8c2fb988b94fb4e30b0ecdcafd007e99b5a823957861663fb4f806c8ee8f884c

Analysis

max time kernel
455s
max time network
459s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
02/04/2024, 12:29

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General

Target
KinitoPET-Python-Virtual-Assistant-main/tv_enua.exe
Size 997KB
Sample240402-ppdnkshg9s
SHA256 709936902951fb684d0a03a561fb7fd41c5e6f81ecd60d326809db66eb659331
MD5 3f8f18c9c732151dcdd8e1d8fe655896
SHA1 222cc49201aa06313d4d35a62c5d494af49d1a56
SHA512 398a83f030824011f102dbcf9b25d3ff7527c489df149e9acdb492602941409cf551d16f6f03c01bc6f63a2e94645ed1f36610bdaffc7891299a8d9f89c511f7
SSDEEP 24576:+RuPGuSU5BiPic3l2iMVCKctDVq0HtPxZj+ihApGm7+MXnrejxAr:LH5Byd2PAd3q0HHZqJpFqMXn1
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\microsoft\Active Setup\Installed Components	tv_enua.exe

Loads dropped DLL 4 IoCs

pid	Process
4608	tv_enua.exe
2812	regsvr32.exe
2812	regsvr32.exe
1780	regsvr32.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\tv_enua = "RunDll32 advpack.dll,LaunchINFSection C:\\Windows\\INF\\tv_enua.inf, RemoveCabinet"	tv_enua.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\SET5DF4.tmp	tv_enua.exe
File created	C:\Windows\SysWOW64\SET5DF4.tmp	tv_enua.exe
File opened for modification	C:\Windows\SysWOW64\msvcp50.dll	tv_enua.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\lhsp\tv\tvenuax.dll	tv_enua.exe
File opened for modification	C:\Windows\lhsp\help\SET5DE1.tmp	tv_enua.exe
File opened for modification	C:\Windows\lhsp\help\tv_enua.hlp	tv_enua.exe
File opened for modification	C:\Windows\fonts\SET5DF2.tmp	tv_enua.exe
File created	C:\Windows\INF\SET5DF3.tmp	tv_enua.exe
File created	C:\Windows\lhsp\tv\SET5DCF.tmp	tv_enua.exe
File opened for modification	C:\Windows\lhsp\tv\tv_enua.dll	tv_enua.exe
File opened for modification	C:\Windows\lhsp\tv\SET5DE0.tmp	tv_enua.exe
File created	C:\Windows\lhsp\tv\SET5DE0.tmp	tv_enua.exe
File created	C:\Windows\lhsp\help\SET5DE1.tmp	tv_enua.exe
File created	C:\Windows\fonts\SET5DF2.tmp	tv_enua.exe
File opened for modification	C:\Windows\fonts\andmoipa.ttf	tv_enua.exe
File opened for modification	C:\Windows\lhsp\tv\SET5DCF.tmp	tv_enua.exe
File opened for modification	C:\Windows\INF\SET5DF3.tmp	tv_enua.exe
File opened for modification	C:\Windows\INF\tv_enua.inf	tv_enua.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\MiscStatus\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA141FD0-AC7F-11d1-97A3-0060082730FF}\InprocServer32\ = "C:\\Windows\\lhsp\\tv\\tv_enua.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA141FD0-AC7F-11d1-97A3-0060082730FF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA141FD0-AC7F-11d1-97A3-0060082730FF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA141FD0-AC7F-11d1-97A3-0060082730FF}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA141FD0-AC7F-11d1-97A3-0060082730FF}\ = "Lernout & Hauspie TruVoice English Text to Speech Engine"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\ = "Lernout & Hauspie TruVoice American English TTS Engine"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\InprocServer32\ = "C:\\Windows\\lhsp\\tv\\tvenuax.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B8F2846E-CE36-11D0-AC83-00C04FD97575}\MiscStatus\1\ = "132497"	regsvr32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 2812	4608	tv_enua.exe	76
PID 4608 wrote to memory of 2812	4608	tv_enua.exe	76
PID 4608 wrote to memory of 2812	4608	tv_enua.exe	76
PID 4608 wrote to memory of 1780	4608	tv_enua.exe	77
PID 4608 wrote to memory of 1780	4608	tv_enua.exe	77
PID 4608 wrote to memory of 1780	4608	tv_enua.exe	77
PID 4608 wrote to memory of 904	4608	tv_enua.exe	78
PID 4608 wrote to memory of 904	4608	tv_enua.exe	78
PID 4608 wrote to memory of 904	4608	tv_enua.exe	78

C:\Users\Admin\AppData\Local\Temp\KinitoPET-Python-Virtual-Assistant-main\tv_enua.exe
"C:\Users\Admin\AppData\Local\Temp\KinitoPET-Python-Virtual-Assistant-main\tv_enua.exe"
1⤵
- Modifies Installed Components in the registry
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s C:\Windows\lhsp\tv\tv_enua.dll
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:2812
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s C:\Windows\lhsp\tv\tvenuax.dll
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:1780
- C:\Windows\SysWOW64\grpconv.exe
  grpconv.exe -o
  2⤵
  PID:904

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ADVPACK.DLL

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ADVPACK.DLL
Size 73KB
SHA256 7d126ed85df9705ec4f38bd52a73b621cf64dd87a3e8f9429a569f3f82f74004
MD5 81e5c8596a7e4e98117f5c5143293020
SHA1 45b7fe0989e2df1b4dfd227f8f3b73b6b7df9081
SHA512 05b1e9eef13f7c140eb21f6dcb705ee3aaafabe94857aa86252afa4844de231815078a72e63d43725f6074aa5fefe765feb93a6b9cd510ee067291526bb95ec6
SSDEEP 1536:3TlRSuxQYyqUB9XzWqxGHVcIIX5ZDBZGscEvWlExtJl966CX6q0uE:FfUB9XamGHpw5ZDXXPOixtJz3CX6qQ
MD5 SHA1 SHA512 SSDEEP

