Analysis
-
max time kernel
150s -
max time network
165s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 05:40
Static task
static1
Behavioral task
behavioral1
Sample
fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe
Resource
win10v2004-20220812-en
General
-
Target
fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe
-
Size
143KB
-
MD5
c3a4ab24763bd70ca6bb5054c8dca536
-
SHA1
1399e5598ebc5604c32840811e5c1d449a9e5e35
-
SHA256
fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b
-
SHA512
8241469a8f31cb817baf4b853ac11c3aa87455cfaf42f3595e684267c38a53d63b8acb331ffbdb6f1bb6b49ea461b2e24dfa0a513d882050d528d87b4fb5b533
-
SSDEEP
3072:vhT2137DYmJS6miZtt9uds8NSaqJAyvpVBLOHbQ80CYaxLspZ/:vhRD6JZrr8cjp7LOHb3TxAT
Malware Config
Signatures
-
Gh0st RAT payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/856-68-0x0000000000400000-0x0000000000430000-memory.dmp family_gh0strat \??\c:\windows\SysWOW64\syvyp.ref family_gh0strat \Windows\SysWOW64\syvyp.ref family_gh0strat behavioral1/memory/856-72-0x0000000000400000-0x0000000000430000-memory.dmp family_gh0strat behavioral1/memory/1204-77-0x0000000010000000-0x0000000010028000-memory.dmp family_gh0strat behavioral1/memory/1204-79-0x0000000010000000-0x0000000010028000-memory.dmp family_gh0strat -
Executes dropped EXE 2 IoCs
Processes:
minimum.exe729.exepid process 1208 minimum.exe 856 729.exe -
Sets DLL path for service in the registry 2 TTPs 2 IoCs
Processes:
svchost.exe729.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\syvyp.ref" svchost.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\syvyp.ref" 729.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k netsvcs" svchost.exe -
Processes:
resource yara_rule C:\minimum.exe upx C:\minimum.exe upx behavioral1/memory/1208-67-0x0000000000400000-0x000000000041C000-memory.dmp upx behavioral1/memory/1208-76-0x0000000000400000-0x000000000041C000-memory.dmp upx -
Loads dropped DLL 1 IoCs
Processes:
svchost.exepid process 1204 svchost.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
svchost.exedescription ioc process File opened for modification \??\PhysicalDrive0 svchost.exe -
Drops file in System32 directory 2 IoCs
Processes:
729.exedescription ioc process File opened for modification C:\Windows\SysWOW64\d2f5ca0e.del 729.exe File opened for modification C:\Windows\SysWOW64\syvyp.ref 729.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe -
Modifies data under HKEY_USERS 6 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
729.exesvchost.exepid process 856 729.exe 1204 svchost.exe 1204 svchost.exe 1204 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
minimum.exepid process 1208 minimum.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
svchost.exedescription pid process Token: SeBackupPrivilege 1204 svchost.exe Token: SeSecurityPrivilege 1204 svchost.exe Token: SeSecurityPrivilege 1204 svchost.exe Token: SeBackupPrivilege 1204 svchost.exe Token: SeSecurityPrivilege 1204 svchost.exe Token: SeBackupPrivilege 1204 svchost.exe Token: SeSecurityPrivilege 1204 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
minimum.exepid process 1208 minimum.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exedescription pid process target process PID 1756 wrote to memory of 1208 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe minimum.exe PID 1756 wrote to memory of 1208 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe minimum.exe PID 1756 wrote to memory of 1208 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe minimum.exe PID 1756 wrote to memory of 1208 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe minimum.exe PID 1756 wrote to memory of 1208 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe minimum.exe PID 1756 wrote to memory of 1208 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe minimum.exe PID 1756 wrote to memory of 1208 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe minimum.exe PID 1756 wrote to memory of 856 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe 729.exe PID 1756 wrote to memory of 856 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe 729.exe PID 1756 wrote to memory of 856 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe 729.exe PID 1756 wrote to memory of 856 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe 729.exe PID 1756 wrote to memory of 856 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe 729.exe PID 1756 wrote to memory of 856 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe 729.exe PID 1756 wrote to memory of 856 1756 fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe 729.