upatre | fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811

Analysis

max time kernel
151s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
15/05/2021, 04:02

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General

Target

fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.exe
Size

36KB
MD5

c95bda00adb0e51860ddd1f7b04c45d8
SHA1

c6d4c43a50a2f9d5c54ec32674d0c6e37154dc99
SHA256

fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811
SHA512

3f772b5411fd804d28e0116a5ef290533731b9ee0f0da0ac5e5e6038e85e0f48a1c4afb888b92887e7fe43f351d59ea5e70013655480f3426bf0678615e5d6a7

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1604	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1084	fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.exe
1084	fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.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 1084 wrote to memory of 1604	1084	fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.exe	29
PID 1084 wrote to memory of 1604	1084	fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.exe	29
PID 1084 wrote to memory of 1604	1084	fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.exe	29
PID 1084 wrote to memory of 1604	1084	fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.exe	29

C:\Users\Admin\AppData\Local\Temp\fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.exe
"C:\Users\Admin\AppData\Local\Temp\fb39cc980f61715880a96484e377f963a9a9598580e70f43c1ff762cd2355811.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1604

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/1084-60-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download
memory/1084-66-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download