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Msvcirt.dll

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Msvcirt.dll
Size 76KB
SHA256 647f7534aaaedffa93534e4cb9b24bfcf91524828ff0364d88973be58139e255
MD5 e7cd26405293ee866fefdd715fc8b5e5
SHA1 6326412d0ea86add8355c76f09dfc5e7942f9c11
SHA512 1114c5f275ecebd5be330aa53ba24d2e7d38fc20bb3bdfa1b872288783ea87a7464d2ab032b542989dee6263499e4e93ca378f9a7d2260aebccbba7fe7f53999
SSDEEP 1536:4Nx5jQM0/rmlYjYYwnlF6QXHhAk/tFeH3hNfcub:k5Y/rc/zXBAk/t0H3hNfcub
MD5 SHA1 SHA512 SSDEEP

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Msvcp50.dll

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Msvcp50.dll
Size 552KB
SHA256 91cd76f9fa3b25008decb12c005c194bdf66c8d6526a954de7051bec9aae462a
MD5 497fd4a8f5c4fcdaaac1f761a92a366a
SHA1 81617006e93f8a171b2c47581c1d67fac463dc93
SHA512 73d11a309d8f1a6624520a0bf56d539cb07adee6d46f2049a86919f5ce3556dc031437f797e3296311fe780a8a11a1a37b4a404de337d009e9ed961f75664a25
SSDEEP 12288:7l3kpKgpWFynTJ2VKBrCT8KJyyj61Jz7q3OocHkCq9:uKgpWFynTN9CIK01d7q3OocHkCq9
MD5 SHA1 SHA512 SSDEEP

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andmoipa.ttf

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\andmoipa.ttf
Size 29KB
SHA256 38ae07eeb7909bda291d302848b8fe5f11849cf0d597f0e5b300bfed465aed4e
MD5 c3e8aeabd1b692a9a6c5246f8dcaa7c9
SHA1 4567ea5044a3cef9cb803210a70866d83535ed31
SHA512 f74218681bd9d526b68876331b22080f30507898b6a6ebdf173490ca84b696f06f4c97f894cb6052e926b1eee4b28264db1ead28f3bc9f627b4569c1ddcd2d3e
SSDEEP 768:xr+oVrM3Xz9CFnht6/zce4lA7DB8kmhI7oGH4w4EjKflHjbjC:xr+oVrMnz9CFht6/zce42RzmhI7oGYw9
MD5 SHA1 SHA512 SSDEEP

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tv_enua.dll

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tv_enua.dll
Size 1.2MB
SHA256 e0beb19c3536561f603474e3d5e3c3dff341745d317bc4d1463e2abf182bb18d
MD5 ed98e67fa8cc190aad0757cd620e6b77
SHA1 0317b10cdb8ac080ba2919e2c04058f1b6f2f94d
SHA512 ec9c3a71ca9324644d4a2d458e9ba86f90deb9137d0a35793e0932c2aa297877ed7f1ab75729fda96690914e047f1336f100b6809cbc7a33baa1391ed588d7f0
SSDEEP 24576:vPwLKE+aAeUqG7AFbbynL1AgIy6cOi3gy3YuvtTNl:gLKCW0yL1AvuZZvt
MD5 SHA1 SHA512 SSDEEP

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tv_enua.hlp

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tv_enua.hlp
Size 11KB
SHA256 382d745e10944b507a8d9c69ae2e4affd4acf045729a19ac143fa8d9613ccb42
MD5 80d09149ca264c93e7d810aac6411d1d
SHA1 96e8ddc1d257097991f9cc9aaf38c77add3d6118
SHA512 8813303cd6559e2cc726921838293377e84f9b5902603dac69d93e217ff3153b82b241d51d15808641b5c4fb99613b83912e9deda9d787b4c8ccfbd6afa56bc9
SSDEEP 192:j2yDmtRZ4W9iBq7zlILADoq+1g7rZZBc:jVKtRmkIsDoq+y
MD5 SHA1 SHA512 SSDEEP

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tv_enua.inf

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tv_enua.inf
Size 2KB
SHA256 85189df1c141ef5d86c93b1142e65bf03db126d12d24e18b93dd4cc9f3e438ae
MD5 0a250bb34cfa851e3dd1804251c93f25
SHA1 c10e47a593c37dbb7226f65ad490ff65d9c73a34
SHA512 8e056f4aa718221afab91c4307ff87db611faa51149310d990db296f979842d57c0653cb23d53fea54a69c99c4e5087a2eb37daa794ba62e6f08a8da41255795
MD5 SHA1 SHA512

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tvenuax.dll

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tvenuax.dll
Size 40KB
SHA256 c9106198ecbd3a9cab8c2feff07f16d6bb1adfa19550148fc96076f0f28a37b0
MD5 1587bf2e99abeeae856f33bf98d3512e
SHA1 aa0f2a25fa5fc9edb4124e9aa906a52eb787bea9
SHA512 43161c65f2838aa0e8a9be5f3f73d4a6c78ad8605a6503aae16147a73f63fe985b17c17aedc3a4d0010d5216e04800d749b2625182acc84b905c344f0409765a
SSDEEP 384:OWygeD+eKczRKfZsjdeGcOzOf33iX9aeF+xpzy1B9ta7kxAG9BoWWgiJ9VQ:OWo7RKfZsjdeGjFXf+HyVhaGEgiK
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads