b4924a8a67c02d6891fad98d895ef5fd7a1ad46fd91421c7a94569d5928d12b3

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 10:22

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General

Target

a1a13c74312941ce3e229ac7a65a8084.exe
Size

228KB
MD5

a1a13c74312941ce3e229ac7a65a8084
SHA1

37a3c723201fa2879c7960ee6965a4bcc9ca0061
SHA256

b4924a8a67c02d6891fad98d895ef5fd7a1ad46fd91421c7a94569d5928d12b3
SHA512

37a4856fabfc270883ddf5abd7a69f47f17a0fdc698777f66f5387095805ebc51791550ba8051d25dc2f2ac53f42cad1ce18bde46e731063cd1551ee1abfb5c9
SSDEEP

6144:xhH7K0Rti2veu2MDtysq5DhHdsxxUVUo7nOl:/K0Neu2A48xlUnOl

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Windows Dynamic Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winupdater.exe"	a1a13c74312941ce3e229ac7a65a8084.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	a1a13c74312941ce3e229ac7a65a8084.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	a1a13c74312941ce3e229ac7a65a8084.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	a1a13c74312941ce3e229ac7a65a8084.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Dynamic Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winupdater.exe"	a1a13c74312941ce3e229ac7a65a8084.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Dynamic Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winupdater.exe"	a1a13c74312941ce3e229ac7a65a8084.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2304	a1a13c74312941ce3e229ac7a65a8084.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88
PID 2304 wrote to memory of 1008	2304	a1a13c74312941ce3e229ac7a65a8084.exe	88

C:\Users\Admin\AppData\Local\Temp\a1a13c74312941ce3e229ac7a65a8084.exe
"C:\Users\Admin\AppData\Local\Temp\a1a13c74312941ce3e229ac7a65a8084.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\a1a13c74312941ce3e229ac7a65a8084.exe
  C:\Users\Admin\AppData\Local\Temp\a1a13c74312941ce3e229ac7a65a8084.exe
  2⤵
  - Modifies firewall policy service
  - Adds Run key to start application
  PID:1008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1008-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-11-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-13-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-16-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-18-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1008-21-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads