upatre | c3b7035c8930fcb780a2983ad8d520ec60e64f112466388a84ed94ce8bbf86d0

Analysis

max time kernel
151s
max time network
56s
platform
windows10_x64
resource
win10v20210408
submitted
15-05-2021 17:42

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General

Target

c3b7035c8930fcb780a2983ad8d520ec60e64f112466388a84ed94ce8bbf86d0.exe
Size

33KB
MD5

9a35de308fa007d2cc01303cc2c743fe
SHA1

d02e4c19a85e59179296149554c7fd641090b4ce
SHA256

c3b7035c8930fcb780a2983ad8d520ec60e64f112466388a84ed94ce8bbf86d0
SHA512

9a866bb48c56008bfdca793ab153dc4af107dbae015011a6080a78425f71977d86abeb5f3fcdd881818bffc1d7c662bdbd14c5d206c66a1d05a2d8474815f7bf

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2300	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 808 wrote to memory of 2300	808	c3b7035c8930fcb780a2983ad8d520ec60e64f112466388a84ed94ce8bbf86d0.exe	78
PID 808 wrote to memory of 2300	808	c3b7035c8930fcb780a2983ad8d520ec60e64f112466388a84ed94ce8bbf86d0.exe	78
PID 808 wrote to memory of 2300	808	c3b7035c8930fcb780a2983ad8d520ec60e64f112466388a84ed94ce8bbf86d0.exe	78

C:\Users\Admin\AppData\Local\Temp\c3b7035c8930fcb780a2983ad8d520ec60e64f112466388a84ed94ce8bbf86d0.exe
"C:\Users\Admin\AppData\Local\Temp\c3b7035c8930fcb780a2983ad8d520ec60e64f112466388a84ed94ce8bbf86d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2300

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/808-114-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/2300-118-0x0000000000410000-0x000000000055A000-memory.dmp

Filesize
1.3MB

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