upatre | 9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f

General

Target

9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f.exe
Size

36KB
MD5

56a2dad254438d56cbab545f24faf72b
SHA1

3bd697d8dec1db399ae5f32e35afaa7fa67e76d9
SHA256

9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f
SHA512

4e74f7cc85b21659ef235aa4fd7e2482babbcf3183f683ea91e48c3a630355ccdd941298c2f49edc384de3f2e588e486e79fa3e743d957e07db7860fe1e74450

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2740	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	9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
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

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	1056	svchost.exe
Token: SeCreatePagefilePrivilege	1056	svchost.exe
Token: SeShutdownPrivilege	1056	svchost.exe
Token: SeCreatePagefilePrivilege	1056	svchost.exe
Token: SeShutdownPrivilege	1056	svchost.exe
Token: SeCreatePagefilePrivilege	1056	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2740	1984	9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f.exe	83
PID 1984 wrote to memory of 2740	1984	9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f.exe	83
PID 1984 wrote to memory of 2740	1984	9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f.exe	83

C:\Users\Admin\AppData\Local\Temp\9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f.exe
"C:\Users\Admin\AppData\Local\Temp\9256da1c270c11bbf7d9207275a64eaee811f2d3fe68ea539999f1d3e285eb1f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2740

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:1056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1056-133-0x0000025B72B30000-0x0000025B72B40000-memory.dmp

Filesize
64KB

Download
memory/1056-134-0x0000025B72B90000-0x0000025B72BA0000-memory.dmp

Filesize
64KB

Download
memory/1056-135-0x0000025B75880000-0x0000025B75884000-memory.dmp

Filesize
16KB

Download
memory/1984-130-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download

Analysis

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