upatre | ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4

General

Target

ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4.exe
Size

265KB
MD5

d7bca487ea1e359c51ae7028ee4d20a3
SHA1

57e10e2d71e75fa176913790fd165a2017418417
SHA256

ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4
SHA512

56131621f51d3356cbee9b7c8c1458b3da42ebd61c1f48024a7e3304a571d85c6be4c84c5fc5add2002a2c70a5eb52edb44da2c4c0bdc2e877940167cad9c79c

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
4776	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	ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
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

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	1460	svchost.exe
Token: SeCreatePagefilePrivilege	1460	svchost.exe
Token: SeShutdownPrivilege	1460	svchost.exe
Token: SeCreatePagefilePrivilege	1460	svchost.exe
Token: SeShutdownPrivilege	1460	svchost.exe
Token: SeCreatePagefilePrivilege	1460	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 4776	4604	ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4.exe	86
PID 4604 wrote to memory of 4776	4604	ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4.exe	86
PID 4604 wrote to memory of 4776	4604	ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4.exe	86

C:\Users\Admin\AppData\Local\Temp\ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4.exe
"C:\Users\Admin\AppData\Local\Temp\ad363c8a2ecc8323c1c1f51c3f93c1daf50aa1c7ecf996e8411f3db61a7f3cb4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4776

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:1460

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/1460-133-0x00000242B2390000-0x00000242B23A0000-memory.dmp

Filesize
64KB

Download
memory/1460-134-0x00000242B2920000-0x00000242B2930000-memory.dmp

Filesize
64KB

Download
memory/1460-135-0x00000242B5010000-0x00000242B5014000-memory.dmp

Filesize
16KB

Download
memory/4604-130-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download

Analysis

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