upatre | 7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3

Analysis

max time kernel
150s
max time network
112s
platform
windows7_x64
resource
win7v20210408
submitted
09-05-2021 21:49

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General

Target

7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.exe
Size

32KB
MD5

b0c450521e93ca23de47466c63d203a0
SHA1

a5cfb44375f355f93f57cd22ddee987e576a6793
SHA256

7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3
SHA512

e73030462a123e4f34d65a3937b04a1ebd993211c57ef3548e9faa32084621d0411752af96259d546eefed995339be2630786782cf94f0dd8b506b7ac5061e92

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1472	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1100	7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.exe
1100	7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.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 1100 wrote to memory of 1472	1100	7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.exe	29
PID 1100 wrote to memory of 1472	1100	7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.exe	29
PID 1100 wrote to memory of 1472	1100	7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.exe	29
PID 1100 wrote to memory of 1472	1100	7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.exe	29

C:\Users\Admin\AppData\Local\Temp\7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.exe
"C:\Users\Admin\AppData\Local\Temp\7c4c021dd732102212db340d731a2d897d5d5f8d6c1f129fbd0343cadac768d3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1472

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/1100-59-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1100-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download