upatre | 63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7v20210410
submitted
05-05-2021 01:34

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General

Target

63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.exe
Size

41KB
MD5

eb07844daa21d754a801b46354cde20c
SHA1

4592569420bd06ea200ca8f09076a7d7255ef6d6
SHA256

63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b
SHA512

62b1397aa8ec488f9de71441d8026ced39cbc82c62b1cd991bd0f8acd63293b63acdd152d0257193954545fb1ec22df711dba1ab4d667dababbee0691567256c

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
272	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1964	63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.exe
1964	63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.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 1964 wrote to memory of 272	1964	63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.exe	29
PID 1964 wrote to memory of 272	1964	63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.exe	29
PID 1964 wrote to memory of 272	1964	63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.exe	29
PID 1964 wrote to memory of 272	1964	63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.exe	29

C:\Users\Admin\AppData\Local\Temp\63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.exe
"C:\Users\Admin\AppData\Local\Temp\63783eba38bc346e52e0442d7df659e0b123e13074651b495a0b60ef27c6009b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:272

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/1964-60-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

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memory/1964-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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