upatre | 7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1

General

Target

7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe
Size

70KB
MD5

f1e6bdc66df83d79274a291b2055a4b8
SHA1

ed66b61e4fd8799dc5fbabcc3e11b11e8eb29cb7
SHA256

7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1
SHA512

6525a01d3bda855498422473eb63357e0f9f0f0570705cb963715b5b353f5ebf788ee4c53b1393fa12dd2032a3e5a5788974d8de9433ce5c6eb48f15b0476ddc

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1580	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	7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.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	3404	svchost.exe
Token: SeCreatePagefilePrivilege	3404	svchost.exe
Token: SeShutdownPrivilege	3404	svchost.exe
Token: SeCreatePagefilePrivilege	3404	svchost.exe
Token: SeShutdownPrivilege	3404	svchost.exe
Token: SeCreatePagefilePrivilege	3404	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1580	2316	7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe	86
PID 2316 wrote to memory of 1580	2316	7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe	86
PID 2316 wrote to memory of 1580	2316	7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe	86

C:\Users\Admin\AppData\Local\Temp\7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe
"C:\Users\Admin\AppData\Local\Temp\7cc3ad22c9863e664de7f5272c152bc4e2c9f189d201815cdc3a22abdceaa4f1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1580

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:3404

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/2316-134-0x0000000002140000-0x0000000002141000-memory.dmp

Filesize
4KB

Download
memory/3404-131-0x000001B126B60000-0x000001B126B70000-memory.dmp

Filesize
64KB

Download
memory/3404-132-0x000001B127120000-0x000001B127130000-memory.dmp

Filesize
64KB

Download
memory/3404-133-0x000001B1297C0000-0x000001B1297C4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing