upatre | f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46

Analysis

max time kernel
153s
max time network
129s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-02-2022 18:47

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General

Target

f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.exe
Size

31KB
MD5

87ec631ba183b712f2051ae9bd8b7d07
SHA1

5b7aa62419d4139dab978a5e63b60dadc36baa8c
SHA256

f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46
SHA512

61cda640810fb5ca0a6ec30079ce7e31e612a8d63c60ac0606fb0534515c8cf8cd28260bef79f8ef42514a3f1be4479b7771465af6c3bcc437d40f3c96de9a83

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1080	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1448	f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.exe
1448	f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.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 1448 wrote to memory of 1080	1448	f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.exe	27
PID 1448 wrote to memory of 1080	1448	f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.exe	27
PID 1448 wrote to memory of 1080	1448	f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.exe	27
PID 1448 wrote to memory of 1080	1448	f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.exe	27

C:\Users\Admin\AppData\Local\Temp\f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.exe
"C:\Users\Admin\AppData\Local\Temp\f1f82f3d986065d3546508f857b90adacd27eae091ff4da4b25e667101572f46.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1080

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/1080-60-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1448-54-0x0000000076421000-0x0000000076423000-memory.dmp

Filesize
8KB

Download