upatre | 007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20

Analysis

max time kernel
151s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
09-05-2021 20:04

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General

Target

007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.exe
Size

29KB
MD5

cb7eb973df52536e7d71c770ec5689c2
SHA1

f42e209151a79d4543c34988805ec2a010580ad8
SHA256

007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20
SHA512

0f86a749a520d0b461094b9111a86ce17ac277c9b7093796e7535d1471d2e5cfd4701c203dff95de1df4d34f7bee09c6e12eeff033d9d386ca86affd2ac1f602

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1552	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1112	007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.exe
1112	007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.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 1112 wrote to memory of 1552	1112	007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.exe	29
PID 1112 wrote to memory of 1552	1112	007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.exe	29
PID 1112 wrote to memory of 1552	1112	007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.exe	29
PID 1112 wrote to memory of 1552	1112	007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.exe	29

C:\Users\Admin\AppData\Local\Temp\007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.exe
"C:\Users\Admin\AppData\Local\Temp\007051931a37a49177b09b61a2021148fcbafd32e22f6058aa11b1dc1e31fa20.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1552

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/1112-60-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1112-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download