upatre | 45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7

Analysis

max time kernel
5s
max time network
56s
platform
windows7_x64
resource
win7v20210408
submitted
17-05-2021 05:55

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General

Target

45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.exe
Size

8KB
MD5

5c10791789cdf6890bfb44c30a27932a
SHA1

2c588f36a0da314ffde514818e6f5e26a75b58bf
SHA256

45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7
SHA512

b2558f93310907aedc9a3bdc7ed237f16dfa612d4580ef6f4d516762191974921d6798f8a9cd859e77282eda382dc48134049cea1b2839abf7e6f1de6e0c29c5

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1680	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1768	45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.exe
1768	45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.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 1768 wrote to memory of 1680	1768	45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.exe	27
PID 1768 wrote to memory of 1680	1768	45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.exe	27
PID 1768 wrote to memory of 1680	1768	45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.exe	27
PID 1768 wrote to memory of 1680	1768	45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.exe	27

C:\Users\Admin\AppData\Local\Temp\45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.exe
"C:\Users\Admin\AppData\Local\Temp\45fc36ffaeccd9d4eb84113f5943bf4dd0f9ea9b9e49a63cf8a99012d394c3f7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1680

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/1768-59-0x00000000769B1000-0x00000000769B3000-memory.dmp

Filesize
8KB

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