upatre | ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0

Analysis

max time kernel
151s
max time network
40s
platform
windows7_x64
resource
win7v20210408
submitted
15/05/2021, 05:21

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General

Target

ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe
Size

35KB
MD5

ba3216a8a6fdb33b0c5168d1e9892bc3
SHA1

360c50f82bac1875942d3660f50afd04b2e88903
SHA256

ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0
SHA512

4e1ff3996910508bd3736f6e2e34bee689459fa0c7e921f9d631d3375a915630ea0a49971a4c6d16a068f61f785362b6b3b851e6e82fb468d471ff8487f05041

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
360	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1120	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe
1120	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.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 1120 wrote to memory of 360	1120	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe	29
PID 1120 wrote to memory of 360	1120	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe	29
PID 1120 wrote to memory of 360	1120	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe	29
PID 1120 wrote to memory of 360	1120	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe	29

C:\Users\Admin\AppData\Local\Temp\ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe
"C:\Users\Admin\AppData\Local\Temp\ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:360

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/1120-59-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1120-65-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download