upatre | 8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d

Analysis

max time kernel
151s
max time network
84s
platform
windows7_x64
resource
win7v20210410
submitted
04/05/2021, 22:42

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General

Target

8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.exe
Size

39KB
MD5

8c0249ddd3795f7da92b1b81a5ce2d47
SHA1

7c1d57e0bcd3d9038eb5450dc98b7893c03f7c91
SHA256

8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d
SHA512

5defe048affb59340d87367b6dec7630b59f6cbce2ae1474bcdad982ab659f33939b919b5f1ac71156337badfd4afca47bf2eece91100e24b09384333c13c139

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1972	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
788	8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.exe
788	8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.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 WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 1972	788	8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.exe	26
PID 788 wrote to memory of 1972	788	8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.exe	26
PID 788 wrote to memory of 1972	788	8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.exe	26
PID 788 wrote to memory of 1972	788	8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.exe	26

C:\Users\Admin\AppData\Local\Temp\8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.exe
"C:\Users\Admin\AppData\Local\Temp\8fb0224913199b19b55549bff19810fd8e02d8ed7ec52b183fa4d875b6d8900d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:788
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1972

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/788-59-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

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