upatre | 58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b

Analysis

max time kernel
154s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
19/02/2022, 20:37

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General

Target
58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe
Size 30KB
Sample220219-zeajaachf7
SHA256 58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b
MD5 eda4f4cf9a26b9bc9884e14436c7b9be
SHA1 5d3134fb6ea8081b8b005e14bdcd71ed1a302eb6
SHA512 21c39c5282d46eb1a47157f3e86cc4f68a3080769cb80815d19b687838135d96b23ee309963461a5fc0abee21aa0764941f3bb4921762365a59b7a194549b027
MD5 SHA1 SHA512

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
4224	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	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.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	4180	svchost.exe
Token: SeCreatePagefilePrivilege	4180	svchost.exe
Token: SeShutdownPrivilege	4180	svchost.exe
Token: SeCreatePagefilePrivilege	4180	svchost.exe
Token: SeShutdownPrivilege	4180	svchost.exe
Token: SeCreatePagefilePrivilege	4180	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 4224	448	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe	92
PID 448 wrote to memory of 4224	448	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe	92
PID 448 wrote to memory of 4224	448	58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe	92

C:\Users\Admin\AppData\Local\Temp\58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe
"C:\Users\Admin\AppData\Local\Temp\58fadf7ea969478a7d8d8daad2120921f98099886f72467b274c3cb0b32a6f5b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4224

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:4180

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/448-133-0x0000000000480000-0x0000000000481000-memory.dmp

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memory/4180-130-0x0000021AA0790000-0x0000021AA07A0000-memory.dmp

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memory/4180-131-0x0000021AA0D20000-0x0000021AA0D30000-memory.dmp

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memory/4180-132-0x0000021AA3410000-0x0000021AA3414000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads