upatre | 9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950

Analysis

max time kernel
152s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
19/02/2022, 19:43

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General

Target

9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe
Size

28KB
MD5

38a6b865b53b8d4c7c6c84f9a7c00adb
SHA1

e00deec328dc0a592465d0625f1e7f0eeff22676
SHA256

9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950
SHA512

393e2b5a92e6bffd114e7239f1bb44a41dc2bfcc80e585987cb350ae245adbabd4282152f04abdc0428b45e6d0c9ed50ff5d909625e2023343cf1e4efdbeb010

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2264	szgfw.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.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 AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	640	svchost.exe
Token: SeCreatePagefilePrivilege	640	svchost.exe
Token: SeShutdownPrivilege	640	svchost.exe
Token: SeCreatePagefilePrivilege	640	svchost.exe
Token: SeShutdownPrivilege	640	svchost.exe
Token: SeCreatePagefilePrivilege	640	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2264	1312	9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe	87
PID 1312 wrote to memory of 2264	1312	9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe	87
PID 1312 wrote to memory of 2264	1312	9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe	87

C:\Users\Admin\AppData\Local\Temp\9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe
"C:\Users\Admin\AppData\Local\Temp\9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2264

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/640-133-0x000002E778420000-0x000002E778430000-memory.dmp

Filesize
64KB

Download
memory/640-134-0x000002E778480000-0x000002E778490000-memory.dmp

Filesize
64KB

Download
memory/640-135-0x000002E77AB40000-0x000002E77AB44000-memory.dmp

Filesize
16KB

Download
memory/1312-136-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download