Analysis
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max time kernel
154s -
max time network
161s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
01-10-2021 11:12
Static task
static1
Behavioral task
behavioral1
Sample
d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe
Resource
win10-en-20210920
General
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Target
d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe
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Size
567KB
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MD5
441491c04afd3e5cbc13e8fe46acc945
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SHA1
fa809275e44448e2f3b7af9e5ae6e3f9a80fd647
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SHA256
d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35
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SHA512
f639573acdede0bc8d158523a0561c238eba0bd14b124a5c981ffa9bb63fe89b215e66f39a9e654733e75bc8b3e3e55103d36aed3960d98cfc9f32c27af70051
Malware Config
Extracted
raccoon
f6d7183c9e82d2a9b81e6c0608450aa66cefb51f
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url4cnc
https://t.me/justoprostohello
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
tfyUntDnJO.exesihost.exepid process 2732 tfyUntDnJO.exe 1272 sihost.exe -
Loads dropped DLL 6 IoCs
Processes:
d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exepid process 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.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 1192 schtasks.exe 1388 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2644 timeout.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.execmd.exetfyUntDnJO.exesihost.exedescription pid process target process PID 2664 wrote to memory of 2732 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe tfyUntDnJO.exe PID 2664 wrote to memory of 2732 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe tfyUntDnJO.exe PID 2664 wrote to memory of 2732 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe tfyUntDnJO.exe PID 2664 wrote to memory of 3984 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe cmd.exe PID 2664 wrote to memory of 3984 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe cmd.exe PID 2664 wrote to memory of 3984 2664 d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe cmd.exe PID 3984 wrote to memory of 2644 3984 cmd.exe timeout.exe PID 3984 wrote to memory of 2644 3984 cmd.exe timeout.exe PID 3984 wrote to memory of 2644 3984 cmd.exe timeout.exe PID 2732 wrote to memory of 1192 2732 tfyUntDnJO.exe schtasks.exe PID 2732 wrote to memory of 1192 2732 tfyUntDnJO.exe schtasks.exe PID 2732 wrote to memory of 1192 2732 tfyUntDnJO.exe schtasks.exe PID 1272 wrote to memory of 1388 1272 sihost.exe schtasks.exe PID 1272 wrote to memory of 1388 1272 sihost.exe schtasks.exe PID 1272 wrote to memory of 1388 1272 sihost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe"C:\Users\Admin\AppData\Local\Temp\d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tfyUntDnJO.exe"C:\Users\Admin\AppData\Local\Temp\tfyUntDnJO.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\d8dfa25267fb49dce33a59ca96eb25faf466d0a1842b3f71ff929b3cf1996e35.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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tfyUntDnJO.exeMD5
390953680154dc9712a5e003f8df6edf
SHA1247f87a64d7ef61886486eed34c3a59a64607de4
SHA256ff50860d60ce1dd5bf607b875f65e801b1be75f2a69cb3179ec7d4af66790d90
SHA512d7aec0f0e943687dfe391f01de2f558dcabb58a380c705708b098a8eb5686ef263f434ecd307d71c5eb236934ca3f3589e4cd98bee4de77c4cf07ce905a01a8d
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C:\Users\Admin\AppData\Local\Temp\tfyUntDnJO.exeMD5
390953680154dc9712a5e003f8df6edf
SHA1247f87a64d7ef61886486eed34c3a59a64607de4
SHA256ff50860d60ce1dd5bf607b875f65e801b1be75f2a69cb3179ec7d4af66790d90
SHA512d7aec0f0e943687dfe391f01de2f558dcabb58a380c705708b098a8eb5686ef263f434ecd307d71c5eb236934ca3f3589e4cd98bee4de77c4cf07ce905a01a8d
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeMD5
390953680154dc9712a5e003f8df6edf
SHA1247f87a64d7ef61886486eed34c3a59a64607de4
SHA256ff50860d60ce1dd5bf607b875f65e801b1be75f2a69cb3179ec7d4af66790d90
SHA512d7aec0f0e943687dfe391f01de2f558dcabb58a380c705708b098a8eb5686ef263f434ecd307d71c5eb236934ca3f3589e4cd98bee4de77c4cf07ce905a01a8d
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeMD5
390953680154dc9712a5e003f8df6edf
SHA1247f87a64d7ef61886486eed34c3a59a64607de4
SHA256ff50860d60ce1dd5bf607b875f65e801b1be75f2a69cb3179ec7d4af66790d90
SHA512d7aec0f0e943687dfe391f01de2f558dcabb58a380c705708b098a8eb5686ef263f434ecd307d71c5eb236934ca3f3589e4cd98bee4de77c4cf07ce905a01a8d
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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/1192-129-0x0000000000000000-mapping.dmp
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memory/1272-135-0x0000000000400000-0x0000000000451000-memory.dmpFilesize
324KB
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memory/1388-134-0x0000000000000000-mapping.dmp
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memory/2644-128-0x0000000000000000-mapping.dmp
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memory/2664-116-0x0000000000520000-0x00000000005CE000-memory.dmpFilesize
696KB
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memory/2664-117-0x0000000000400000-0x000000000049B000-memory.dmpFilesize
620KB
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memory/2732-124-0x0000000000000000-mapping.dmp
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memory/2732-131-0x0000000000400000-0x0000000000451000-memory.dmpFilesize
324KB
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memory/2732-130-0x0000000000030000-0x0000000000034000-memory.dmpFilesize
16KB
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memory/3984-127-0x0000000000000000-mapping.dmp