upatre | e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d

General

Target

e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe
Size

39KB
MD5

187afb714a95e6e83f37537459d309b4
SHA1

a74abfa6fb9105fe3e131e61a5c4c1e6c9a80ffa
SHA256

e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d
SHA512

7f6e59308a26698b5f64179e889b92528ddae1705e618b5d631a3205bb4e432c3f8d7599008b47a9410c298729e03ec8a6466387badb8953518a18f55c8f589c

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1512	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	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	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	1272	svchost.exe
Token: SeCreatePagefilePrivilege	1272	svchost.exe
Token: SeShutdownPrivilege	1272	svchost.exe
Token: SeCreatePagefilePrivilege	1272	svchost.exe
Token: SeShutdownPrivilege	1272	svchost.exe
Token: SeCreatePagefilePrivilege	1272	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 1512	1152	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe	89
PID 1152 wrote to memory of 1512	1152	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe	89
PID 1152 wrote to memory of 1512	1152	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe	89

C:\Users\Admin\AppData\Local\Temp\e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe
"C:\Users\Admin\AppData\Local\Temp\e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1512

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:1272

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/1152-133-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/1272-130-0x0000020797D60000-0x0000020797D70000-memory.dmp

Filesize
64KB

Download
memory/1272-131-0x0000020798320000-0x0000020798330000-memory.dmp

Filesize
64KB

Download
memory/1272-132-0x000002079A9B0000-0x000002079A9B4000-memory.dmp

Filesize
16KB

Download

Analysis

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