upatre | 59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5

Analysis

max time kernel
150s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
18-05-2021 00:20

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General

Target

59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.exe
Size

42KB
MD5

1c958c8567526cbfec0f37bd19cdc53d
SHA1

9d9acf0860356b48b683b5cb3117758f4ab17160
SHA256

59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5
SHA512

4994e07cb4ea0c44685d69626bfe249069e7187948bd0a2b51ec3656bf175a9b57706a342420e026bc0f44133f0125fff219be86c294e1d6063040ea3b779a9a

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1412	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1200	59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.exe
1200	59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.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 1200 wrote to memory of 1412	1200	59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.exe	29
PID 1200 wrote to memory of 1412	1200	59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.exe	29
PID 1200 wrote to memory of 1412	1200	59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.exe	29
PID 1200 wrote to memory of 1412	1200	59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.exe	29

C:\Users\Admin\AppData\Local\Temp\59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.exe
"C:\Users\Admin\AppData\Local\Temp\59b5e5eb7074f4605dc73f3bf1f75e74eb436aaca1efe541c2d73c7cae28d9a5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1412

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/1200-59-0x00000000768B1000-0x00000000768B3000-memory.dmp

Filesize
8KB

Download
memory/1200-65-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download