45b5652c1a2d919d61e30e3795b56370bac7e5dc68dc5b14d59241b5e12db881

Analysis

max time kernel
48s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 11:14

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General

Target
Contrato_MP-LD3Z8Q.hta
Size 3KB
Sample260803-ncbssavhnd
SHA256 45b5652c1a2d919d61e30e3795b56370bac7e5dc68dc5b14d59241b5e12db881
MD5 6728eef5d35f6a09c7f8c5260647f9ba
SHA1 244397a079b02c2e045245af1f55fdb5832621f6
SHA512 dd774f74b33c5884c7a33c5af78c6ac1291ba5617c40b6f39ba9be3000bfd4d6d073e477752417fe04b588d6c5dee36638a68e0bc92570abba48f1ebcd7d41a4
TLSH
T18A5132F7BA4252C6BC32899B6A6F608A148417021366E0FCF6DBEC01EF88F4945347D8
MD5 SHA1 SHA512 TLSH

Score

8^/10

adware defense_evasion discovery execution spyware

Malware Config

Signatures

Badlisted process makes network request 7 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
4	4880	mshta.exe
6	4880	mshta.exe
8	4880	mshta.exe
10	4880	mshta.exe
13	4880	mshta.exe
14	4880	mshta.exe
15	4880	mshta.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5860	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
5860	cmd.exe
2328	PING.EXE

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe

Modifies registry class 28 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheVersion = "1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CacheLimit = "1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Extensible Cache	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CacheVersion = "1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheLimit = "51200"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheVersion = "1"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheLimit = "1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\MuiCache	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2328	PING.EXE

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	13	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4084	rundll32.exe
960	rundll32.exe
4948	rundll32.exe
2624	rundll32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 960	4880	mshta.exe	91
PID 4880 wrote to memory of 4084	4880	mshta.exe	90
PID 960 wrote to memory of 5560	960	rundll32.exe	92
PID 4084 wrote to memory of 4460	4084	rundll32.exe	93
PID 4880 wrote to memory of 4948	4880	mshta.exe	94
PID 4948 wrote to memory of 676	4948	rundll32.exe	95
PID 4880 wrote to memory of 2624	4880	mshta.exe	97
PID 2624 wrote to memory of 1576	2624	rundll32.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2884	attrib.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Contrato_MP-LD3Z8Q.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Badlisted process makes network request
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4084
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:4460
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:960
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:5560
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:676
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:1576
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" +h +s "C:\gtxiqrby\"
  2⤵
  - Views/modifies file attributes
  PID:2884
- C:\gtxiqrby\gtxiqrby.exe
  "C:\gtxiqrby\gtxiqrby.exe" C:\gtxiqrby\gtxiqrby
  2⤵
  PID:4324
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  PID:3444
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    PID:5112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul
  2⤵
  - Executes a command shell one-liner
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:5860
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 300 -w 1000 127.0.0.1
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2328

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

a1.zip

Path C:\gtxiqrby\a1.zip
Size 494KB
SHA256 55a6f00485ed97f1d7c176e1f00376e8278e1a531bba85c623221cf137f0af1f
MD5 777538c36f993d343acd803b20696a44
SHA1 21310001801983016bcf3cea1bb76425d7fd748a
SHA512 4200a582b5d6d72542fc322129ebde85bafa2d20392229961f399d8c7c350ee8c434efe67c00c9e121c551b75755ef0f1cc4dffad474d88a01148994778e5315
SSDEEP 12288:WxU7hblQnL+/dh+Gez4yOGtBan225oCWp8SrI0:Wq7hblmK/dgGeVlk22aCarI0
TLSH
T120B4231C22C5BD086D3D97FB58539F7405E62A9E14B8024DE18B73C4ABCEF815F829E6
MD5 SHA1 SHA512 SSDEEP TLSH

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a2.zip

Path C:\gtxiqrby\a2.zip
Size 1.3MB
SHA256 e52134b756881dd2c2851db1a23adbfa8bf219d7eed4ac5114b45ba732971cf3
MD5 d02e0ff6652116244ee48216fdba27fd
SHA1 e51d5ac6053274fcca04b9d53e63ad85e9b8888b
SHA512 3acb53d478da40c2b06467d09700659219f06d2817b0497498d94c89e4d542961e02911ed8c501426b45c6981d5a6eaa84fab86e9e109839b7ec84e95032da82
SSDEEP 24576:1AuYNwua6NduNqjRt1pSdu4E0mcKptG6lgVT0kQkmSp9QpDH1tMlya3:1AuSw7Ku4xpSd7m7BlgVQmvQJH1tS
TLSH
T17E553355B7EDDF14E07C52A1C9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
MD5 SHA1 SHA512 SSDEEP TLSH

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a3.zip

Path C:\gtxiqrby\a3.zip
Size 2KB
SHA256 3c19fea3bf705720ce0a89fcee6b9ce72627b02007e90991d6ceed1f56f63e62
MD5 e4f67dae7ff847b101a1594c08c5961e
SHA1 afe13e9e3c855cb0bf753147e8cd56d431c9d4cd
SHA512 ca5d653907efea525552eb6c19eb780644ac8965fb9a3cc94b2e534d21405469ced44de875704aa11d486c3e1159bfaf9977e68e040c3e534180c85ea515cb1c
TLSH
T1D1413AE88DADBD90D6CE79749A14587156372EC499C062681FBFEC042120399CE2F46D
MD5 SHA1 SHA512 TLSH

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gtxiqrby

Path C:\gtxiqrby\gtxiqrby
Size 1.3MB
SHA256 30af0a4b9b7c7d8cf41c169be3d51c03d9dabd0c18ed699b31850b618b5db55e
MD5 3acd16edf0a4a2c6ece5bdb47bbfe252
SHA1 f2c68a96d6233778d1900a859ff089284c1672f2
SHA512 db484aa924751393a2bb72b482dea0882e2ea077a48f24e9535c1dd4fb49491779832533a50b509770220503952dc01253e62205b3a376ee4660d7c7f3348172
SSDEEP 24576:wAsYBwwc6NnutqPLth3SduIE0mcKppG2RgzTckokmGpVQpHH3tghysG:wAsiw7WuYn3Sdpm7PRgzIYrQhH3tb
TLSH
T121553355B7EDDF04E0BD51A1D9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
MD5 SHA1 SHA512 SSDEEP TLSH

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gtxiqrby.exe

Path C:\gtxiqrby\gtxiqrby.exe
Size 957KB
SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
MD5 279274f8a137bf31425a9c2c14444b66
SHA1 6f7f971406854309d94139aa70bdc772308aff52
SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
TLSH
T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads