upatre | 53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193

Analysis

max time kernel
154s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
19/02/2022, 20:40

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General

Target
53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193.exe
Size 34KB
Sample220219-zfxefachh4
SHA256 53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193
MD5 866ee14254b9a348ca6ff997c7e4dffd
SHA1 c5036614648bfb9984d94fba24cead26e2a9d8ba
SHA512 f59dae9914f43751df9c1b63b5508f7c47c5e994899c65cebd2a655bedfb323699e7af89642144dd3d50b01193d08e57f8e4b2ecb338630fe1f7e5fb6b36535d
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
876	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	53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	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	2008	svchost.exe
Token: SeCreatePagefilePrivilege	2008	svchost.exe
Token: SeShutdownPrivilege	2008	svchost.exe
Token: SeCreatePagefilePrivilege	2008	svchost.exe
Token: SeShutdownPrivilege	2008	svchost.exe
Token: SeCreatePagefilePrivilege	2008	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 876	4728	53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193.exe	81
PID 4728 wrote to memory of 876	4728	53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193.exe	81
PID 4728 wrote to memory of 876	4728	53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193.exe	81

C:\Users\Admin\AppData\Local\Temp\53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193.exe
"C:\Users\Admin\AppData\Local\Temp\53ebba2bdf2eeba274fb53c20d6c28c50d6d4de2fe4575954a7450b86eded193.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:876

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:2008

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/2008-133-0x0000015821160000-0x0000015821170000-memory.dmp

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memory/2008-134-0x0000015821720000-0x0000015821730000-memory.dmp

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memory/2008-135-0x0000015823DD0000-0x0000015823DD4000-memory.dmp

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memory/4728-130-0x00000000006A0000-0x00000000006A1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads