upatre | 19e9b4524bbab365e60b1e0f75cb73ffee4caa96f57f1033e5701c96474bc65e

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
09-11-2022 10:49

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General

Target

741/8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.exe
Size

25KB
MD5

bcf28e4b22e53eca75ffcf70a67bc243
SHA1

8e17707e5cf83001a8a640bc21c2269fbabf53f0
SHA256

8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50
SHA512

725c765bffe9638e764e7ae96d90e00ed8bacc4849c69d491e55f92f1012752f9dced3dcbf5acb96706fbd9156e1697b2bb035c5a9ef15885183d85a496a7eb9
SSDEEP

768:v+qAUVByyyNylXUylqylylmMxgMyXAN5IkSFlOxXmkewtWVJ/Yt:vNVrklv3

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2036	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
552	8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.exe
552	8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.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 552 wrote to memory of 2036	552	8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.exe	27
PID 552 wrote to memory of 2036	552	8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.exe	27
PID 552 wrote to memory of 2036	552	8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.exe	27
PID 552 wrote to memory of 2036	552	8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.exe	27

C:\Users\Admin\AppData\Local\Temp\741\8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.exe
"C:\Users\Admin\AppData\Local\Temp\741\8892e059734152b51448376252ccf17e472d6391d03a543ffd3e4e3ceabb7d50.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2036

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
25KB

MD5
8cd8297bc12811f1b6b29e4ffdf68c64

SHA1
6de127804d8e229a7c7172007ccf509644657ff2

SHA256
7fb2bf26af4831ba6fd5e110d4b13fa2879db8d3a1f05f2811a36defda2524d6

SHA512
1f2b479982aa4ebca685cd33625f54ede558affedf7aedc05292126287f981927ee13f63ee8196d0f7072ddf5d8938db2fa19e3fde56d7011055e82807541701

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

Filesize
25KB

MD5
8cd8297bc12811f1b6b29e4ffdf68c64

SHA1
6de127804d8e229a7c7172007ccf509644657ff2

SHA256
7fb2bf26af4831ba6fd5e110d4b13fa2879db8d3a1f05f2811a36defda2524d6

SHA512
1f2b479982aa4ebca685cd33625f54ede558affedf7aedc05292126287f981927ee13f63ee8196d0f7072ddf5d8938db2fa19e3fde56d7011055e82807541701

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

Filesize
25KB

MD5
8cd8297bc12811f1b6b29e4ffdf68c64

SHA1
6de127804d8e229a7c7172007ccf509644657ff2

SHA256
7fb2bf26af4831ba6fd5e110d4b13fa2879db8d3a1f05f2811a36defda2524d6

SHA512
1f2b479982aa4ebca685cd33625f54ede558affedf7aedc05292126287f981927ee13f63ee8196d0f7072ddf5d8938db2fa19e3fde56d7011055e82807541701

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

Filesize
25KB

MD5
8cd8297bc12811f1b6b29e4ffdf68c64

SHA1
6de127804d8e229a7c7172007ccf509644657ff2

SHA256
7fb2bf26af4831ba6fd5e110d4b13fa2879db8d3a1f05f2811a36defda2524d6

SHA512
1f2b479982aa4ebca685cd33625f54ede558affedf7aedc05292126287f981927ee13f63ee8196d0f7072ddf5d8938db2fa19e3fde56d7011055e82807541701

Download Submit
memory/552-54-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

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