Analysis
-
max time kernel
155s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
19-02-2022 20:09
Static task
static1
Behavioral task
behavioral1
Sample
7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe
Resource
win10v2004-en-20220113
General
-
Target
7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe
-
Size
70KB
-
MD5
7bd2621b6c55484cee2f8ee12ebed110
-
SHA1
9765bee7f6e085b209a9a9f46f997f1f3a8351ff
-
SHA256
7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574
-
SHA512
82b833f4599d44548ade3ff69008c49a8608776eb5bca328e09f00aa6a21b47748ce9a38c08b9ba6c354df23b470aeb34bcff0e52e210ebf30041f6f590ba8ab
Malware Config
Signatures
-
Upatre
Upatre is a generic malware downloader.
-
Executes dropped EXE 1 IoCs
Processes:
szgfw.exepid process 2872 szgfw.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe -
Drops file in Windows directory 6 IoCs
Processes:
svchost.exedescription ioc process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
svchost.exedescription pid process Token: SeShutdownPrivilege 4764 svchost.exe Token: SeCreatePagefilePrivilege 4764 svchost.exe Token: SeShutdownPrivilege 4764 svchost.exe Token: SeCreatePagefilePrivilege 4764 svchost.exe Token: SeShutdownPrivilege 4764 svchost.exe Token: SeCreatePagefilePrivilege 4764 svchost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exedescription pid process target process PID 4636 wrote to memory of 2872 4636 7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe szgfw.exe PID 4636 wrote to memory of 2872 4636 7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe szgfw.exe PID 4636 wrote to memory of 2872 4636 7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe szgfw.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe"C:\Users\Admin\AppData\Local\Temp\7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
5a62f934dd140e8b807078a396247a82
SHA12f367f015ddc9eaeb60db6f6950442a28812a2de
SHA2569b95e252be6b959112e5d4a7bf395bd460277322c46ba79ce72d61e305d28608
SHA5127f7cca7b5573a2ad6de3178fe8534a7f0e1e8d8926610ddef8cd8dd2f4cd87e1cc71941e54560cd8261b0a97445312a05aa72dbd5bdc8065e9a078252e8f02bd
-
C:\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
5a62f934dd140e8b807078a396247a82
SHA12f367f015ddc9eaeb60db6f6950442a28812a2de
SHA2569b95e252be6b959112e5d4a7bf395bd460277322c46ba79ce72d61e305d28608
SHA5127f7cca7b5573a2ad6de3178fe8534a7f0e1e8d8926610ddef8cd8dd2f4cd87e1cc71941e54560cd8261b0a97445312a05aa72dbd5bdc8065e9a078252e8f02bd
-
memory/4636-133-0x0000000000590000-0x0000000000591000-memory.dmpFilesize
4KB
-
memory/4764-134-0x0000021CD3520000-0x0000021CD3530000-memory.dmpFilesize
64KB
-
memory/4764-135-0x0000021CD3740000-0x0000021CD3750000-memory.dmpFilesize
64KB
-
memory/4764-138-0x0000021CD5C40000-0x0000021CD5C44000-memory.dmpFilesize
16KB