a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb

General

Target

a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Size

1.5MB
MD5

28d628766fac60a40e621f5082be1ef2
SHA1

08e79d2da385fa4255052fa2c9b84eb59fb893eb
SHA256

a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb
SHA512

32a8fbda8433507633f73b86c84d60650d977e29cd7ac056aafaaaa04eb8714794558a3f08423b055bc2310ddbdd94747b9e9096820e1a93b746686dcdde527d
SSDEEP

24576:JiszUsyjtELYzwOXY1Xf+KezaEMsia74gC2wwppYY7lPGy1gcKM27AVq33YmkDyT:0szLeEWwOmlePtiYCxablecM7AYIbDyT

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1640-56-0x00000000007A0000-0x00000000007D8000-memory.dmp	upx
behavioral1/memory/1640-57-0x00000000007A0000-0x00000000007D8000-memory.dmp	upx
behavioral1/memory/1640-60-0x00000000007A0000-0x00000000007D8000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\AnntraxCoder = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe"	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform ID	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e077ad9b7900d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376109952"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbec07815684004d899a318f710de6af00000000020000000000106600000001000020000000ce3290ed9316913c168d89edbca60a2f05d9cac3c9df050bac8b81f6e01b8ddf000000000e80000000020000200000008e92fe3c940e7a602fc160705531646550985038bffc5f0a9f5f94862a60a6ea200000000d843dfabd6b554d507999aef026f9bdbca7be22fa8af1aa971119754870048d40000000453258bebf7d5a066f22227b7ea3689de708bf692fbe73b1dcf68674e56b7ae3b5b5413320744fb955b91671fa2060fb43462018d7c92f8aaba66316ee237600	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BAA867E1-6C6C-11ED-BB5A-5A9C998014C3} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

pid	process
1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1420 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1420 iexplore.exe
1420 iexplore.exe
1400 IEXPLORE.EXE
1400 IEXPLORE.EXE
1400 IEXPLORE.EXE
1400 IEXPLORE.EXE

pid	process
1420	iexplore.exe

pid	process
1420	iexplore.exe
1420	iexplore.exe
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exeiexplore.exe

description	pid	process	target process
PID 1640 wrote to memory of 1420	1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe	iexplore.exe
PID 1640 wrote to memory of 1420	1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe	iexplore.exe
PID 1640 wrote to memory of 1420	1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe	iexplore.exe
PID 1640 wrote to memory of 1420	1640	a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe	iexplore.exe
PID 1420 wrote to memory of 1400	1420	iexplore.exe	IEXPLORE.EXE
PID 1420 wrote to memory of 1400	1420	iexplore.exe	IEXPLORE.EXE
PID 1420 wrote to memory of 1400	1420	iexplore.exe	IEXPLORE.EXE
PID 1420 wrote to memory of 1400	1420	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe
"C:\Users\Admin\AppData\Local\Temp\a61117b868fc81a7651b2247548a5158ffdd456dbb4cd17b5a943b9bc3a359fb.exe"
1⤵
- Checks BIOS information in registry
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1640

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://whatsappnovidades.com/cont/cadastro.php
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1420

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1420 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\IWP1MZDD.txt

Filesize
608B

MD5
6dc6d8a43c67687412084887c5cfa5e8

SHA1
c8677e90b43d8bdd93b155fb4a720bdea144986e

SHA256
af0a61f66bff61e744d8f92e266195b1e654e9c2d5c5f75b55dab9af091c97b4

SHA512
9b2fd7d4f9243b9f33e59f88f1f11e97c16a2bb04c5761308fb2f97738602ff784bec8f15bf6bf1dcbe68b5f8c1e807a08b560ab3ce1869d99f006d7a4717654

Download Submit
memory/1640-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1640-55-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/1640-56-0x00000000007A0000-0x00000000007D8000-memory.dmp

Filesize
224KB

Download
memory/1640-57-0x00000000007A0000-0x00000000007D8000-memory.dmp

Filesize
224KB

Download
memory/1640-58-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/1640-59-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/1640-60-0x00000000007A0000-0x00000000007D8000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads