upatre | f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386

Analysis

max time kernel
153s
max time network
130s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-02-2022 18:48

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General

Target

f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe
Size

324KB
MD5

df9bd590b6f7aa14217515ee7c75ec0e
SHA1

4a452704f4ecbecd7f12e918c7f088292fc88829
SHA256

f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386
SHA512

6ce1b7bbeee4d87a9292f8465405f9ed698d0eab0a2f51c148da71528f84e02375d8789aa7179e0f0726435f22ad9daeb8d6bf0fca1b8d0f86f5a84f9ad09e32

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
320	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1220	f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe
1220	f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.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 1220 wrote to memory of 320	1220	f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe	27
PID 1220 wrote to memory of 320	1220	f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe	27
PID 1220 wrote to memory of 320	1220	f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe	27
PID 1220 wrote to memory of 320	1220	f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe	27

C:\Users\Admin\AppData\Local\Temp\f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe
"C:\Users\Admin\AppData\Local\Temp\f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:320

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/320-60-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1220-54-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download