upatre | 7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505

Analysis

max time kernel
151s
max time network
124s
platform
windows7_x64
resource
win7v20210408
submitted
13-05-2021 05:32

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General

Target

7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.exe
Size

33KB
MD5

b845c5edf17c3e5c53cf45a11cee687d
SHA1

5c8de755f6711fa1fe566501386ecd09c3bbe674
SHA256

7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505
SHA512

dc84c46f8be52d76374eabf5d16631c9c59447eea55fa7ffc5436d4c9953dbc7ccefa50b3c3b601cd7eac5bfc8d848e07a91cb0424ad1954bf78aefd61d5f27d

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1400	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1820	7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.exe
1820	7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.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 1820 wrote to memory of 1400	1820	7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.exe	29
PID 1820 wrote to memory of 1400	1820	7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.exe	29
PID 1820 wrote to memory of 1400	1820	7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.exe	29
PID 1820 wrote to memory of 1400	1820	7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.exe	29

C:\Users\Admin\AppData\Local\Temp\7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.exe
"C:\Users\Admin\AppData\Local\Temp\7f2af53acc9b9884ff7e0aa90548a3b4c6639ad9b594b2326394a86743b41505.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1400

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/1820-60-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1820-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download