Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system - submitted
02/08/2024, 11:14
Static task
static1
Behavioral task
behavioral1
Sample
Loader V2.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Loader V2.exe
Resource
win10-20240611-en
Behavioral task
behavioral3
Sample
Loader V2.exe
Resource
win10v2004-20240730-en
Behavioral task
behavioral4
Sample
Loader V2.exe
Resource
win11-20240730-en
General
- Target Loader V2.exe
- Size 8.1MB
- Sample240802-nb8q5awbpr
- SHA256 14430e71914c83f8d1de8e66caa39d07ab782efb662245fb9eff6aa9fca7ce87
- MD5 70a8a700260d1bf5d40214b4d16f2a4d
- SHA1 888afda0f542f857c3627845abb17320c79348a3
- SHA512 8d139e071d25106a30b3b00350fe08558bdaf884d039492611d90afd30c11ff08643560dc75ffaf7dafc0c53a96cf2b446239faf2fd8df9d0895d25b746d5d83
- SSDEEP 196608:X7fP69w9dHnln76gtmUd74JVCbkQqeDDFloLRj/UVn5HIL6qG:Nvnln7RmUuJVuk0DDFWJCnVGs
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
xworm
-
147.185.221.20:13908
-
147.185.221.16:60401
-
Install_directory
%AppData%
-
install_file
svhost.exe
-
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
- Detect Xworm Payload 4 IoCs
resource yara_rule behavioral3/files/0x00080000000234a5-16.dat family_xworm behavioral3/memory/2920-25-0x0000000000E70000-0x0000000000EB2000-memory.dmp family_xworm behavioral3/files/0x00070000000234a7-33.dat family_xworm behavioral3/memory/4936-58-0x0000000000E20000-0x0000000000E36000-memory.dmp family_xworm - Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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 3600 powershell.exe 1964 powershell.exe 1616 powershell.exe 4464 powershell.exe - Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation Loader V2.exe Key value queried \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation Loader.exe Key value queried \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation loaderr.exe Key value queried \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation injectdll.exe - Drops startup file 4 IoCs
description ioc Process 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 File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk injectdll.exe - Executes dropped EXE 7 IoCs
pid Process 3740 Loader.exe 2920 injectdll.exe 4936 loaderr.exe 1712 fixer.exe 4440 svchost.exe 2940 svhost.exe 3472 svchost.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\svchost.exe" loaderr.exe Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe" injectdll.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 1 freegeoip.app 2 freegeoip.app 18 ip-api.com - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 4544 schtasks.exe 3604 schtasks.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1712 fixer.exe 1712 fixer.exe 1712 fixer.exe 1712 fixer.exe 3600 powershell.exe 3600 powershell.exe 1964 powershell.exe 1964 powershell.exe 1616 powershell.exe 1616 powershell.exe 4464 powershell.exe 4464 powershell.exe 4936 loaderr.exe 2920 injectdll.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2920 injectdll.exe Token: SeDebugPrivilege 4936 loaderr.exe Token: SeDebugPrivilege 1712 fixer.exe Token: SeDebugPrivilege 3600 powershell.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 4464 powershell.exe Token: SeDebugPrivilege 4936 loaderr.exe Token: SeDebugPrivilege 2920 injectdll.exe Token: SeDebugPrivilege 4440 svchost.exe Token: SeDebugPrivilege 2940 svhost.exe Token: SeDebugPrivilege 3472 svchost.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4936 loaderr.exe 2920 injectdll.exe - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 5032 wrote to memory of 3740 5032 Loader V2.exe 84 PID 5032 wrote to memory of 3740 5032 Loader V2.exe 84 PID 5032 wrote to memory of 2920 5032 Loader V2.exe 86 PID 5032 wrote to memory of 2920 5032 Loader V2.exe 86 PID 3740 wrote to memory of 4936 3740 Loader.exe 87 PID 3740 wrote to memory of 4936 3740 Loader.exe 87 PID 3740 wrote to memory of 1712 3740 Loader.exe 88 PID 3740 wrote to memory of 1712 3740 Loader.exe 88 PID 4936 wrote to memory of 3600 4936 loaderr.exe 92 PID 4936 wrote to memory of 3600 4936 loaderr.exe 92 PID 4936 wrote to memory of 1964 4936 loaderr.exe 94 PID 4936 wrote to memory of 1964 4936 loaderr.exe 94 PID 4936 wrote to memory of 1616 4936 loaderr.exe 96 PID 4936 wrote to memory of 1616 4936 loaderr.exe 96 PID 4936 wrote to memory of 4464 4936 loaderr.exe 98 PID 4936 wrote to memory of 4464 4936 loaderr.exe 98 PID 4936 wrote to memory of 4544 4936 loaderr.exe 100 PID 4936 wrote to memory of 4544 4936 loaderr.exe 100 PID 2920 wrote to memory of 3604 2920 injectdll.exe 102 PID 2920 wrote to memory of 3604 2920 injectdll.exe 102 - 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⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Users\Admin\AppData\Roaming\Loader.exe"C:\Users\Admin\AppData\Roaming\Loader.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Users\Admin\AppData\Local\Temp\loaderr.exe"C:\Users\Admin\AppData\Local\Temp\loaderr.exe"3⤵
- Checks computer location settings
- 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:4936 -
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:3600
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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:1964
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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:1616
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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
- Suspicious use of AdjustPrivilegeToken
PID:4464
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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:4544
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-
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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:1712
-
-
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C:\Users\Admin\AppData\Roaming\injectdll.exe"C:\Users\Admin\AppData\Roaming\injectdll.exe"2⤵
- Checks computer location settings
- 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:2920 -
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:3604
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-
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4440
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2940
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C:\Users\Admin\AppData\Local\svchost.exeC:\Users\Admin\AppData\Local\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3472
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
- Path C:\Users\Admin\AppData\Local\44\Process.txt
- Size 735B
- SHA256 a7d6c315971d2a83868f5589af77097d65e621b0414628dc68852c12e3fcc32d
- MD5 3b170a2d5c6c1c3fea237ddaec465451
- SHA1 e09a3eb92efec77794360b4d6f0ed8df018658ec
- SHA512 04d74003f114cfc9d90b44138e05aa00e69764982343a373a2c242a5a51ef39c823e1c4b261b1e6ca45a9d3feba56be37e652b744a07591c14205d4bc201e909
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\44\Process.txt
- Size 1KB
- SHA256 e7eb90a0258d358b94bd20fb3f01442a0ab6edd568a0a054d2f3a4ae88a1b79d
- MD5 fa50ff79e91d12bb14e1a330252241bf
- SHA1 b650feb9472fe1d638ef53cad739e77fb135a4d5
- SHA512 f059105ced2477c67f3b6c7aebaf296f3a550995240184af02f269c90e79dc47ea51901e2b3057133ae7e925f12fe23e56f236a2f7cb973f18ee74b164540d0b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log
- Size 654B
- SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
- MD5 2ff39f6c7249774be85fd60a8f9a245e
- SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
- SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010
- MD5 62623d22bd9e037191765d5083ce16a3
- SHA1 4a07da6872672f715a4780513d95ed8ddeefd259
- SHA512 9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31
- MD5 67e8893616f805af2411e2f4a1411b2a
- SHA1 39bf1e1a0ddf46ce7c136972120f512d92827dcd
- SHA512 164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 e834e1da338b9644d538cefd70176768816da2556939c1255d386931bd085105
- MD5 ce4540390cc4841c8973eb5a3e9f4f7d
- SHA1 2293f30a6f4c9538bc5b06606c10a50ab4ecef8e
- SHA512 2a3e466cb5a81d2b65256053b768a98321eb3e65ff46353eefc9864f14a391748116f050e7482ddd73a51575bf0a6fc5c673023dade62dbd8b174442bae1cc6b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yug51vmu.ufm.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\fixer.exe
- Size 274KB
- SHA256 62e414e990e80c8203955b0e32948ddc64903b80a462c339f1babfb03e641204
- MD5 88505913c2c75f796c9a021aab2d356d
- SHA1 5b5c06998d3e200c21c77ea4efaeaecdc7344e78
- SHA512 6fa46be04c2693ea164fe52ddf3cca0bdafd1ab34d8c0f1c2bf3d361c6042f45375343f59e9474ded6718f8177a4f7eb19fddccd95f7fbb87aad12358b2d6905
- SSDEEP 6144:pf+BLtABPD34JMDSOxIWM8VzZTafTyMlI1D0rbz:B4GiWM8VzPh1Dwz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\loaderr.exe
- Size 65KB
- SHA256 aa40b9b929868482be1daae474d7c93426cd049f844c956865709ff8b7f240c2
- MD5 95f8f28f5a8503461db6804cda9c4934
- SHA1 81c0a30e498093d41948777135bbd407c7611cda
- SHA512 5c3460372a6640a98dd1b1d34a03b951ec4a8942e9065475e982a207881f290aedc3b51fe73c0da4c527e222addd1de2be7ba541e82287e43e16fc544ab34461
- SSDEEP 1536:A6se/GZ/ti8hRPQbUxEQICo6iKJgHOZ6VjRKzm:X/K/4+RobUGROIIm
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Loader.exe
- Size 7.6MB
- SHA256 c0a2b824a0fd05854818bfb81b02bc6178db3f8519807b15d844580099428e1d
- MD5 aa16f3774491b600121545a5f194cefc
- SHA1 c872fe765ecff1dada8378ad8a12cd5cf0425219
- SHA512 8b50e7c6eca25ecc2196fbfaf42079873e3c532a90e8d8b691fb594da3e067593f86f0d6488d0c314a27d78519f33fcbfb4532f811997891d55a47d582e1b3a8
- SSDEEP 196608:8G46NbTO5uFqiXBIaqVCbB9+FsdH6HBiE555x:8G46N3O5uciXBvq09+wC/Hr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\injectdll.exe
- Size 244KB
- SHA256 b481f1e0cfe25e5f19da0a0333c78661bf5c75c0b1c616ff4aaaa07aed31efd1
- MD5 74ffb0d60d647dd6ad8d00c1bee48011
- SHA1 4c8a707a33b35b78f374c66d59f9c2314c20b25f
- SHA512 fc667f4560d6b19a9a4f37eb0e66c751eb348ffc0db69c7d0bd733dfd2df2dfdadc7b780cd93686350444cc14a54283bafe3afec611bcac3ad0239eda659f46c
- SSDEEP 6144:JCYd3pbTTMPUhcX7elbKTua9bfF/H9d9n:JCYd3VTMP3X3u+
- MD5 SHA1 SHA512 SSDEEP