upatre | 23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4

Analysis

max time kernel
150s
max time network
139s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 15:28

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General

Target

23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.exe
Size

51KB
MD5

1c564a1bdbd1fa3aea6714f9369e43f5
SHA1

7071ea8082ab1ddb272dc601d74b63e321785731
SHA256

23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4
SHA512

bb02be66dd61bcfa0a31eb31083e20bab1c1486bc4defb02a9a7ce36e26fb5d880deca7b157de7e223d9c3834f0f925cf2442b15b2e064a25a33d7a5dfe3ab69

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1988	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
296	23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.exe
296	23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.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 296 wrote to memory of 1988	296	23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.exe	26
PID 296 wrote to memory of 1988	296	23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.exe	26
PID 296 wrote to memory of 1988	296	23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.exe	26
PID 296 wrote to memory of 1988	296	23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.exe	26

C:\Users\Admin\AppData\Local\Temp\23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.exe
"C:\Users\Admin\AppData\Local\Temp\23476fefcdea958721e286472dd3f7a9aa647b6f8c122eeb427971cfc8d210f4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:296
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1988

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/296-59-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

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