upatre | 626dfcb96d94d0e0d350a271fd4e74be029171adcec4277e46a0bb44c3b324d4

Analysis

max time kernel
150s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
11/05/2021, 14:22

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General

Target

626dfcb96d94d0e0d350a271fd4e74be029171adcec4277e46a0bb44c3b324d4.exe
Size

37KB
MD5

b9fe918d9b9265f78f77e7b8c9b4f2f4
SHA1

7ca85ba297acdcafb9fd48f316ff4d658ab10d40
SHA256

626dfcb96d94d0e0d350a271fd4e74be029171adcec4277e46a0bb44c3b324d4
SHA512

c68c914189436c1ac63ba68b31d26c2c0aee075e08243dce8c13d97fc95f15272ee63a790c93335294a531b7e2d3d7b6d3e143f470959f28ea636715caca3310

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1904	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 784 wrote to memory of 1904	784	626dfcb96d94d0e0d350a271fd4e74be029171adcec4277e46a0bb44c3b324d4.exe	78
PID 784 wrote to memory of 1904	784	626dfcb96d94d0e0d350a271fd4e74be029171adcec4277e46a0bb44c3b324d4.exe	78
PID 784 wrote to memory of 1904	784	626dfcb96d94d0e0d350a271fd4e74be029171adcec4277e46a0bb44c3b324d4.exe	78

C:\Users\Admin\AppData\Local\Temp\626dfcb96d94d0e0d350a271fd4e74be029171adcec4277e46a0bb44c3b324d4.exe
"C:\Users\Admin\AppData\Local\Temp\626dfcb96d94d0e0d350a271fd4e74be029171adcec4277e46a0bb44c3b324d4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:784
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1904

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/784-114-0x0000000000500000-0x000000000064A000-memory.dmp

Filesize
1.3MB

Download
memory/1904-118-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download