Analysis Overview
SHA256
f0981951e7fa784ed2f98e37814875f159531e50e96edbd7efd75b2355829097
Threat Level: Known bad
The file cd7789c26335971a36bbed7579428a03 was found to be: Known bad.
Malicious Activity Summary
Gozi family
Executes dropped EXE
Deletes itself
UPX packed file
Loads dropped DLL
Drops file in System32 directory
Drops file in Windows directory
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-16 07:26
Signatures
Gozi family
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-16 07:26
Reported
2024-03-16 07:29
Platform
win7-20240215-en
Max time kernel
121s
Max time network
121s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\gth88338.exe | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File created | C:\Windows\SysWOW64\mmsfc1.dll | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mmsfc1.dll | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File created | C:\Windows\SysWOW64\ComRes.dll | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\fOntS\ComRes.dll | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File created | C:\Windows\fOntS\gth88338.ttf | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File created | C:\Windows\fOntS\gth88338.fon | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2404 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | C:\Windows\SysWOW64\gth88338.exe |
| PID 2404 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | C:\Windows\SysWOW64\gth88338.exe |
| PID 2404 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | C:\Windows\SysWOW64\gth88338.exe |
| PID 2404 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | C:\Windows\SysWOW64\gth88338.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe
"C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe"
C:\Windows\SysWOW64\gth88338.exe
C:\Windows\system32\gth88338.exe C:\Windows\fOntS\ComRes.dll ins C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe
Network
Files
memory/2404-0-0x0000000000400000-0x0000000000437000-memory.dmp
\Windows\SysWOW64\mmsfc1.dll
| MD5 | 84799328d87b3091a3bdd251e1ad31f9 |
| SHA1 | 64dbbe8210049f4d762de22525a7fe4313bf99d0 |
| SHA256 | f85521215924388830dbb13580688db70b46af4c7d82d549d09086438f8d237b |
| SHA512 | 0a9401c9c687f0edca01258c7920596408934caa21e5392dbaefc222c5c021255a40ec7c114a805cdb7f5a6153ec9fa9592edcc9e45406ce5612aa4e3da6a2c4 |
\Windows\SysWOW64\gth88338.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
memory/2404-12-0x0000000000400000-0x0000000000437000-memory.dmp
C:\Windows\fOntS\ComRes.dll
| MD5 | 615d4a31846add4208fc9e861e615954 |
| SHA1 | 80d5324d7d1aacf800efd008b2f23d59531ff5e3 |
| SHA256 | 097747eb5f1ccd26f2702c00f203e8c34bd9f7b914edcc02ccabf4538e8aaf07 |
| SHA512 | 9648c3b0c82295ed2a6db8c2562e24b9f52c4861e0df76273b8fa93581d9d5c2a189a0a73ab7209bb039c489ec0b9274b0833b7f5d57a859bc69656c0a4966c4 |
memory/1712-18-0x0000000010000000-0x0000000010016000-memory.dmp
memory/1712-20-0x0000000010000000-0x0000000010016000-memory.dmp
memory/1712-21-0x0000000010000000-0x0000000010016000-memory.dmp
C:\Windows\fOntS\gth88338.ttf
| MD5 | 5dd5ed0c6724f9a0dd1bfe5675d914b5 |
| SHA1 | fcb7eecc7e45195c8beacb59c9c2f77b79b6b861 |
| SHA256 | 724c93f1f6844beb70c6317f83eb0b06c0fae92b85b6ed00ef41861703a54859 |
| SHA512 | 6356d8435dfc96bf1fafe7f3d7582bd4ac24c174ffe8e5cd55d45ff8e37bd610c115e63d906e484465604a719f04ebf7139255bf621bf0f5723a4ebeb3c7998e |
C:\Windows\fOntS\gth88338.fon
| MD5 | ba093df63bbef63a4d0df6091d5bd331 |
| SHA1 | 6220f24d319439ed285b0b607759c240768c95de |
| SHA256 | 224cab812fefcb019c3034f89f8b44f47d4a1166633e927027d8092f8b926605 |
| SHA512 | 73b65e8a6681a6cf6130e4a72214c00a5c6a71d9ff1fb405e848beedd78b0b3e4735f3d94756c409750bc526bafbc6322ad01ec29079740083fd5741e386a3e8 |
