Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
03-08-2024 19:25
Static task
static1
Behavioral task
behavioral1
Sample
Loader V2.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Loader V2.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Loader V2.exe
Resource
win11-20240802-en
General
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Target
Loader V2.exe
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Size
8.1MB
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MD5
70a8a700260d1bf5d40214b4d16f2a4d
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SHA1
888afda0f542f857c3627845abb17320c79348a3
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SHA256
14430e71914c83f8d1de8e66caa39d07ab782efb662245fb9eff6aa9fca7ce87
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SHA512
8d139e071d25106a30b3b00350fe08558bdaf884d039492611d90afd30c11ff08643560dc75ffaf7dafc0c53a96cf2b446239faf2fd8df9d0895d25b746d5d83
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SSDEEP
196608:X7fP69w9dHnln76gtmUd74JVCbkQqeDDFloLRj/UVn5HIL6qG:Nvnln7RmUuJVuk0DDFWJCnVGs
Malware Config
Extracted
xworm
147.185.221.20:13908
147.185.221.16:60401
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Install_directory
%AppData%
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install_file
svhost.exe
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telegram
https://api.telegram.org/bot7220907212:AAEOc5N7cpqGUVVvnWrzGHm8mdOrYN2e9mc/sendMessage?chat_id=6987872630
Extracted
44caliber
https://discord.com/api/webhooks/1267250103538810911/_8BMipnmgDV4n-Uu_YmzeHrxrFFQPSAoBBDlwlDVhsDsk_31uQMADxZw-pq563wCO5KV
Signatures
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Detect Xworm Payload 4 IoCs
resource yara_rule behavioral1/files/0x000800000001ac45-10.dat family_xworm behavioral1/memory/236-13-0x0000000000060000-0x00000000000A2000-memory.dmp family_xworm behavioral1/files/0x000700000001ac49-21.dat family_xworm behavioral1/memory/4040-33-0x0000000000840000-0x0000000000856000-memory.dmp family_xworm -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4952 powershell.exe 5004 powershell.exe 4668 powershell.exe 2116 powershell.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk injectdll.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk injectdll.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk loaderr.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk loaderr.exe -
Executes dropped EXE 8 IoCs
pid Process 4900 Loader.exe 236 injectdll.exe 4040 loaderr.exe 1528 fixer.exe 4580 svhost.exe 3656 svchost.exe 4220 svhost.exe 5092 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.exe Set value (str) \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\svchost.exe" loaderr.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 ip-api.com 1 freegeoip.app 2 freegeoip.app -
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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 fixer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier fixer.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1180 schtasks.exe 4972 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 1528 fixer.exe 1528 fixer.exe 1528 fixer.exe 1528 fixer.exe 4952 powershell.exe 4952 powershell.exe 4952 powershell.exe 236 injectdll.exe 5004 powershell.exe 5004 powershell.exe 5004 powershell.exe 4668 powershell.exe 4668 powershell.exe 4668 powershell.exe 2116 powershell.exe 2116 powershell.exe 2116 powershell.exe 4040 loaderr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 236 injectdll.exe Token: SeDebugPrivilege 1528 fixer.exe Token: SeDebugPrivilege 4040 loaderr.exe Token: SeDebugPrivilege 4952 powershell.exe Token: SeIncreaseQuotaPrivilege 4952 powershell.exe Token: SeSecurityPrivilege 4952 powershell.exe Token: SeTakeOwnershipPrivilege 4952 powershell.exe Token: SeLoadDriverPrivilege 4952 powershell.exe Token: SeSystemProfilePrivilege 4952 powershell.exe Token: SeSystemtimePrivilege 4952 powershell.exe Token: SeProfSingleProcessPrivilege 4952 powershell.exe Token: SeIncBasePriorityPrivilege 4952 powershell.exe Token: SeCreatePagefilePrivilege 4952 powershell.exe Token: SeBackupPrivilege 4952 powershell.exe Token: SeRestorePrivilege 4952 powershell.exe Token: SeShutdownPrivilege 4952 powershell.exe Token: SeDebugPrivilege 4952 powershell.exe Token: SeSystemEnvironmentPrivilege 4952 powershell.exe Token: SeRemoteShutdownPrivilege 4952 powershell.exe Token: SeUndockPrivilege 4952 powershell.exe Token: SeManageVolumePrivilege 4952 powershell.exe Token: 33 4952 powershell.exe Token: 34 4952 powershell.exe Token: 35 4952 powershell.exe Token: 36 4952 powershell.exe Token: SeDebugPrivilege 236 injectdll.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeIncreaseQuotaPrivilege 5004 powershell.exe Token: SeSecurityPrivilege 5004 powershell.exe Token: SeTakeOwnershipPrivilege 5004 powershell.exe Token: SeLoadDriverPrivilege 5004 powershell.exe Token: SeSystemProfilePrivilege 5004 powershell.exe Token: SeSystemtimePrivilege 5004 powershell.exe Token: SeProfSingleProcessPrivilege 5004 powershell.exe Token: SeIncBasePriorityPrivilege 5004 powershell.exe Token: SeCreatePagefilePrivilege 5004 powershell.exe Token: SeBackupPrivilege 5004 powershell.exe Token: SeRestorePrivilege 5004 powershell.exe Token: SeShutdownPrivilege 5004 powershell.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeSystemEnvironmentPrivilege 5004 powershell.exe Token: SeRemoteShutdownPrivilege 5004 powershell.exe Token: SeUndockPrivilege 5004 powershell.exe Token: SeManageVolumePrivilege 5004 powershell.exe Token: 33 5004 powershell.exe Token: 34 5004 powershell.exe Token: 35 5004 powershell.exe Token: 36 5004 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeIncreaseQuotaPrivilege 4668 powershell.exe Token: SeSecurityPrivilege 4668 powershell.exe Token: SeTakeOwnershipPrivilege 4668 powershell.exe Token: SeLoadDriverPrivilege 4668 powershell.exe Token: SeSystemProfilePrivilege 4668 powershell.exe Token: SeSystemtimePrivilege 4668 powershell.exe Token: SeProfSingleProcessPrivilege 4668 powershell.exe Token: SeIncBasePriorityPrivilege 4668 powershell.exe Token: SeCreatePagefilePrivilege 4668 powershell.exe Token: SeBackupPrivilege 4668 powershell.exe Token: SeRestorePrivilege 4668 powershell.exe Token: SeShutdownPrivilege 4668 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeSystemEnvironmentPrivilege 4668 powershell.exe Token: SeRemoteShutdownPrivilege 4668 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 236 injectdll.exe 4040 loaderr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4948 wrote to memory of 4900 4948 Loader V2.exe 73 PID 4948 wrote to memory of 4900 4948 Loader V2.exe 73 PID 4948 wrote to memory of 236 4948 Loader V2.exe 74 PID 4948 wrote to memory of 236 4948 Loader V2.exe 74 PID 4900 wrote to memory of 4040 4900 Loader.exe 75 PID 4900 wrote to memory of 4040 4900 Loader.exe 75 PID 4900 wrote to memory of 1528 4900 Loader.exe 76 PID 4900 wrote to memory of 1528 4900 Loader.exe 76 PID 4040 wrote to memory of 4952 4040 loaderr.exe 78 PID 4040 wrote to memory of 4952 4040 loaderr.exe 78 PID 236 wrote to memory of 1180 236 injectdll.exe 80 PID 236 wrote to memory of 1180 236 injectdll.exe 80 PID 4040 wrote to memory of 5004 4040 loaderr.exe 83 PID 4040 wrote to memory of 5004 4040 loaderr.exe 83 PID 4040 wrote to memory of 4668 4040 loaderr.exe 85 PID 4040 wrote to memory of 4668 4040 loaderr.exe 85 PID 4040 wrote to memory of 2116 4040 loaderr.exe 87 PID 4040 wrote to memory of 2116 4040 loaderr.exe 87 PID 4040 wrote to memory of 4972 4040 loaderr.exe 90 PID 4040 wrote to memory of 4972 4040 loaderr.exe 90 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Loader V2.exe"C:\Users\Admin\AppData\Local\Temp\Loader V2.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Users\Admin\AppData\Local\Temp\loaderr.exe"C:\Users\Admin\AppData\Local\Temp\loaderr.exe"3⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\loaderr.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4952
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'loaderr.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5004
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\svchost.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:2116
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\svchost.exe"4⤵
- Scheduled Task/Job: Scheduled Task
PID:4972
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C:\Users\Admin\AppData\Local\Temp\fixer.exe"C:\Users\Admin\AppData\Local\Temp\fixer.exe"3⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528
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C:\Users\Admin\AppData\Roaming\injectdll.exe"C:\Users\Admin\AppData\Roaming\injectdll.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:236 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svhost" /tr "C:\Users\Admin\AppData\Roaming\svhost.exe"3⤵
- Scheduled Task/Job: Scheduled Task
PID:1180
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:4580
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:3656
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:4220
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
PID:5092
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58797f9b72e0c550ae9347e6448f81808
SHA1fc71763962e6e0b57f12c0ba7a36521c660521c7
SHA256293e5b4bd5015cd4a335710d12e06e26f5cd0b74bfd381802a99359b428af1a4
SHA512f9012307a7665cd2d4ef0589071500ea87cd5d93cb6f20cae5cb380259507f7c276c4f40f210857f95533c881215ee4b2bc404e4e4f1ff4ea42745a68ca2a122
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Filesize
734B
MD57b0e1b31ffd1e4030d1a63ec4207739a
SHA1ce9df264fc4e4c2403f5ab9423c2f8897d1cf148
SHA256a5b8182c6f47bfd142cd78287df98d0a846236efaa290d741fb172e129cb7341
SHA512792bf1ebaad380195a3eb3563147e291af7f57ecffe314bb1949a0da7b25ecea07343e45ca691ae1246b0861d5136cd53448ca2eb4026b91366b8fdc9ca03aad
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Filesize
3KB
MD58592ba100a78835a6b94d5949e13dfc1
SHA163e901200ab9a57c7dd4c078d7f75dcd3b357020
SHA256fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c
SHA51287f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3
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Filesize
654B
MD516c5fce5f7230eea11598ec11ed42862
SHA175392d4824706090f5e8907eee1059349c927600
SHA25687ba77c13905298acbac72be90949c4fe0755b6eff9777615aa37f252515f151
SHA512153edd6da59beea6cc411ed7383c32916425d6ebb65f04c65aab7c1d6b25443d143aa8449aa92149de0ad8a975f6ecaa60f9f7574536eec6b38fe5fd3a6c6adc
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Filesize
1KB
MD5cab7a462c34dfde0edbcedbd5413bd9a
SHA1ac956e58323eacb483e7886512c232c106dd406d
SHA256ebc364db4f7b759e1c15ee442e83ee1448b1b43971ddf505595fdef0eaded630
SHA512699f13ddc04ea4eae0270b9de4b122b9457a683e60e83db20a00c59c552bd885a9590e84c01956270840a996fff26ac589a71bf3125fdb6468559a56c61c86d9
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Filesize
1KB
MD5657c39fdc1e44746cfc03dce1d3cefb2
SHA19fd4b8fea904747e3cecd162fbb1d7fc9692597c
SHA25689e812970ab7ddffc2b9a0d9a80518fb61b83557896e54c271689bca71b54e7d
SHA51257627550ca28d1ba4d0eb72fcbe4422033a62b0a10f155d7cbcdaed11a02bae30931b423e1f2ed92aa80d23263d5e961c0fc02a59011ed1acd1bf0537b161cdb
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Filesize
1KB
MD5fef198edd0b8786acb0c66112d282811
SHA1d1fae69c324118d4b437055da2968a9677733781
SHA256afa2d89d18d9ff3894ececc836929ba6f27592fc85ffc7b6a404d3751af9cf84
SHA51260fce788faf89220e3e340a14b417c71705a9561e0784a607b05f7342f44858121bb07b8485063dfc3bf16d21e858582db33bbc62f20535e7f9fa5d70da1a362
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
274KB
MD588505913c2c75f796c9a021aab2d356d
SHA15b5c06998d3e200c21c77ea4efaeaecdc7344e78
SHA25662e414e990e80c8203955b0e32948ddc64903b80a462c339f1babfb03e641204
SHA5126fa46be04c2693ea164fe52ddf3cca0bdafd1ab34d8c0f1c2bf3d361c6042f45375343f59e9474ded6718f8177a4f7eb19fddccd95f7fbb87aad12358b2d6905
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Filesize
65KB
MD595f8f28f5a8503461db6804cda9c4934
SHA181c0a30e498093d41948777135bbd407c7611cda
SHA256aa40b9b929868482be1daae474d7c93426cd049f844c956865709ff8b7f240c2
SHA5125c3460372a6640a98dd1b1d34a03b951ec4a8942e9065475e982a207881f290aedc3b51fe73c0da4c527e222addd1de2be7ba541e82287e43e16fc544ab34461
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Filesize
7.6MB
MD5aa16f3774491b600121545a5f194cefc
SHA1c872fe765ecff1dada8378ad8a12cd5cf0425219
SHA256c0a2b824a0fd05854818bfb81b02bc6178db3f8519807b15d844580099428e1d
SHA5128b50e7c6eca25ecc2196fbfaf42079873e3c532a90e8d8b691fb594da3e067593f86f0d6488d0c314a27d78519f33fcbfb4532f811997891d55a47d582e1b3a8
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Filesize
244KB
MD574ffb0d60d647dd6ad8d00c1bee48011
SHA14c8a707a33b35b78f374c66d59f9c2314c20b25f
SHA256b481f1e0cfe25e5f19da0a0333c78661bf5c75c0b1c616ff4aaaa07aed31efd1
SHA512fc667f4560d6b19a9a4f37eb0e66c751eb348ffc0db69c7d0bd733dfd2df2dfdadc7b780cd93686350444cc14a54283bafe3afec611bcac3ad0239eda659f46c