upatre | e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d

Analysis

max time kernel
153s
max time network
121s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-02-2022 18:56

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General

Target

e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe
Size

39KB
MD5

187afb714a95e6e83f37537459d309b4
SHA1

a74abfa6fb9105fe3e131e61a5c4c1e6c9a80ffa
SHA256

e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d
SHA512

7f6e59308a26698b5f64179e889b92528ddae1705e618b5d631a3205bb4e432c3f8d7599008b47a9410c298729e03ec8a6466387badb8953518a18f55c8f589c

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
900	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
732	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe
732	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.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 732 wrote to memory of 900	732	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe	27
PID 732 wrote to memory of 900	732	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe	27
PID 732 wrote to memory of 900	732	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe	27
PID 732 wrote to memory of 900	732	e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe	27

C:\Users\Admin\AppData\Local\Temp\e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe
"C:\Users\Admin\AppData\Local\Temp\e5fc9eb08fe3c5572a962c745c728f11e44484b0cbaab467104d4a5e70686b1d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:732
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:900

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/732-55-0x0000000076B81000-0x0000000076B83000-memory.dmp

Filesize
8KB

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memory/732-56-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

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