upatre | ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7v20210410
submitted
05-05-2021 02:21

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General

Target

ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe
Size

38KB
MD5

b7c48f3e3d620598fc71e66f49f0f096
SHA1

c07243ac356c74bece436db64ce731f295424620
SHA256

ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8
SHA512

723d4e5331d6f349d5be3c35fa944516b16d1e1f64bd570fe85abd46466a4ef9e897a7ef90dcfae487519881108512f8f4d10adb4ed98f3f86ec5d0a94c86422

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1480	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1096	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe
1096	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.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 1096 wrote to memory of 1480	1096	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	29
PID 1096 wrote to memory of 1480	1096	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	29
PID 1096 wrote to memory of 1480	1096	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	29
PID 1096 wrote to memory of 1480	1096	ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe	29

C:\Users\Admin\AppData\Local\Temp\ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe
"C:\Users\Admin\AppData\Local\Temp\ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1480

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/1096-59-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

Download
memory/1096-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download