upatre | 834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02

Analysis

max time kernel
150s
max time network
39s
platform
windows7_x64
resource
win7v20210408
submitted
15/05/2021, 16:51

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General

Target

834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.exe
Size

32KB
MD5

cf5dcee45f39e635a3af794d6893aaf0
SHA1

fcc27ee5559022b5b11aee2f7d4dbeced4b6764c
SHA256

834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02
SHA512

3ed84e8fd58b231200fe8d83b7320a96217e54a32d1c932e9dc27962d3abfd0edf31b0be5869e0eaad320eea7dd867ac5804d68aabdac0c4411cd91af138245d

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1296	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
364	834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.exe
364	834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.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 364 wrote to memory of 1296	364	834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.exe	29
PID 364 wrote to memory of 1296	364	834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.exe	29
PID 364 wrote to memory of 1296	364	834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.exe	29
PID 364 wrote to memory of 1296	364	834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.exe	29

C:\Users\Admin\AppData\Local\Temp\834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.exe
"C:\Users\Admin\AppData\Local\Temp\834973112c74e663ec19a26905d990360ff60efd8211c3a081fdd79c53d56f02.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:364
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1296

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/364-59-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

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memory/364-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download