301c9b16a7310bb7c9c8d310a3c8c73e78f057162fd4924df9f7b9d8b897faa4

Analysis

max time kernel
71s
max time network
142s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 01:28

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General

Target

0a0c91cee9cc9c7d2f17aef3f6abe798.exe
Size

44KB
MD5

0a0c91cee9cc9c7d2f17aef3f6abe798
SHA1

3bd9be2b5d11ba43fd5637c04eb882bcf146fcfd
SHA256

301c9b16a7310bb7c9c8d310a3c8c73e78f057162fd4924df9f7b9d8b897faa4
SHA512

bd6dc78d5fd0092bf81a44640ec6915c207c9e33eb231b6ea7c2850c09435d9f08ae8aa46156b9de0fe46b866da5386ca8fdb22ca7149269d88d0fb70cc7ff04
SSDEEP

768:OsJqbK2BlJ9Lz9EOQcnlXt0lZ8uDVbrf3OfV+c8Eb2MqyYQbeR:OsJqbxZz9EOQcnQZf//CV+clSM0Mk

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2616	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2412	0a0c91cee9cc9c7d2f17aef3f6abe798.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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winsht32.rom,SOeRun"	0a0c91cee9cc9c7d2f17aef3f6abe798.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winsht32.rom	0a0c91cee9cc9c7d2f17aef3f6abe798.exe
File opened for modification	C:\Windows\SysWOW64\winsht32.rom	0a0c91cee9cc9c7d2f17aef3f6abe798.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 23 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D2EF3CC1-A78F-11EE-8A74-66F723737CE2} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2540	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2540	iexplore.exe
2540	iexplore.exe
2656	IEXPLORE.EXE
2656	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 1184	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	28
PID 2412 wrote to memory of 1184	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	28
PID 2412 wrote to memory of 1184	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	28
PID 2412 wrote to memory of 1184	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	28
PID 1184 wrote to memory of 2540	1184	cmd.exe	30
PID 1184 wrote to memory of 2540	1184	cmd.exe	30
PID 1184 wrote to memory of 2540	1184	cmd.exe	30
PID 1184 wrote to memory of 2540	1184	cmd.exe	30
PID 2540 wrote to memory of 2656	2540	iexplore.exe	31
PID 2540 wrote to memory of 2656	2540	iexplore.exe	31
PID 2540 wrote to memory of 2656	2540	iexplore.exe	31
PID 2540 wrote to memory of 2656	2540	iexplore.exe	31
PID 2412 wrote to memory of 2540	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	30
PID 2412 wrote to memory of 2540	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	30
PID 2412 wrote to memory of 2540	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	30
PID 2412 wrote to memory of 2540	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	30
PID 2412 wrote to memory of 804	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	32
PID 2412 wrote to memory of 804	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	32
PID 2412 wrote to memory of 804	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	32
PID 2412 wrote to memory of 804	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	32
PID 2412 wrote to memory of 2616	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	33
PID 2412 wrote to memory of 2616	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	33
PID 2412 wrote to memory of 2616	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	33
PID 2412 wrote to memory of 2616	2412	0a0c91cee9cc9c7d2f17aef3f6abe798.exe	33

C:\Users\Admin\AppData\Local\Temp\0a0c91cee9cc9c7d2f17aef3f6abe798.exe
"C:\Users\Admin\AppData\Local\Temp\0a0c91cee9cc9c7d2f17aef3f6abe798.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start iexplore -embedding
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -embedding
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2540 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2656
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\gos20.bat"
  2⤵
  PID:804
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Users\Admin\AppData\Local\Temp\0a0c91cee9cc9c7d2f17aef3f6abe798.bat"
  2⤵
  - Deletes itself
  PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC

Filesize
914B

MD5
e4a68ac854ac5242460afd72481b2a44

SHA1
df3c24f9bfd666761b268073fe06d1cc8d4f82a4

SHA256
cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

SHA512
5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

Filesize
252B

MD5
9d487a1b11c2702bc86d153473b7967d

SHA1
4f2212fd76f885ccb4ce456c4eb61bb0e495abdb

SHA256
80f24e752881449db83b5de1f45a41cf290772710aba82c0c394883139b8b728

SHA512
5a4ef0e4c17d91004c392e8f7a04102b714cae4330ecfa4408f97e116d374c90a4fc64a6b936378dd1b25fd5d8cb0552f945df25566064f948f5f2c9e70e92dd

