upatre | ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0

Analysis

max time kernel
150s
max time network
135s
platform
windows10_x64
resource
win10v20210408
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
3420	szgfw.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 3 IoCs

description	pid	Process	procid_target
PID 508 wrote to memory of 3420	508	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe	77
PID 508 wrote to memory of 3420	508	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe	77
PID 508 wrote to memory of 3420	508	ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe	77

C:\Users\Admin\AppData\Local\Temp\ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe
"C:\Users\Admin\AppData\Local\Temp\ba1775b7efc29ea7105e2aeaca058ac5bd60c5f92e4ae43e4edf4d4892d3e0d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:508
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3420

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/508-114-0x0000000000510000-0x000000000065A000-memory.dmp

Filesize
1.3MB

Download
memory/3420-118-0x0000000000410000-0x000000000055A000-memory.dmp

Filesize
1.3MB

Download