upatre | 5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0

Analysis

max time kernel
150s
max time network
8s
platform
windows7_x64
resource
win7v20210408
submitted
11/05/2021, 12:01

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General

Target

5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.exe
Size

36KB
MD5

e64f39b0fc15e37b96f33d553e265828
SHA1

4692bb0a24030da359072ea081422319bc347ea2
SHA256

5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0
SHA512

1294fc788611f50a8aec53fc4f64f3d510d9ece352a2be30c03a077b8f53beb7f687ea1042b8c0e1cc10deca939cf62f4487507e9c17178573c8bd4ba4bae943

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1228	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
684	5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.exe
684	5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.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 684 wrote to memory of 1228	684	5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.exe	29
PID 684 wrote to memory of 1228	684	5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.exe	29
PID 684 wrote to memory of 1228	684	5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.exe	29
PID 684 wrote to memory of 1228	684	5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.exe	29

C:\Users\Admin\AppData\Local\Temp\5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.exe
"C:\Users\Admin\AppData\Local\Temp\5599823438f64c5ef5952cc25533250eea631528cff4cfb4d5bf439cacbff6c0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:684
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1228

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/684-60-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

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memory/684-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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