668136e4b2f0ad33603aba36a4d3848b73b78d7a38a174038102a7c908b2f181df8e7aab0c3555bc4081e411a7a0b5001351

Download Submit
C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
43KB

MD5
2797dbfd935995d171d1d6cea4a8eeac

SHA1
87be17a7d008a559a1c7492bcf92cfad30ad7b5f

SHA256
f7e0125b46f69173a1e37324f9d57508976d108c7b2e5602aac9b708efe0ce0b

SHA512
9086eb80c85cc3e678bd111324bd668136e4b2f0ad33603aba36a4d3848b73b78d7a38a174038102a7c908b2f181df8e7aab0c3555bc4081e411a7a0b5001351

Download Submit
\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
43KB

MD5
2797dbfd935995d171d1d6cea4a8eeac

SHA1
87be17a7d008a559a1c7492bcf92cfad30ad7b5f

SHA256
f7e0125b46f69173a1e37324f9d57508976d108c7b2e5602aac9b708efe0ce0b

SHA512
9086eb80c85cc3e678bd111324bd668136e4b2f0ad33603aba36a4d3848b73b78d7a38a174038102a7c908b2f181df8e7aab0c3555bc4081e411a7a0b5001351

Download Submit
\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
43KB

MD5
2797dbfd935995d171d1d6cea4a8eeac

SHA1
87be17a7d008a559a1c7492bcf92cfad30ad7b5f

SHA256
f7e0125b46f69173a1e37324f9d57508976d108c7b2e5602aac9b708efe0ce0b

SHA512
9086eb80c85cc3e678bd111324bd668136e4b2f0ad33603aba36a4d3848b73b78d7a38a174038102a7c908b2f181df8e7aab0c3555bc4081e411a7a0b5001351

Download Submit