upatre | 17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2

Analysis

max time kernel
158s
max time network
135s
platform
windows7_x64
resource
win7-en-20211208
submitted
14-02-2022 08:21

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General

Target

17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe
Size

271KB
MD5

857ecd99e4fd1b8f7e3ae8eebc863e9d
SHA1

21fec31561bf9f1d28de24fcfeb007fcae3af829
SHA256

17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2
SHA512

b73a303bcc6831448e1f6546005e2f9b560dae4b1845823df979b68acfd1d090f19555d0e8ddf815bb835270fa96faec59cd3f56907e5198c6e546fa9456f35d

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
588	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1576	17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe
1576	17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.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 1576 wrote to memory of 588	1576	17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe	27
PID 1576 wrote to memory of 588	1576	17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe	27
PID 1576 wrote to memory of 588	1576	17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe	27
PID 1576 wrote to memory of 588	1576	17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe	27

C:\Users\Admin\AppData\Local\Temp\17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe
"C:\Users\Admin\AppData\Local\Temp\17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:588

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/1576-54-0x00000000754B1000-0x00000000754B3000-memory.dmp

Filesize
8KB

Download
memory/1576-55-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download