5a911be4a93750ad02b0070fc52af190c178d884d2291546ece8b30718bcb1c1

General

Target

3b449c89b8bf48cbda3f85135d80c447.exe
Size

72KB
MD5

3b449c89b8bf48cbda3f85135d80c447
SHA1

d6112e90ee0c02b8f5c1d71682c09a02d5ee5f23
SHA256

5a911be4a93750ad02b0070fc52af190c178d884d2291546ece8b30718bcb1c1
SHA512

71f96ece9587797bac680e67750db9eb9163fb35fcf817eddc143dcabef46bb564a9dfae3f050025fbea930539073e4c33038d1940ef80316764b025b4dd7e07
SSDEEP

768:M9Y4gWpJqddHs/FcpgwgN4Yle9JwVnHkB9/fq6WIuX548SgrXI8z5pm1EjK8OHuz:fYcGbNMdfq6WzX54rgDr52TYIseU7r

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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	scheb.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	scheb.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\scheb.exe"	scheb.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	scheb.exe

Executes dropped EXE 2 IoCs

pid	Process
4972	scheb.exe
4268	scheb.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\scheb.exe"	scheb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\scheb.exe"	scheb.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 4972 set thread context of 4268	4972	scheb.exe	24

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1912	3b449c89b8bf48cbda3f85135d80c447.exe
1912	3b449c89b8bf48cbda3f85135d80c447.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe
4268	scheb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1868	3b449c89b8bf48cbda3f85135d80c447.exe
4972	scheb.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1868 wrote to memory of 1912	1868	3b449c89b8bf48cbda3f85135d80c447.exe	19
PID 1912 wrote to memory of 4972	1912	3b449c89b8bf48cbda3f85135d80c447.exe	25
PID 1912 wrote to memory of 4972	1912	3b449c89b8bf48cbda3f85135d80c447.exe	25
PID 1912 wrote to memory of 4972	1912	3b449c89b8bf48cbda3f85135d80c447.exe	25
PID 4972 wrote to memory of 4268	4972	scheb.exe	24
PID 4972 wrote to memory of 4268	4972	scheb.exe	24
PID 4972 wrote to memory of 4268	4972	scheb.exe	24
PID 4972 wrote to memory of 4268	4972	scheb.exe	24
PID 4972 wrote to memory of 4268	4972	scheb.exe	24
PID 4972 wrote to memory of 4268	4972	scheb.exe	24
PID 4972 wrote to memory of 4268	4972	scheb.exe	24
PID 4972 wrote to memory of 4268	4972	scheb.exe	24
PID 4972 wrote to memory of 4268	4972	scheb.exe	24

C:\Users\Admin\AppData\Local\Temp\3b449c89b8bf48cbda3f85135d80c447.exe
"C:\Users\Admin\AppData\Local\Temp\3b449c89b8bf48cbda3f85135d80c447.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Admin\AppData\Local\Temp\3b449c89b8bf48cbda3f85135d80c447.exe
  "C:\Users\Admin\AppData\Local\Temp\3b449c89b8bf48cbda3f85135d80c447.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Users\Admin\AppData\Roaming\scheb.exe
    "C:\Users\Admin\AppData\Roaming\scheb.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4972

C:\Users\Admin\AppData\Roaming\scheb.exe
"C:\Users\Admin\AppData\Roaming\scheb.exe"
1⤵
- Modifies firewall policy service
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\fla7DXG8N.tmp

Filesize
7B

MD5
ba9bf05693b9fa202d922dd43a08f281

SHA1
d5244a331aad290f924ed5ed8c070d65d2e0633e

SHA256
24e6654bfd1ab85bebb1f721a4be46e6fdb9ea8974d14442d3aaecd1f971fcbb

SHA512
32f2d0cd55c93caf5f3ccc41256d316565bb4faa36b88388ba9177bd55320d851af71517e9254e348d61d8630324cec0d175a400207c75cc06205caaf7ca51a6

Download Submit
memory/1912-4-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1912-5-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1912-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1912-18-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4268-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4268-20-0x0000000000590000-0x000000000059A000-memory.dmp

Filesize
40KB

Download
memory/4268-26-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4268-28-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4268-30-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4268-33-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4268-35-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads