upatre | 3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31-03-2023 07:47

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General

Target

3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe
Size

4KB
MD5

dfbb4521b0b51a88e7fcc59e6b140ef6
SHA1

b1e65c96e931c5bc6a1eff0e23d31ef8d99c72c9
SHA256

3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6
SHA512

5d4e53d809b01ab515b7f7af69573d5da7b9e4df2898e5bc2636b408d7b52d4f71a5237756926b5a58a7029d58a9892a776228302320f7a9964583004590550c
SSDEEP

48:Zdni+Wyi18DN0nCvTaE6nc9fhXcGEY3sJd9ga91RssNnA7B8mOo4jUx7OtKGc:Z0v4mUWKh9ctgC1RnNnKymV44Sh

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Deletes itself 1 IoCs

pid	Process
1724	szgfw.exe

Executes dropped EXE 1 IoCs

pid	Process
1724	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1376	3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe
1376	3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1724	1376	3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe	28
PID 1376 wrote to memory of 1724	1376	3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe	28
PID 1376 wrote to memory of 1724	1376	3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe	28
PID 1376 wrote to memory of 1724	1376	3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe	28

C:\Users\Admin\AppData\Local\Temp\3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe
"C:\Users\Admin\AppData\Local\Temp\3e0ff50184e04798a2a0c55dd39f482ebfd821668fc00e896c05b2692030dbd6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1724

Network

MITRE ATT&CK Enterprise v6

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
4KB

MD5
4023d2ba233677ee5735328474e645f4

SHA1
6c52eeac4d1db576b194bffe0a0085b789f398f1

SHA256
9b8b350215b3f3f443baaff2302b8c3ac9d74891d5580d27c524bac4e9c156bb

SHA512
26315c8090e78e157d3df7f0c8c9eefede7ed41a50d12c8faa0eeac63fe3761285f1b5a5555ab0bfa45f563469f5e152e9b1847dda50a95da9cb9adfa7299c1f

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

Filesize
4KB

MD5
4023d2ba233677ee5735328474e645f4

SHA1
6c52eeac4d1db576b194bffe0a0085b789f398f1

SHA256
9b8b350215b3f3f443baaff2302b8c3ac9d74891d5580d27c524bac4e9c156bb

SHA512
26315c8090e78e157d3df7f0c8c9eefede7ed41a50d12c8faa0eeac63fe3761285f1b5a5555ab0bfa45f563469f5e152e9b1847dda50a95da9cb9adfa7299c1f

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

Filesize
4KB

MD5
4023d2ba233677ee5735328474e645f4

SHA1
6c52eeac4d1db576b194bffe0a0085b789f398f1

SHA256
9b8b350215b3f3f443baaff2302b8c3ac9d74891d5580d27c524bac4e9c156bb

SHA512
26315c8090e78e157d3df7f0c8c9eefede7ed41a50d12c8faa0eeac63fe3761285f1b5a5555ab0bfa45f563469f5e152e9b1847dda50a95da9cb9adfa7299c1f

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

Filesize
4KB

MD5
4023d2ba233677ee5735328474e645f4

SHA1
6c52eeac4d1db576b194bffe0a0085b789f398f1

SHA256
9b8b350215b3f3f443baaff2302b8c3ac9d74891d5580d27c524bac4e9c156bb

SHA512
26315c8090e78e157d3df7f0c8c9eefede7ed41a50d12c8faa0eeac63fe3761285f1b5a5555ab0bfa45f563469f5e152e9b1847dda50a95da9cb9adfa7299c1f

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

Filesize
4KB

MD5
4023d2ba233677ee5735328474e645f4

SHA1
6c52eeac4d1db576b194bffe0a0085b789f398f1

SHA256
9b8b350215b3f3f443baaff2302b8c3ac9d74891d5580d27c524bac4e9c156bb

SHA512
26315c8090e78e157d3df7f0c8c9eefede7ed41a50d12c8faa0eeac63fe3761285f1b5a5555ab0bfa45f563469f5e152e9b1847dda50a95da9cb9adfa7299c1f

Download Submit