upatre | 94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776

Analysis

max time kernel
151s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
19-02-2022 19:49

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General

Target

94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776.exe
Size

60KB
MD5

470566f0819dd348b49af84b66c60c0c
SHA1

0fe25b488ae557d4d146d59c898a7a2625ad873e
SHA256

94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776
SHA512

f6f4a11a3fa8d2e5b1a4ce8b62bd7c2594700aa38419ff0a93b67cd5261f78310ca2474230879918df02f9f9a33091f1a9489a92ebb89728c062ba0677139fee

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
4260	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	94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\WindowsUpdate.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	4764	svchost.exe
Token: SeCreatePagefilePrivilege	4764	svchost.exe
Token: SeShutdownPrivilege	4764	svchost.exe
Token: SeCreatePagefilePrivilege	4764	svchost.exe
Token: SeShutdownPrivilege	4764	svchost.exe
Token: SeCreatePagefilePrivilege	4764	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 4260	2808	94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776.exe	82
PID 2808 wrote to memory of 4260	2808	94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776.exe	82
PID 2808 wrote to memory of 4260	2808	94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776.exe	82

C:\Users\Admin\AppData\Local\Temp\94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776.exe
"C:\Users\Admin\AppData\Local\Temp\94510cbd00075f7ffa9a196ee18afc43e349128c5ae0f67c071b928ffa7d3776.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4260

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:4764

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/4764-132-0x000001F6DD330000-0x000001F6DD340000-memory.dmp

Filesize
64KB

Download
memory/4764-133-0x000001F6DD390000-0x000001F6DD3A0000-memory.dmp

Filesize
64KB

Download
memory/4764-134-0x000001F6E0090000-0x000001F6E0094000-memory.dmp

Filesize
16KB

Download