Analysis
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max time kernel
81s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
26-09-2021 12:11
Static task
static1
Behavioral task
behavioral1
Sample
77b01d21a55c52756c16e6355c5a6ec4.exe
Resource
win7-en-20210920
General
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Target
77b01d21a55c52756c16e6355c5a6ec4.exe
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Size
430KB
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MD5
77b01d21a55c52756c16e6355c5a6ec4
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SHA1
a38f70512aad190cea6085905b9a17865c2c6db4
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SHA256
dec0265226f1b0fcbcd3570d1fabb2b97a26b0fa575026782f169e7d1d282df5
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SHA512
993d5df996026ae57fb0cb92908c166c2d543ad04d2ba5601153e36caba1dbc844e35e252294e2dbe2e857a64f892d0c25b26b43d4364fa7d54abad5ba109f83
Malware Config
Extracted
raccoon
f6d7183c9e82d2a9b81e6c0608450aa66cefb51f
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url4cnc
https://t.me/justoprostohello
Signatures
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suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
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suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
S0fx1RhIQ8.exesihost.exepid process 1292 S0fx1RhIQ8.exe 3808 sihost.exe -
Loads dropped DLL 6 IoCs
Processes:
77b01d21a55c52756c16e6355c5a6ec4.exepid process 636 77b01d21a55c52756c16e6355c5a6ec4.exe 636 77b01d21a55c52756c16e6355c5a6ec4.exe 636 77b01d21a55c52756c16e6355c5a6ec4.exe 636 77b01d21a55c52756c16e6355c5a6ec4.exe 636 77b01d21a55c52756c16e6355c5a6ec4.exe 636 77b01d21a55c52756c16e6355c5a6ec4.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1780 schtasks.exe 1388 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1668 timeout.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
77b01d21a55c52756c16e6355c5a6ec4.execmd.exeS0fx1RhIQ8.exesihost.exedescription pid process target process PID 636 wrote to memory of 1292 636 77b01d21a55c52756c16e6355c5a6ec4.exe S0fx1RhIQ8.exe PID 636 wrote to memory of 1292 636 77b01d21a55c52756c16e6355c5a6ec4.exe S0fx1RhIQ8.exe PID 636 wrote to memory of 1292 636 77b01d21a55c52756c16e6355c5a6ec4.exe S0fx1RhIQ8.exe PID 636 wrote to memory of 1400 636 77b01d21a55c52756c16e6355c5a6ec4.exe cmd.exe PID 636 wrote to memory of 1400 636 77b01d21a55c52756c16e6355c5a6ec4.exe cmd.exe PID 636 wrote to memory of 1400 636 77b01d21a55c52756c16e6355c5a6ec4.exe cmd.exe PID 1400 wrote to memory of 1668 1400 cmd.exe timeout.exe PID 1400 wrote to memory of 1668 1400 cmd.exe timeout.exe PID 1400 wrote to memory of 1668 1400 cmd.exe timeout.exe PID 1292 wrote to memory of 1780 1292 S0fx1RhIQ8.exe schtasks.exe PID 1292 wrote to memory of 1780 1292 S0fx1RhIQ8.exe schtasks.exe PID 1292 wrote to memory of 1780 1292 S0fx1RhIQ8.exe schtasks.exe PID 3808 wrote to memory of 1388 3808 sihost.exe schtasks.exe PID 3808 wrote to memory of 1388 3808 sihost.exe schtasks.exe PID 3808 wrote to memory of 1388 3808 sihost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\77b01d21a55c52756c16e6355c5a6ec4.exe"C:\Users\Admin\AppData\Local\Temp\77b01d21a55c52756c16e6355c5a6ec4.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\S0fx1RhIQ8.exe"C:\Users\Admin\AppData\Local\Temp\S0fx1RhIQ8.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\77b01d21a55c52756c16e6355c5a6ec4.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\S0fx1RhIQ8.exeMD5
2cd9ee84b4da1a802e9f5082a5ffeb6d
SHA1f6cd9b6b5561456c8a0d8880e2a468bd2256618a
SHA2560e0024c2ca6388bf69ef07a39a6bd45e88e739e6bcd0cb09aff9f0f85ff88348
SHA512e64ed4bd1cf7974cb0392f1fe37c81372035808db2b6fa34d80daa3af20ef588b536a9242dba7f9e6c9a52ab6f588defbb9020674dcd2b8f559311169241713f
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C:\Users\Admin\AppData\Local\Temp\S0fx1RhIQ8.exeMD5
2cd9ee84b4da1a802e9f5082a5ffeb6d
SHA1f6cd9b6b5561456c8a0d8880e2a468bd2256618a
SHA2560e0024c2ca6388bf69ef07a39a6bd45e88e739e6bcd0cb09aff9f0f85ff88348
SHA512e64ed4bd1cf7974cb0392f1fe37c81372035808db2b6fa34d80daa3af20ef588b536a9242dba7f9e6c9a52ab6f588defbb9020674dcd2b8f559311169241713f
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeMD5
2cd9ee84b4da1a802e9f5082a5ffeb6d
SHA1f6cd9b6b5561456c8a0d8880e2a468bd2256618a
SHA2560e0024c2ca6388bf69ef07a39a6bd45e88e739e6bcd0cb09aff9f0f85ff88348
SHA512e64ed4bd1cf7974cb0392f1fe37c81372035808db2b6fa34d80daa3af20ef588b536a9242dba7f9e6c9a52ab6f588defbb9020674dcd2b8f559311169241713f
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeMD5
2cd9ee84b4da1a802e9f5082a5ffeb6d
SHA1f6cd9b6b5561456c8a0d8880e2a468bd2256618a
SHA2560e0024c2ca6388bf69ef07a39a6bd45e88e739e6bcd0cb09aff9f0f85ff88348
SHA512e64ed4bd1cf7974cb0392f1fe37c81372035808db2b6fa34d80daa3af20ef588b536a9242dba7f9e6c9a52ab6f588defbb9020674dcd2b8f559311169241713f
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\Users\Admin\AppData\LocalLow\sqlite3.dllMD5
f964811b68f9f1487c2b41e1aef576ce
SHA1b423959793f14b1416bc3b7051bed58a1034025f
SHA25683bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7
SHA512565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4
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\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\mozglue.dllMD5
eae9273f8cdcf9321c6c37c244773139
SHA18378e2a2f3635574c106eea8419b5eb00b8489b0
SHA256a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc
SHA51206e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097
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\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\nss3.dllMD5
02cc7b8ee30056d5912de54f1bdfc219
SHA1a6923da95705fb81e368ae48f93d28522ef552fb
SHA2561989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5
SHA5120d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5
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\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\softokn3.dllMD5
4e8df049f3459fa94ab6ad387f3561ac
SHA106ed392bc29ad9d5fc05ee254c2625fd65925114
SHA25625a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871
SHA5123dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6
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memory/636-114-0x0000000002310000-0x00000000023A0000-memory.dmpFilesize
576KB
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memory/636-115-0x0000000000400000-0x00000000004F2000-memory.dmpFilesize
968KB
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memory/1292-122-0x0000000000000000-mapping.dmp
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memory/1292-128-0x0000000000500000-0x0000000000504000-memory.dmpFilesize
16KB
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memory/1292-129-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1388-132-0x0000000000000000-mapping.dmp
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memory/1400-125-0x0000000000000000-mapping.dmp
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memory/1668-126-0x0000000000000000-mapping.dmp
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memory/1780-127-0x0000000000000000-mapping.dmp
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memory/3808-133-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB