fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629

Resubmissions

24/02/2022, 11:08

220224-m8nlsachc310

30/09/2021, 12:27

210930-pmrseshfg98

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-en-20210920
submitted
30/09/2021, 12:27

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General

Target
fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe
Size 216KB
Sample210930-pmrseshfg9
SHA256 fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629
MD5 052e970aff7e2e0e3209417a92f4e2c6
SHA1 32c0cb93f35e65295a02d362c3bf4fd71fa9365c
SHA512 38d19aea666d07db8c2f2925d3d7af99d03936cfda936fbc994d00ce66b27147647ca28bae684b99fdbbc7e424b34b13c5c5a6d4739d4a46934ae2ba744e8c8d
MD5 SHA1 SHA512

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1996	MediaCenter.exe

Deletes itself 1 IoCs

pid	Process
740	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1364	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 1996	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe	27
PID 1144 wrote to memory of 1996	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe	27
PID 1144 wrote to memory of 1996	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe	27
PID 1144 wrote to memory of 1996	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe	27
PID 1144 wrote to memory of 740	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe	30
PID 1144 wrote to memory of 740	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe	30
PID 1144 wrote to memory of 740	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe	30
PID 1144 wrote to memory of 740	1144	fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe	30
PID 740 wrote to memory of 1364	740	cmd.exe	32
PID 740 wrote to memory of 1364	740	cmd.exe	32
PID 740 wrote to memory of 1364	740	cmd.exe	32
PID 740 wrote to memory of 1364	740	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe
"C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:1996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:740
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1144-53-0x0000000076581000-0x0000000076583000-memory.dmp

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