ec22fe1001066151dcaba55d013dd5a69886ec09d947118a9682f4a673890512

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
21/12/2022, 11:54

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General

Target

stripped.exe
Size

239KB
MD5

4efaf3c856cbc3a0a9078e8105c4c2a1
SHA1

5258925002bbc57405578a59375dff67edfdfb6f
SHA256

ec22fe1001066151dcaba55d013dd5a69886ec09d947118a9682f4a673890512
SHA512

4949819f589a6042604879aae0424c9d172cf6e18b1e6ca01a53de6d136249a59fa3fe77e3cac56942499d7c319b7156b83db5c31711d36a58a219808e3a3f2f
SSDEEP

3072:HAcREh6pPlF7LCh8dM7QlBP5o3x8YcwIFU9OImpVYe3d3ROR:PKMpPlfy70zBYcwIe9DkL3pRO

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1708	svcupdater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
988	schtasks.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 988	1364	stripped.exe	26
PID 1364 wrote to memory of 988	1364	stripped.exe	26
PID 1364 wrote to memory of 988	1364	stripped.exe	26
PID 1364 wrote to memory of 988	1364	stripped.exe	26
PID 660 wrote to memory of 1708	660	taskeng.exe	29
PID 660 wrote to memory of 1708	660	taskeng.exe	29
PID 660 wrote to memory of 1708	660	taskeng.exe	29
PID 660 wrote to memory of 1708	660	taskeng.exe	29
PID 660 wrote to memory of 1708	660	taskeng.exe	29
PID 660 wrote to memory of 1708	660	taskeng.exe	29
PID 660 wrote to memory of 1708	660	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\stripped.exe
"C:\Users\Admin\AppData\Local\Temp\stripped.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
  2⤵
  - Creates scheduled task(s)
  PID:988

C:\Windows\system32\taskeng.exe
taskeng.exe {981D5DE6-BE12-40F8-A171-E01C780BC55F} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:660
- C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
  C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
  2⤵
  - Executes dropped EXE
  PID:1708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe

Filesize
449.1MB

MD5
c27d13960023d25ff44dd5485080818a

SHA1
44b9602c4a13b38ca1e495ce64d82bca3c82f68f

SHA256
4f363184012a330e36839ff3c0974d1bbbeaf1cc14ae8c75feae3e939e3bdc1f

SHA512
f7fd9bb2250b801e760236120f7eeab04dc1fe49fbc9ceec1068bc914dbcd6dc6bef5dee999915d847ae8855061a335cad2688ed059148e6c488ac5998c23636

Download Submit
C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe

Filesize
449.2MB

MD5
cd3a2b70d960c9003017a35c3b79e6ba

SHA1
45278ec0df66cfe10478671ddecbb6a02e0aca17

SHA256
3d295676991e0b6efa504e5c8986bf23cfb1e9abb1c8e145a26b5faaea08a0cf

SHA512
30c978659a7c586836f7c1ea91c175b362c6e25738c65fb3bb4fd68b621de63b82924f9c6173332570d63768fb6d2e33fe4896af94217e47ae5498dae99363df

Download Submit
memory/1364-54-0x00000000000F0000-0x0000000000109000-memory.dmp

Filesize
100KB

Download
memory/1364-55-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1364-56-0x00000000000F0000-0x0000000000109000-memory.dmp

Filesize
100KB

Download
memory/1364-58-0x00000000000F0000-0x0000000000109000-memory.dmp

Filesize
100KB

Download
memory/1708-64-0x0000000000140000-0x0000000000159000-memory.dmp

Filesize
100KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads