upatre | 91007d337b083fa054d6d2920ae987c7d8712ca82cdec319fbcbf474b1e4775c

Analysis

max time kernel
150s
max time network
138s
platform
windows10_x64
resource
win10v20210410
submitted
09-05-2021 14:05

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General

Target

91007d337b083fa054d6d2920ae987c7d8712ca82cdec319fbcbf474b1e4775c.exe
Size

34KB
MD5

b676dde688499c2fbf4bb007a88443aa
SHA1

4cb8428c4f9278c467c4f44bb8b494372be210de
SHA256

91007d337b083fa054d6d2920ae987c7d8712ca82cdec319fbcbf474b1e4775c
SHA512

ea4eadde07f9fcbb1a6b1d2171b0f964aa77d93fadf02cb537e1eee3551e8c61751c8a797bb8fc116dd17e08f62b788a668e6d5ca982054930943c38d89371ad

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
3300	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 4436 wrote to memory of 3300	4436	91007d337b083fa054d6d2920ae987c7d8712ca82cdec319fbcbf474b1e4775c.exe	78
PID 4436 wrote to memory of 3300	4436	91007d337b083fa054d6d2920ae987c7d8712ca82cdec319fbcbf474b1e4775c.exe	78
PID 4436 wrote to memory of 3300	4436	91007d337b083fa054d6d2920ae987c7d8712ca82cdec319fbcbf474b1e4775c.exe	78

C:\Users\Admin\AppData\Local\Temp\91007d337b083fa054d6d2920ae987c7d8712ca82cdec319fbcbf474b1e4775c.exe
"C:\Users\Admin\AppData\Local\Temp\91007d337b083fa054d6d2920ae987c7d8712ca82cdec319fbcbf474b1e4775c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3300

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/4436-114-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

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