Analysis
-
max time kernel
136s -
max time network
137s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
01-10-2021 08:17
Static task
static1
Behavioral task
behavioral1
Sample
e54a585f8f4a3274802213ce217046ff.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
e54a585f8f4a3274802213ce217046ff.exe
Resource
win10-en-20210920
General
-
Target
e54a585f8f4a3274802213ce217046ff.exe
-
Size
555KB
-
MD5
e54a585f8f4a3274802213ce217046ff
-
SHA1
74d9f661f249e37364264d56c8563e2f7a16f953
-
SHA256
52034ff2764460d5cfb05b45b47d75fbb87c669814509f0699f02dafd869d871
-
SHA512
d8fbd68601dcff1dc0a347c862c3e6ef5d71e168a5c1cfd3c89e53c184ecafebbf35e0df208bfd21486b53bd56af28105bbcc74f9b57b8e5bd358e2f7418f39a
Malware Config
Extracted
raccoon
f6d7183c9e82d2a9b81e6c0608450aa66cefb51f
-
url4cnc
https://t.me/justoprostohello
Signatures
-
Downloads MZ/PE file
-
Executes dropped EXE 2 IoCs
Processes:
LKmArvE428.exesihost.exepid process 296 LKmArvE428.exe 1200 sihost.exe -
Loads dropped DLL 6 IoCs
Processes:
e54a585f8f4a3274802213ce217046ff.exepid process 2176 e54a585f8f4a3274802213ce217046ff.exe 2176 e54a585f8f4a3274802213ce217046ff.exe 2176 e54a585f8f4a3274802213ce217046ff.exe 2176 e54a585f8f4a3274802213ce217046ff.exe 2176 e54a585f8f4a3274802213ce217046ff.exe 2176 e54a585f8f4a3274802213ce217046ff.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.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4080 timeout.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
e54a585f8f4a3274802213ce217046ff.execmd.exeLKmArvE428.exesihost.exedescription pid process target process PID 2176 wrote to memory of 296 2176 e54a585f8f4a3274802213ce217046ff.exe LKmArvE428.exe PID 2176 wrote to memory of 296 2176 e54a585f8f4a3274802213ce217046ff.exe LKmArvE428.exe PID 2176 wrote to memory of 296 2176 e54a585f8f4a3274802213ce217046ff.exe LKmArvE428.exe PID 2176 wrote to memory of 2632 2176 e54a585f8f4a3274802213ce217046ff.exe cmd.exe PID 2176 wrote to memory of 2632 2176 e54a585f8f4a3274802213ce217046ff.exe cmd.exe PID 2176 wrote to memory of 2632 2176 e54a585f8f4a3274802213ce217046ff.exe cmd.exe PID 2632 wrote to memory of 4080 2632 cmd.exe timeout.exe PID 2632 wrote to memory of 4080 2632 cmd.exe timeout.exe PID 2632 wrote to memory of 4080 2632 cmd.exe timeout.exe PID 296 wrote to memory of 2332 296 LKmArvE428.exe schtasks.exe PID 296 wrote to memory of 2332 296 LKmArvE428.exe schtasks.exe PID 296 wrote to memory of 2332 296 LKmArvE428.exe schtasks.exe PID 1200 wrote to memory of 944 1200 sihost.exe schtasks.exe PID 1200 wrote to memory of 944 1200 sihost.exe schtasks.exe PID 1200 wrote to memory of 944 1200 sihost.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e54a585f8f4a3274802213ce217046ff.exe"C:\Users\Admin\AppData\Local\Temp\e54a585f8f4a3274802213ce217046ff.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\LKmArvE428.exe"C:\Users\Admin\AppData\Local\Temp\LKmArvE428.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
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)
-
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\e54a585f8f4a3274802213ce217046ff.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
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
-
C:\Users\Admin\AppData\Local\Temp\LKmArvE428.exeMD5
6f94a7fa9af61df4f6d31ee1724bcc0a
SHA188a5cea373ecd62fa3df216dc3e1867e1ec9ca3d
SHA2560dad682d6f7c52bd741d951d044bfcc643aed3f7d5924b944d7dc4a85d7e51a4
SHA51236f791f5a98cea1c4ea5286a605f05de10c15245e63ef9be2f3fffc312c71c5c27e78d7550e26cdcd97be16f5a8e8b4b41a3bffd5e001a35a10294275822e6f7
-
C:\Users\Admin\AppData\Local\Temp\LKmArvE428.exeMD5
6f94a7fa9af61df4f6d31ee1724bcc0a
SHA188a5cea373ecd62fa3df216dc3e1867e1ec9ca3d
SHA2560dad682d6f7c52bd741d951d044bfcc643aed3f7d5924b944d7dc4a85d7e51a4
SHA51236f791f5a98cea1c4ea5286a605f05de10c15245e63ef9be2f3fffc312c71c5c27e78d7550e26cdcd97be16f5a8e8b4b41a3bffd5e001a35a10294275822e6f7
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeMD5
6f94a7fa9af61df4f6d31ee1724bcc0a
SHA188a5cea373ecd62fa3df216dc3e1867e1ec9ca3d
SHA2560dad682d6f7c52bd741d951d044bfcc643aed3f7d5924b944d7dc4a85d7e51a4
SHA51236f791f5a98cea1c4ea5286a605f05de10c15245e63ef9be2f3fffc312c71c5c27e78d7550e26cdcd97be16f5a8e8b4b41a3bffd5e001a35a10294275822e6f7
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exeMD5
6f94a7fa9af61df4f6d31ee1724bcc0a
SHA188a5cea373ecd62fa3df216dc3e1867e1ec9ca3d
SHA2560dad682d6f7c52bd741d951d044bfcc643aed3f7d5924b944d7dc4a85d7e51a4
SHA51236f791f5a98cea1c4ea5286a605f05de10c15245e63ef9be2f3fffc312c71c5c27e78d7550e26cdcd97be16f5a8e8b4b41a3bffd5e001a35a10294275822e6f7
-
\Users\Admin\AppData\LocalLow\sqlite3.dllMD5
f964811b68f9f1487c2b41e1aef576ce
SHA1b423959793f14b1416bc3b7051bed58a1034025f
SHA25683bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7
SHA512565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4
-
\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
-
\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
-
\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\mozglue.dllMD5
eae9273f8cdcf9321c6c37c244773139
SHA18378e2a2f3635574c106eea8419b5eb00b8489b0
SHA256a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc
SHA51206e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097
-
\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\nss3.dllMD5
02cc7b8ee30056d5912de54f1bdfc219
SHA1a6923da95705fb81e368ae48f93d28522ef552fb
SHA2561989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5
SHA5120d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5
-
\Users\Admin\AppData\LocalLow\uS0wV5wY9qH3\softokn3.dllMD5
4e8df049f3459fa94ab6ad387f3561ac
SHA106ed392bc29ad9d5fc05ee254c2625fd65925114
SHA25625a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871
SHA5123dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6
-
memory/296-129-0x0000000000030000-0x0000000000034000-memory.dmpFilesize
16KB
-
memory/296-130-0x0000000000400000-0x000000000044D000-memory.dmpFilesize
308KB
-
memory/296-123-0x0000000000000000-mapping.dmp
-
memory/944-133-0x0000000000000000-mapping.dmp
-
memory/1200-134-0x0000000000400000-0x000000000044D000-memory.dmpFilesize
308KB
-
memory/2176-115-0x0000000000540000-0x000000000068A000-memory.dmpFilesize
1.3MB
-
memory/2176-116-0x0000000000400000-0x0000000000497000-memory.dmpFilesize
604KB
-
memory/2332-128-0x0000000000000000-mapping.dmp
-
memory/2632-125-0x0000000000000000-mapping.dmp
-
memory/4080-127-0x0000000000000000-mapping.dmp