upatre | 7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574

General

Target

7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe
Size

70KB
MD5

7bd2621b6c55484cee2f8ee12ebed110
SHA1

9765bee7f6e085b209a9a9f46f997f1f3a8351ff
SHA256

7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574
SHA512

82b833f4599d44548ade3ff69008c49a8608776eb5bca328e09f00aa6a21b47748ce9a38c08b9ba6c354df23b470aeb34bcff0e52e210ebf30041f6f590ba8ab

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2872	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	7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.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	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 4636 wrote to memory of 2872	4636	7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe	87
PID 4636 wrote to memory of 2872	4636	7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe	87
PID 4636 wrote to memory of 2872	4636	7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe	87

C:\Users\Admin\AppData\Local\Temp\7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe
"C:\Users\Admin\AppData\Local\Temp\7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2872

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

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4636-133-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/4764-134-0x0000021CD3520000-0x0000021CD3530000-memory.dmp

Filesize
64KB

Download
memory/4764-135-0x0000021CD3740000-0x0000021CD3750000-memory.dmp

Filesize
64KB

Download
memory/4764-138-0x0000021CD5C40000-0x0000021CD5C44000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing