9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74

General

Target
9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe
Size 62KB
Sample241110-e6931azfjg
SHA256 9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74
MD5 4a926e29d489424f7da4eff26be651f0
SHA1 359a6348852d3ef656dac40d5a7dac4e6000db5e
SHA512 bf31bbfee4db7a096725a153d024ec9d0d5c3cb5c7698e8c47040982d39e965ba4eeeb4193ae43b7900175693e0974990a5deb3e7c1bc7e432ba2734f4575e7d
SSDEEP 1536:bcZhGecHWOaudfLemMHDCEUJPxcKd06WgXCxqfxS21bnouy83q:wjgWpeWDCZJPW6Wg9xSiDout3q
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4636	netprotocol.exe
3628	netprotocol.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Netprotocol = "C:\\Users\\Admin\\AppData\\Roaming\\netprotocol.exe"	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1580 set thread context of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 4636 set thread context of 3628	4636	netprotocol.exe	88

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1580-0-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3596-3-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/3596-5-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/3596-7-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/1580-9-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/files/0x0008000000023cb1-12.dat	upx
behavioral2/memory/4636-13-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/4636-23-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3596-24-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/3628-25-0x0000000000400000-0x0000000000425000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netprotocol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netprotocol.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe
4636	netprotocol.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 1580 wrote to memory of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 1580 wrote to memory of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 1580 wrote to memory of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 1580 wrote to memory of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 1580 wrote to memory of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 1580 wrote to memory of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 1580 wrote to memory of 3596	1580	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	85
PID 3596 wrote to memory of 4636	3596	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	87
PID 3596 wrote to memory of 4636	3596	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	87
PID 3596 wrote to memory of 4636	3596	9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe	87
PID 4636 wrote to memory of 3628	4636	netprotocol.exe	88
PID 4636 wrote to memory of 3628	4636	netprotocol.exe	88
PID 4636 wrote to memory of 3628	4636	netprotocol.exe	88
PID 4636 wrote to memory of 3628	4636	netprotocol.exe	88
PID 4636 wrote to memory of 3628	4636	netprotocol.exe	88
PID 4636 wrote to memory of 3628	4636	netprotocol.exe	88
PID 4636 wrote to memory of 3628	4636	netprotocol.exe	88
PID 4636 wrote to memory of 3628	4636	netprotocol.exe	88

C:\Users\Admin\AppData\Local\Temp\9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe
"C:\Users\Admin\AppData\Local\Temp\9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Users\Admin\AppData\Local\Temp\9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe
  C:\Users\Admin\AppData\Local\Temp\9958afd49d7138cd17ebe6657879bb1c036f3eb4d1b43789fd0f2fcabaabee74N.exe
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3596
- - C:\Users\Admin\AppData\Roaming\netprotocol.exe
    C:\Users\Admin\AppData\Roaming\netprotocol.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4636
  - - C:\Users\Admin\AppData\Roaming\netprotocol.exe
      C:\Users\Admin\AppData\Roaming\netprotocol.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3628

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

netprotocol.exe

Path C:\Users\Admin\AppData\Roaming\netprotocol.exe
Size 62KB
SHA256 30359d9974afcb4b8ef99f6924c4b08db12dbb1661530c7ed3f69567149d16da
MD5 77ee088c370af4e560770d54ef2b61e8
SHA1 db119e0e505b49391ec2bdab00c8bdeca7a8a9f8
SHA512 75635947468757ac40d4646a502a897bce0cdc64d122a26c2287a8b60bf95a23bcb59660911cbaf3ab3713ba159b81814dfde17e5100ea10b455f77ec582e110
SSDEEP 1536:bAZhGecHWOaudfLemMHDCEUJPxcKd06WgXCxqfxS21bnouy83q:sjgWpeWDCZJPW6Wg9xSiDout3q
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1580-0-0x0000000000400000-0x0000000000445000-memory.dmp

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memory/1580-9-0x0000000000400000-0x0000000000445000-memory.dmp

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memory/3596-3-0x0000000000400000-0x0000000000425000-memory.dmp

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memory/3596-5-0x0000000000400000-0x0000000000425000-memory.dmp

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memory/3596-7-0x0000000000400000-0x0000000000425000-memory.dmp

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memory/3596-24-0x0000000000400000-0x0000000000425000-memory.dmp

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memory/3628-25-0x0000000000400000-0x0000000000425000-memory.dmp

Download

memory/4636-13-0x0000000000400000-0x0000000000445000-memory.dmp

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memory/4636-23-0x0000000000400000-0x0000000000445000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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