upatre | f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7v20210408
submitted
16-05-2021 03:05

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General

Target

f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe
Size

37KB
MD5

befb6e0776165631840e08deac48047e
SHA1

7be1fd1553b704c3457bc8836f1d52f7f8fe8350
SHA256

f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d
SHA512

9e5301cd782836d7a2215c2328458757e1b9307b6f1c271cfc99bf017d8e1d8441702b209e7e947cb220a8938eabaa0309c8c68aa374857236a48e68d0c37505

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1728	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
2016	f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe
2016	f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.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 2016 wrote to memory of 1728	2016	f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe	29
PID 2016 wrote to memory of 1728	2016	f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe	29
PID 2016 wrote to memory of 1728	2016	f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe	29
PID 2016 wrote to memory of 1728	2016	f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe	29

C:\Users\Admin\AppData\Local\Temp\f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe
"C:\Users\Admin\AppData\Local\Temp\f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1728

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/2016-60-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/2016-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download