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
c85a258061375ae41daffe25bc6f7625

SHA1
1a6db56af3e12e2ac19529e5da22e48748dd6ff0

SHA256
667549125ff6438882418c7034476fadae7ec91c9be39d0d3fac8500c7fef428

SHA512
308cff5ee8a1beb86d47ac8bd2e16e8212eeabffb4ba73cb99734f0619f522e4b64603bbb61724ca92ad3072904f19b628deff46d5ad1f4147c9c7f342d94bcf

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
cd1f1f2c2dcdb8593312dee552ed39f3

SHA1
29750f133fe83e798db00f60593e3ba4ec521873

SHA256
86fd59dce59a8ebf7bce671133eb0f23b03e58f2c43cc9b0cc3fa9b4029dd4d9

SHA512
c9ca46b8633b52406b4926f7dfc624c4275267ca5921923a2e83cb7c3b831e44d606b9badb880ee9d0a6feaac9de429fbf4f52e427cf867781c72e0066c3bd2e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
6631da3b50c1d5b0fa7207c5fa640ce2

SHA1
4c68b0f4a286b279d1fa16fc207349db4c1a5153

SHA256
ca0464f500685ebba549a49024778ae201d9738fb7161230370de79a3c09b5cd

SHA512
aa83b5ebbf5f30f6e0281a4176bef4ea6033d4152542a39ebc0b13b70e8a4dd076664ed0b8c77e53b59dd1534a5fde12196b589e3d94afce2074a7b26a0af1f1

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
7b9ba0804ac52f2f61152fbfa5ece5b6

SHA1
fc6e48c47e3a3e0dd8182de6a6b243d896876f51

SHA256
96f4a6d108e41441fef4920388fa1d44c6ff0a768c9b1caebf019b6efc99c340

SHA512
b4e3c11191dc9939aff92140ff748d53c97f4b822da2b9dc2f68bc3de74ca4ca2320f7344164841ee01f2ceda9734a7e12567a210cd0a74f484aad25cf72db2b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
9997faacfa74176793eba43574d9d13d

SHA1
7940d28841b753735da2ab32bc97867771c80b2b

SHA256
23ffe48590129320f973fc20d125f320eff837a106818d998d97ed44da11b1ee

SHA512
9dfca1d60c98fc56da75ac1e5b27dd175b4e166233458e28e4ce5a26018d472e5e803392e2835a0565a446cadb36a49edba4f481e718bb3de5d56dfb42164ede

Download Submit
C:\Users\Admin\AppData\Local\Temp\0a0c91cee9cc9c7d2f17aef3f6abe798.bat

Filesize
263B

MD5
ff04bcd2a70d7c9ce795a3f0cfaa402e

SHA1
3d18873178c0b400c2ad422320917c2d2913f6d4

SHA256
c68eb25266b5ad19d35d2319d6f512bad177e75c080d87c2d283da36a64b8a86

SHA512
0bf3e01e68521bbe1da47646bc57aec1605919c17c1e24d2988dbac0865d73c93cf82391ccc7af89737372066702031cb5f46dc4f5e09d3d3d420168d6378f2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar25DD.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\gos20.bat

Filesize
182B

MD5
f66ee7a58becbd4aa0e3b3b092fb8769

SHA1
20c66abd758e8f7004bf9b721ecd84dd206088bc

SHA256
f9697898b46823d07fcee6c4dd164db9d9a53147d7a36b4bf2871b30796dbfef

SHA512
2cdc09c13d394bfd53af611b0281f77b1f1de7175d0e057e399da20ed1e2589c2c10aaf5163fc97b143dafa03a8ddc2513a3c0e19f78716965a32ed70e251fe7

Download Submit
\Users\Admin\AppData\Local\Temp\gos20.tmp

Filesize
32KB

MD5
aab86d70689c799ad35ee783bec146ae

SHA1
08e3221f0df46ea80056d49f85726aa36361a33a

SHA256
3db9a6e49c312bcb32ee9b201a656c951ea7f4730fc9169b457df9a348de4b30

SHA512
dfcc270bdc8ca4ea9133f6ef85ea0692b4f4241d61743ec368e314d6559deb8f91dcf882528cf6c9b082ee5e662621188168a431ed4789283b276937bd35d49a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads