aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67

Analysis

max time kernel
137s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 19:46

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General

Target

aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe
Size

21KB
MD5

d2247e4013aadbffdf7459fd6e229114
SHA1

30b466152297653a8a58651cca7cbcba23195e9f
SHA256

aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67
SHA512

eb9e62e5cb9229c44cd79d1471663855e7109883db08d035d74cb3bfc4ebecee70b5220799d2c15253843c6f883c7a5917f42301ccbd8162fac77f2fa9984a29
SSDEEP

384:X3hl3/UDX4yyYE0NksyOgOwCd7cLr+HXWqroWrUIzIv3wkHXSAdYmGurO26:hl3/UDX4yyY1DpwC1cLqGMdA3vUASmG

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe"	svchost.exe

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\svchost.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe:*:Enabled:svchost.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3360	svchost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 476 wrote to memory of 3144	476	aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe	76
PID 476 wrote to memory of 3144	476	aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe	76
PID 476 wrote to memory of 3144	476	aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe	76
PID 476 wrote to memory of 2536	476	aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe	78
PID 476 wrote to memory of 2536	476	aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe	78
PID 476 wrote to memory of 2536	476	aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe	78
PID 2536 wrote to memory of 3360	2536	cmd.exe	80
PID 2536 wrote to memory of 3360	2536	cmd.exe	80
PID 2536 wrote to memory of 3360	2536	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe
"C:\Users\Admin\AppData\Local\Temp\aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:476
- C:\Windows\SysWOW64\cmd.exe
  cmd /c copy "C:\Users\Admin\AppData\Local\Temp\aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67.exe" "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  PID:3144
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    C:\Users\Admin\AppData\Local\Temp\svchost.exe
    3⤵
    - Modifies WinLogon for persistence
    - Modifies firewall policy service
    - Executes dropped EXE
    PID:3360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
21KB

MD5
d2247e4013aadbffdf7459fd6e229114

SHA1
30b466152297653a8a58651cca7cbcba23195e9f

SHA256
aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67

SHA512
eb9e62e5cb9229c44cd79d1471663855e7109883db08d035d74cb3bfc4ebecee70b5220799d2c15253843c6f883c7a5917f42301ccbd8162fac77f2fa9984a29

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
21KB

MD5
d2247e4013aadbffdf7459fd6e229114

SHA1
30b466152297653a8a58651cca7cbcba23195e9f

SHA256
aaa36171dc2d828846efaa6dfe9baf1cb8b3685a15afbaa725c455c6189f1e67

SHA512
eb9e62e5cb9229c44cd79d1471663855e7109883db08d035d74cb3bfc4ebecee70b5220799d2c15253843c6f883c7a5917f42301ccbd8162fac77f2fa9984a29

Download Submit
memory/476-134-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3360-138-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3360-139-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads