upatre | 8546ea8b1504e11b0cc6fe444a733c572b142ea0931008414dfd6f7d011a2054

Analysis

max time kernel
150s
max time network
147s
platform
windows10_x64
resource
win10v20210410
submitted
08-05-2021 20:36

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General

Target

8546ea8b1504e11b0cc6fe444a733c572b142ea0931008414dfd6f7d011a2054.exe
Size

29KB
MD5

e1b272e706713435dd3744c91f319286
SHA1

0f11fb5cc6e5fa16da99ea30257ca5e9b75c2d1e
SHA256

8546ea8b1504e11b0cc6fe444a733c572b142ea0931008414dfd6f7d011a2054
SHA512

5788761c5a389f35f627faef512c8f51859a8b050c9d6b413e38004616a93322a0938ebf2c378a71b518b9ac3dbc4a9c8bd6e9d0153b926e28666fb3213aab0c

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2932	szgfw.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 3 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 2932	3952	8546ea8b1504e11b0cc6fe444a733c572b142ea0931008414dfd6f7d011a2054.exe	77
PID 3952 wrote to memory of 2932	3952	8546ea8b1504e11b0cc6fe444a733c572b142ea0931008414dfd6f7d011a2054.exe	77
PID 3952 wrote to memory of 2932	3952	8546ea8b1504e11b0cc6fe444a733c572b142ea0931008414dfd6f7d011a2054.exe	77

C:\Users\Admin\AppData\Local\Temp\8546ea8b1504e11b0cc6fe444a733c572b142ea0931008414dfd6f7d011a2054.exe
"C:\Users\Admin\AppData\Local\Temp\8546ea8b1504e11b0cc6fe444a733c572b142ea0931008414dfd6f7d011a2054.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2932

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/2932-118-0x0000000000410000-0x00000000004BE000-memory.dmp

Filesize
696KB

Download
memory/3952-117-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download