upatre | b716c1f8c61c039570c8f8402e63a137b362d1f516f8fcf0232734d8faf47971

Analysis

max time kernel
150s
max time network
148s
platform
windows10_x64
resource
win10v20210408
submitted
11/05/2021, 14:58

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General

Target

b716c1f8c61c039570c8f8402e63a137b362d1f516f8fcf0232734d8faf47971.exe
Size

29KB
MD5

4788bdc84069aaa28ba46a4be62fbdaf
SHA1

36fbe0ba3ff8fd574554d77dabb476d1be984ca1
SHA256

b716c1f8c61c039570c8f8402e63a137b362d1f516f8fcf0232734d8faf47971
SHA512

e15b2c7c36b0e4bcf5f5fd27dbbaa5dc2e13f584e9953aeef5655a421a1f86d822273319fd37d28b830792c2fc56ec7470e2b69b34d44c12e6b6ccb3a8a10622

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2960	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 904 wrote to memory of 2960	904	b716c1f8c61c039570c8f8402e63a137b362d1f516f8fcf0232734d8faf47971.exe	78
PID 904 wrote to memory of 2960	904	b716c1f8c61c039570c8f8402e63a137b362d1f516f8fcf0232734d8faf47971.exe	78
PID 904 wrote to memory of 2960	904	b716c1f8c61c039570c8f8402e63a137b362d1f516f8fcf0232734d8faf47971.exe	78

C:\Users\Admin\AppData\Local\Temp\b716c1f8c61c039570c8f8402e63a137b362d1f516f8fcf0232734d8faf47971.exe
"C:\Users\Admin\AppData\Local\Temp\b716c1f8c61c039570c8f8402e63a137b362d1f516f8fcf0232734d8faf47971.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:904
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2960

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/904-114-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

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