upatre | eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7v20210410
submitted
18-05-2021 03:13

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General

Target

eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.exe
Size

10KB
MD5

3802b164cb32c25a6c6bc9bb03640f28
SHA1

e671f284f66b4bea2e0aa95daa82cbf2a0442f40
SHA256

eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460
SHA512

f42bd392bf5f9ff8686971cad6b6f2fd70160597c69aa4b19172218807e3fcfc7fcbe4185f29148d6719d5333f71fb624b7b6e4f6e5f83c01ac735986392bf37

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1280	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1268	eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.exe
1268	eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.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 1268 wrote to memory of 1280	1268	eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.exe	26
PID 1268 wrote to memory of 1280	1268	eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.exe	26
PID 1268 wrote to memory of 1280	1268	eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.exe	26
PID 1268 wrote to memory of 1280	1268	eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.exe	26

C:\Users\Admin\AppData\Local\Temp\eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.exe
"C:\Users\Admin\AppData\Local\Temp\eb91ffc89ec2cd991afe4f974f90bfed2c6788eb050d97caf68f7a96d1f22460.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1280

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/1268-59-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

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