Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
26-09-2021 16:10
Static task
static1
Behavioral task
behavioral1
Sample
a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe
Resource
win10-en-20210920
General
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Target
a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe
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Size
423KB
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MD5
1052e6c1aca3436429645b95e4ad56bb
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SHA1
7e9cb46559fab8d3cd92ed30fdde8d4b0453b141
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SHA256
a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33
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SHA512
357dc65eb00bb080d0eef4f1ba1fd8e7e984b9f1a71dd3f8bb7509478b2c48cae044edcf62da36681a8b73c0cbdfda824698f8823b7bc71ee99633dd6cbab24c
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:
6S3LEDN6fL.exesihost.exepid process 3940 6S3LEDN6fL.exe 1168 sihost.exe -
Loads dropped DLL 6 IoCs
Processes:
a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exepid process 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.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 1292 schtasks.exe 1264 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 508 timeout.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.execmd.exe6S3LEDN6fL.exesihost.exedescription pid process target process PID 2412 wrote to memory of 3940 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe 6S3LEDN6fL.exe PID 2412 wrote to memory of 3940 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe 6S3LEDN6fL.exe PID 2412 wrote to memory of 3940 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe 6S3LEDN6fL.exe PID 2412 wrote to memory of 3364 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe cmd.exe PID 2412 wrote to memory of 3364 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe cmd.exe PID 2412 wrote to memory of 3364 2412 a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe cmd.exe PID 3364 wrote to memory of 508 3364 cmd.exe timeout.exe PID 3364 wrote to memory of 508 3364 cmd.exe timeout.exe PID 3364 wrote to memory of 508 3364 cmd.exe timeout.exe PID 3940 wrote to memory of 1292 3940 6S3LEDN6fL.exe schtasks.exe PID 3940 wrote to memory of 1292 3940 6S3LEDN6fL.exe schtasks.exe PID 3940 wrote to memory of 1292 3940 6S3LEDN6fL.exe schtasks.exe PID 1168 wrote to memory of 1264 1168 sihost.exe schtasks.exe PID 1168 wrote to memory of 1264 1168 sihost.exe schtasks.exe PID 1168 wrote to memory of 1264 1168 sihost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe"C:\Users\Admin\AppData\Local\Temp\a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6S3LEDN6fL.exe"C:\Users\Admin\AppData\Local\Temp\6S3LEDN6fL.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\a6fd5456fcd9d23bebc37c813f0208c7187a9e39263c197b3faae0d56ee60c33.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\6S3LEDN6fL.exeMD5
104429ced5322718ca29600124a39004
SHA14c2cf6ccea715eaeb55568377943fc9cd6444bd1
SHA2561ebe02f097ac3d553a3d028ccf8bca423b71ca74891af4651fb076717f7e2ada
SHA51265b7ef0fbde5119957b3ad6c7e4d41e1a4734c7d8b06887f311ae0e89d9a4e0a8a06df3280498edf4f722aa2f25e4127496ec542020e0e7254d3d3d6997b26ae
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C:\Users\Admin\AppData\Local\Temp\6S3LEDN6fL.exeMD5
104429ced5322718ca29600124a39004
SHA14c2cf6ccea715eaeb55568377943fc9cd6444bd1
SHA2561ebe02f097ac3d553a3d028ccf8bca423b71ca74891af4651fb076717f7e2ada
SHA51265b7ef0fbde5119957b3ad6c7e4d41e1a4734c7d8b06887f311ae0e89d9a4e0a8a06df3280498edf4f722aa2f25e4127496ec542020e0e7254d3d3d6997b26ae
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeMD5
104429ced5322718ca29600124a39004
SHA14c2cf6ccea715eaeb55568377943fc9cd6444bd1
SHA2561ebe02f097ac3d553a3d028ccf8bca423b71ca74891af4651fb076717f7e2ada
SHA51265b7ef0fbde5119957b3ad6c7e4d41e1a4734c7d8b06887f311ae0e89d9a4e0a8a06df3280498edf4f722aa2f25e4127496ec542020e0e7254d3d3d6997b26ae
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeMD5
104429ced5322718ca29600124a39004
SHA14c2cf6ccea715eaeb55568377943fc9cd6444bd1
SHA2561ebe02f097ac3d553a3d028ccf8bca423b71ca74891af4651fb076717f7e2ada
SHA51265b7ef0fbde5119957b3ad6c7e4d41e1a4734c7d8b06887f311ae0e89d9a4e0a8a06df3280498edf4f722aa2f25e4127496ec542020e0e7254d3d3d6997b26ae
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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/508-127-0x0000000000000000-mapping.dmp
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memory/1168-135-0x0000000000400000-0x00000000004A7000-memory.dmpFilesize
668KB
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memory/1168-134-0x0000000000510000-0x000000000065A000-memory.dmpFilesize
1.3MB
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memory/1264-133-0x0000000000000000-mapping.dmp
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memory/1292-128-0x0000000000000000-mapping.dmp
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memory/2412-115-0x0000000002240000-0x00000000022D0000-memory.dmpFilesize
576KB
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memory/2412-116-0x0000000000400000-0x00000000004F1000-memory.dmpFilesize
964KB
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memory/3364-125-0x0000000000000000-mapping.dmp
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memory/3940-123-0x0000000000000000-mapping.dmp
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memory/3940-130-0x0000000000400000-0x00000000004A7000-memory.dmpFilesize
668KB
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memory/3940-129-0x00000000004B0000-0x00000000005FA000-memory.dmpFilesize
1.3MB