bd738f6f1b9bf79ca2725a1126f7b00127ec306b7f0c8ae25ae3f3724c7dbd46

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 13:25

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General

Target

zapret-winws/service_create.cmd
Size

439B
MD5

9ad68202b56eda9a58dd27ca81837453
SHA1

4257694d7a5ae28ef13051588ad500dab8468877
SHA256

cd8dd82e233cf00a738f4fb8756df529813279018d11453e9c0f0f7556cdd054
SHA512

ea1f44cfd23ee3ce50defdc3c05116d109a7af1ff6a2f63f74970d199e451bda018bee7b5bff1904d30f7b7fa2ec832f2770c002a14e8f15f8606f76f0f4a74d

Score

8^/10

evasion execution persistence upx

Malware Config

Signatures

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral17/memory/996-1-0x00007FFBAD900000-0x00007FFBADC12000-memory.dmp	upx
behavioral17/memory/996-5-0x00007FFBAD900000-0x00007FFBADC12000-memory.dmp	upx

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1968	sc.exe
4992	sc.exe
116	sc.exe
400	sc.exe

Runs net.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
656	Process not Found

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	996	winws.exe
Token: SeBackupPrivilege	996	winws.exe
Token: SeDebugPrivilege	996	winws.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 3872	4920	cmd.exe	86
PID 4920 wrote to memory of 3872	4920	cmd.exe	86
PID 3872 wrote to memory of 2092	3872	net.exe	87
PID 3872 wrote to memory of 2092	3872	net.exe	87
PID 4920 wrote to memory of 1968	4920	cmd.exe	88
PID 4920 wrote to memory of 1968	4920	cmd.exe	88
PID 4920 wrote to memory of 4992	4920	cmd.exe	89
PID 4920 wrote to memory of 4992	4920	cmd.exe	89
PID 4920 wrote to memory of 116	4920	cmd.exe	90
PID 4920 wrote to memory of 116	4920	cmd.exe	90
PID 4920 wrote to memory of 400	4920	cmd.exe	91
PID 4920 wrote to memory of 400	4920	cmd.exe	91

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\zapret-winws\service_create.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\system32\net.exe
  net stop winws1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3872
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop winws1
    3⤵
    PID:2092
- C:\Windows\system32\sc.exe
  sc delete winws1
  2⤵
  - Launches sc.exe
  PID:1968
- C:\Windows\system32\sc.exe
  sc create winws1 binPath= "\"C:\Users\Admin\AppData\Local\Temp\zapret-winws\winws.exe\" --wf-l3=ipv4,ipv6 --wf-tcp=80,443 --dpi-desync=fake,split --dpi-desync-ttl=7 --dpi-desync-fooling=md5sig" DisplayName= "zapret DPI bypass : winws1" start= auto
  2⤵
  - Launches sc.exe
  PID:4992
- C:\Windows\system32\sc.exe
  sc description winws1 "zapret DPI bypass software"
  2⤵
  - Launches sc.exe
  PID:116
- C:\Windows\system32\sc.exe
  sc start winws1
  2⤵
  - Launches sc.exe
  PID:400

C:\Users\Admin\AppData\Local\Temp\zapret-winws\winws.exe
"C:\Users\Admin\AppData\Local\Temp\zapret-winws\winws.exe" --wf-l3=ipv4,ipv6 --wf-tcp=80,443 --dpi-desync=fake,split --dpi-desync-ttl=7 --dpi-desync-fooling=md5sig
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

memory/996-1-0x00007FFBAD900000-0x00007FFBADC12000-memory.dmp

Filesize
3.1MB

Download
memory/996-0-0x0000000100400000-0x0000000100446000-memory.dmp

Filesize
280KB

Download
memory/996-4-0x0000000062800000-0x0000000062813000-memory.dmp

Filesize
76KB

Download
memory/996-2-0x0000000100400000-0x0000000100446000-memory.dmp

Filesize
280KB

Download
memory/996-5-0x00007FFBAD900000-0x00007FFBADC12000-memory.dmp

Filesize
3.1MB

Download