upatre | 33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19

Analysis

max time kernel
120s
max time network
133s
platform
windows7_x64
resource
win7-en-20211208
submitted
14-02-2022 08:01

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General

Target

33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.exe
Size

7KB
MD5

48506aadb887fbd90dc2d1050a63c471
SHA1

1da67556f320fe12ba7916b712320a4273899b54
SHA256

33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19
SHA512

8bed67c67dc08fe1fffaba7d885a30b5d7fa3cf795acf375ff2b9bc1519590e4489c15ddd9f1e7763abb92e68def875e96ad78097c69770fff6a75470028c8ee

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
820	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1736	33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.exe
1736	33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.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 1736 wrote to memory of 820	1736	33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.exe	27
PID 1736 wrote to memory of 820	1736	33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.exe	27
PID 1736 wrote to memory of 820	1736	33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.exe	27
PID 1736 wrote to memory of 820	1736	33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.exe	27

C:\Users\Admin\AppData\Local\Temp\33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.exe
"C:\Users\Admin\AppData\Local\Temp\33e6e3c59d6f478a199100d20a03a22eab2b4660130566c8ce2165747da69f19.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:820

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/1736-54-0x0000000076911000-0x0000000076913000-memory.dmp

Filesize
8KB

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