upatre | e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523

Analysis

max time kernel
155s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
19-02-2022 18:56

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General

Target

e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523.exe
Size

12KB
MD5

d7ab40aa4270567db0ff26f97793c42a
SHA1

867975b4eaaf0cb1b0da43e85ff7de7203c68f0f
SHA256

e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523
SHA512

19cbfc23976841c6aec830723b184786d6fc33db64f031325bdc9dc1cbcdf9d5ea7c0f1054ee9312c3ae744ff0b9a03c2027e0b5757890d82fe369784724c0c1

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
544	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	e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523.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	4584	svchost.exe
Token: SeCreatePagefilePrivilege	4584	svchost.exe
Token: SeShutdownPrivilege	4584	svchost.exe
Token: SeCreatePagefilePrivilege	4584	svchost.exe
Token: SeShutdownPrivilege	4584	svchost.exe
Token: SeCreatePagefilePrivilege	4584	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 544	2196	e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523.exe	82
PID 2196 wrote to memory of 544	2196	e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523.exe	82
PID 2196 wrote to memory of 544	2196	e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523.exe	82

C:\Users\Admin\AppData\Local\Temp\e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523.exe
"C:\Users\Admin\AppData\Local\Temp\e5e29a10b4cc8048c657ea600147b53cbc957bd180efd0ac4315b0c58b225523.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:544

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:4584

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

Replay Monitor

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Downloads

memory/4584-133-0x0000023E25780000-0x0000023E25790000-memory.dmp

Filesize
64KB

Download
memory/4584-134-0x0000023E25D20000-0x0000023E25D30000-memory.dmp

Filesize
64KB

Download
memory/4584-135-0x0000023E28400000-0x0000023E28404000-memory.dmp

Filesize
16KB

Download