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe"C:\Users\Admin\AppData\Local\Temp\fa5e4b6e74a18ed58d98b3662e239e49d606984025ae042deeff385abd46f40b.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\minimum.exe"C:\minimum.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
C:\729.exe"C:\729.exe"2⤵
- Executes dropped EXE
- Sets DLL path for service in the registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs1⤵
- Sets DLL path for service in the registry
- Sets service image path in registry
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\729.exeFilesize
188KB
MD55fe9c6876e8913837a4c0e8b6ea7cbad
SHA1cc1cfb0a06358036673db4c3247f71af5534a88c
SHA256e6acbcd5e4c63a37e993972456275a432a6facb5668b981a117df83e9b9caadd
SHA512971f279ebcee863a5164591c95c442d128f5d63fd14177080f787fd56c62abe50336b445ad5358fffe7158078cb7ac99c25f09b0d842d0e8dd3eb0c093a56812
-
C:\729.exeFilesize
188KB
MD55fe9c6876e8913837a4c0e8b6ea7cbad
SHA1cc1cfb0a06358036673db4c3247f71af5534a88c
SHA256e6acbcd5e4c63a37e993972456275a432a6facb5668b981a117df83e9b9caadd
SHA512971f279ebcee863a5164591c95c442d128f5d63fd14177080f787fd56c62abe50336b445ad5358fffe7158078cb7ac99c25f09b0d842d0e8dd3eb0c093a56812
-
C:\minimum.exeFilesize
32KB
MD50783590053f4539920934532ee95e96c
SHA1593c9a769077a8dbae293e5f4b88b39a23b7e537
SHA25618417364f8926f85445e8211146c1b7ee06245a15d8680dc1a517423456d4486
SHA512efc739efdff553cecf7679e26e7c6b21d451f47885ac0d291699da88dce1d12fcc380cce476606842b4d332fd57c24176e80b05356e938aaff9b4b5cd4e97c3d
-
C:\minimum.exeFilesize
32KB
MD50783590053f4539920934532ee95e96c
SHA1593c9a769077a8dbae293e5f4b88b39a23b7e537
SHA25618417364f8926f85445e8211146c1b7ee06245a15d8680dc1a517423456d4486
SHA512efc739efdff553cecf7679e26e7c6b21d451f47885ac0d291699da88dce1d12fcc380cce476606842b4d332fd57c24176e80b05356e938aaff9b4b5cd4e97c3d
-
\??\c:\windows\SysWOW64\syvyp.refFilesize
153KB
MD5e7f9a633fc9a1a95866233bf13ac1175
SHA14f1d5afcef3fa3777e05b0130ebcab21ad761e24
SHA25689a98634325a95d234a0c5e82bece9821f7c6dbb8c14999e53d9de4013631b45
SHA512f1c4b3d90ca7f887902243995eef9df77f5f6de78ab89b30c759a8a5debe74b601c65047d5a380b267ca96d7164e912a56781f8dad396f3b77ff5d1ce1a3063e
-
\Windows\SysWOW64\syvyp.refFilesize
153KB
MD5e7f9a633fc9a1a95866233bf13ac1175
SHA14f1d5afcef3fa3777e05b0130ebcab21ad761e24
SHA25689a98634325a95d234a0c5e82bece9821f7c6dbb8c14999e53d9de4013631b45
SHA512f1c4b3d90ca7f887902243995eef9df77f5f6de78ab89b30c759a8a5debe74b601c65047d5a380b267ca96d7164e912a56781f8dad396f3b77ff5d1ce1a3063e
-
memory/856-68-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/856-73-0x0000000000230000-0x000000000023D000-memory.dmpFilesize
52KB
-
memory/856-72-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/856-69-0x0000000000230000-0x0000000000260000-memory.dmpFilesize
192KB
-
memory/856-57-0x0000000000000000-mapping.dmp
-
memory/1204-79-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB
-
memory/1204-77-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB
-
memory/1208-74-0x0000000000020000-0x000000000003C000-memory.dmpFilesize
112KB
-
memory/1208-55-0x0000000000000000-mapping.dmp
-
memory/1208-65-0x0000000000020000-0x000000000003C000-memory.dmpFilesize
112KB
-
memory/1208-67-0x0000000000400000-0x000000000041C000-memory.dmpFilesize
112KB
-
memory/1208-76-0x0000000000400000-0x000000000041C000-memory.dmpFilesize
112KB
-
memory/1208-75-0x0000000000020000-0x000000000003C000-memory.dmpFilesize
112KB
-
memory/1208-66-0x0000000000020000-0x000000000003C000-memory.dmpFilesize
112KB
-
memory/1756-54-0x0000000075F51000-0x0000000075F53000-memory.dmpFilesize
8KB