memory/1712-25-0x00000000001E0000-0x00000000001EE000-memory.dmp
memory/1712-26-0x0000000010000000-0x0000000010016000-memory.dmp
memory/1712-27-0x00000000001E0000-0x00000000001EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-16 07:26
Reported
2024-03-16 07:29
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
155s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\gth88338.exe | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File created | C:\Windows\SysWOW64\mmsfc1.dll | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mmsfc1.dll | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File created | C:\Windows\SysWOW64\ComRes.dll | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\fOntS\gth88338.fon | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File created | C:\Windows\fOntS\ComRes.dll | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| File created | C:\Windows\fOntS\gth88338.ttf | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\gth88338.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\gth88338.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3584 wrote to memory of 3988 | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | C:\Windows\SysWOW64\gth88338.exe |
| PID 3584 wrote to memory of 3988 | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | C:\Windows\SysWOW64\gth88338.exe |
| PID 3584 wrote to memory of 3988 | N/A | C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe | C:\Windows\SysWOW64\gth88338.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe
"C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe"
C:\Windows\SysWOW64\gth88338.exe
C:\Windows\system32\gth88338.exe C:\Windows\fOntS\ComRes.dll ins C:\Users\Admin\AppData\Local\Temp\cd7789c26335971a36bbed7579428a03.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3988 -ip 3988
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 404
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/3584-0-0x0000000000400000-0x0000000000437000-memory.dmp
C:\Windows\SysWOW64\mmsfc1.dll
| MD5 | 98c499fccb739ab23b75c0d8b98e0481 |
| SHA1 | 0ef5c464823550d5f53dd485e91dabc5d5a1ba0a |
| SHA256 | d9d8ce1b86b3978889466ab1b9f46778942d276922bf7533327a493083913087 |
| SHA512 | 9e64ac13e18ab0a518bb85b6612520645b5ab2c9a5359ced943813ba7344714999f25ba0e52240ad2d0c2fefc76552ff43173adc46334ff0b5dba171fb58e4e6 |
C:\Windows\SysWOW64\gth88338.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |
memory/3584-11-0x0000000000400000-0x0000000000437000-memory.dmp
C:\Windows\fOntS\ComRes.dll
| MD5 | 615d4a31846add4208fc9e861e615954 |
| SHA1 | 80d5324d7d1aacf800efd008b2f23d59531ff5e3 |
| SHA256 | 097747eb5f1ccd26f2702c00f203e8c34bd9f7b914edcc02ccabf4538e8aaf07 |
| SHA512 | 9648c3b0c82295ed2a6db8c2562e24b9f52c4861e0df76273b8fa93581d9d5c2a189a0a73ab7209bb039c489ec0b9274b0833b7f5d57a859bc69656c0a4966c4 |
memory/3988-15-0x0000000010000000-0x0000000010016000-memory.dmp
C:\Windows\fOntS\gth88338.ttf
| MD5 | 5dd5ed0c6724f9a0dd1bfe5675d914b5 |
| SHA1 | fcb7eecc7e45195c8beacb59c9c2f77b79b6b861 |
| SHA256 | 724c93f1f6844beb70c6317f83eb0b06c0fae92b85b6ed00ef41861703a54859 |
| SHA512 | 6356d8435dfc96bf1fafe7f3d7582bd4ac24c174ffe8e5cd55d45ff8e37bd610c115e63d906e484465604a719f04ebf7139255bf621bf0f5723a4ebeb3c7998e |
memory/3988-19-0x0000000001600000-0x000000000160E000-memory.dmp
C:\Windows\fOntS\gth88338.fon
| MD5 | ba093df63bbef63a4d0df6091d5bd331 |
| SHA1 | 6220f24d319439ed285b0b607759c240768c95de |
| SHA256 | 224cab812fefcb019c3034f89f8b44f47d4a1166633e927027d8092f8b926605 |
| SHA512 | 73b65e8a6681a6cf6130e4a72214c00a5c6a71d9ff1fb405e848beedd78b0b3e4735f3d94756c409750bc526bafbc6322ad01ec29079740083fd5741e386a3e8 |
memory/3988-20-0x0000000001600000-0x000000000160E000-memory.dmp