upatre | 17836982805782864a82a83ffec59ca02462b608679364257a77fab56d4a6578

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
22-10-2023 13:27

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General

Target

NEAS.603a8f664af08aac0e419f2e35a16869_JC.exe
Size

34KB
MD5

603a8f664af08aac0e419f2e35a16869
SHA1

dacaab6108877b1766d244401cc7305bd88bc298
SHA256

17836982805782864a82a83ffec59ca02462b608679364257a77fab56d4a6578
SHA512

d9189fa8b1a7e8f1a3f1841757fc20b7b63b0e93f94095e068fa6c10df072bbc05c02463fccb4bedfd966a58ac002472fa5a21fb538c4dd5e6501f5fad584266
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rPy8FX5A:GY9jw/dUT62rGdiUOWWra8F6

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1976	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
2188	NEAS.603a8f664af08aac0e419f2e35a16869_JC.exe
2188	NEAS.603a8f664af08aac0e419f2e35a16869_JC.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 2188 wrote to memory of 1976	2188	NEAS.603a8f664af08aac0e419f2e35a16869_JC.exe	28
PID 2188 wrote to memory of 1976	2188	NEAS.603a8f664af08aac0e419f2e35a16869_JC.exe	28
PID 2188 wrote to memory of 1976	2188	NEAS.603a8f664af08aac0e419f2e35a16869_JC.exe	28
PID 2188 wrote to memory of 1976	2188	NEAS.603a8f664af08aac0e419f2e35a16869_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.603a8f664af08aac0e419f2e35a16869_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.603a8f664af08aac0e419f2e35a16869_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1976

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
34KB

MD5
f7733c5589242d48fef772fd7531ad32

SHA1
452ed0e4aa208b2d02dbc31ed593a4b57181f281

SHA256
79067d629132a5bb8ba2f135b8fc0b11d2b3c75fd455ba4f00a63fc011dbe687

SHA512
dd619379a14d20d49dffd3999fec8908d64e451259e5d2d038f7ab67042c1cf46470e4cb550de12938165202866473a003d03a483af8f6211ac07eebb38c9b55

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

Filesize
34KB

MD5
f7733c5589242d48fef772fd7531ad32

SHA1
452ed0e4aa208b2d02dbc31ed593a4b57181f281

SHA256
79067d629132a5bb8ba2f135b8fc0b11d2b3c75fd455ba4f00a63fc011dbe687

SHA512
dd619379a14d20d49dffd3999fec8908d64e451259e5d2d038f7ab67042c1cf46470e4cb550de12938165202866473a003d03a483af8f6211ac07eebb38c9b55

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

Filesize
34KB

MD5
f7733c5589242d48fef772fd7531ad32

SHA1
452ed0e4aa208b2d02dbc31ed593a4b57181f281

SHA256
79067d629132a5bb8ba2f135b8fc0b11d2b3c75fd455ba4f00a63fc011dbe687

SHA512
dd619379a14d20d49dffd3999fec8908d64e451259e5d2d038f7ab67042c1cf46470e4cb550de12938165202866473a003d03a483af8f6211ac07eebb38c9b55

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

Filesize
34KB

MD5
f7733c5589242d48fef772fd7531ad32

SHA1
452ed0e4aa208b2d02dbc31ed593a4b57181f281

SHA256
79067d629132a5bb8ba2f135b8fc0b11d2b3c75fd455ba4f00a63fc011dbe687

SHA512
dd619379a14d20d49dffd3999fec8908d64e451259e5d2d038f7ab67042c1cf46470e4cb550de12938165202866473a003d03a483af8f6211ac07eebb38c9b55

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

Filesize
34KB

MD5
f7733c5589242d48fef772fd7531ad32

SHA1
452ed0e4aa208b2d02dbc31ed593a4b57181f281

SHA256
79067d629132a5bb8ba2f135b8fc0b11d2b3c75fd455ba4f00a63fc011dbe687

SHA512
dd619379a14d20d49dffd3999fec8908d64e451259e5d2d038f7ab67042c1cf46470e4cb550de12938165202866473a003d03a483af8f6211ac07eebb38c9b55

Download Submit
memory/2188-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2188-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download