Analysis
- max time kernel
141s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231023-en - resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system - submitted
21/11/2023, 13:11
Static task
static1
Behavioral task
behavioral1
Sample
DOC_315892419.js
Resource
win7-20231025-en
4 signatures
150 seconds
General
- Target DOC_315892419.js
- Size 436KB
- Sample231121-qe7pcafd6t
- SHA256 d8a6810d529662b18a5e2a3290848ef9f7b91ca302fc0c2f72f0db6ed03c4323
- MD5 6d00fde575b4cfa03aab318cd45045c2
- SHA1 4f6862f3e1b1ea27fbd20182e8270d5de70cc8e0
- SHA512 1dd56bc6626cfa8528a64e806a1a23d06ab12b06747de5f0671c9a6bbe65dbf73b85bb0c267f079816ed0a19aaf93555f0f29522c24c6dc8dd238b4f22fba7bf
- SSDEEP 12288:PDMInRe7YkYNTmWwP3f64zADl5OyNi9xbUW:PDMie7VHD3f64zADPNUbUW
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
strela
C2
-
193.109.85.77
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation wscript.exe - Loads dropped DLL 1 IoCs
pid Process 2012 regsvr32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1012 wrote to memory of 4596 1012 wscript.exe 87 PID 1012 wrote to memory of 4596 1012 wscript.exe 87 PID 4596 wrote to memory of 2484 4596 cmd.exe 90 PID 4596 wrote to memory of 2484 4596 cmd.exe 90 PID 4596 wrote to memory of 4240 4596 cmd.exe 91 PID 4596 wrote to memory of 4240 4596 cmd.exe 91 PID 4596 wrote to memory of 2012 4596 cmd.exe 92 PID 4596 wrote to memory of 2012 4596 cmd.exe 92
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\DOC_315892419.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\DOC_315892419.js" "C:\Users\Admin\AppData\Local\Temp\\possessinformexcusesort.bat" && "C:\Users\Admin\AppData\Local\Temp\\possessinformexcusesort.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\system32\findstr.exefindstr /V bladeshrillflamefront ""C:\Users\Admin\AppData\Local\Temp\\possessinformexcusesort.bat""3⤵PID:2484
-
-
C:\Windows\system32\certutil.execertutil -f -decode wearymoneyclaimexpect suspectcreamtearfultravel.dll3⤵PID:4240
-
-
C:\Windows\system32\regsvr32.exeregsvr32 suspectcreamtearfultravel.dll3⤵
- Loads dropped DLL
PID:2012
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\possessinformexcusesort.bat
- Size 436KB
- SHA256 d8a6810d529662b18a5e2a3290848ef9f7b91ca302fc0c2f72f0db6ed03c4323
- MD5 6d00fde575b4cfa03aab318cd45045c2
- SHA1 4f6862f3e1b1ea27fbd20182e8270d5de70cc8e0
- SHA512 1dd56bc6626cfa8528a64e806a1a23d06ab12b06747de5f0671c9a6bbe65dbf73b85bb0c267f079816ed0a19aaf93555f0f29522c24c6dc8dd238b4f22fba7bf
- SSDEEP 12288:PDMInRe7YkYNTmWwP3f64zADl5OyNi9xbUW:PDMie7VHD3f64zADPNUbUW
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\possessinformexcusesort.bat
- Size 436KB
- SHA256 d8a6810d529662b18a5e2a3290848ef9f7b91ca302fc0c2f72f0db6ed03c4323
- MD5 6d00fde575b4cfa03aab318cd45045c2
- SHA1 4f6862f3e1b1ea27fbd20182e8270d5de70cc8e0
- SHA512 1dd56bc6626cfa8528a64e806a1a23d06ab12b06747de5f0671c9a6bbe65dbf73b85bb0c267f079816ed0a19aaf93555f0f29522c24c6dc8dd238b4f22fba7bf
- SSDEEP 12288:PDMInRe7YkYNTmWwP3f64zADl5OyNi9xbUW:PDMie7VHD3f64zADPNUbUW
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\suspectcreamtearfultravel.dll
- Size 252KB
- SHA256 e0239eb26737fd8872dacd4e5b4e65c0447082417820cad3f43c53fd935a3e0c
- MD5 ef99810dc1e19764f71ece873e1fa8dd
- SHA1 6ff65e0d491c350f5e1978b723e520121285aec4
- SHA512 ed138540bb64a987af7ee54650eb39548017db9f480a326a18739c777a825968086b01ae189a0147f9f799da4cc88232177d6e74146ef9c4653cca704c8f8e4b
- SSDEEP 3072:3BqMzbkczFZXYrCfceAID4uvFANZOm1ZRXqX1hSjM9iGEANbvpLcwY6ZU2NSps+9:/VD0OtvOMJEANbxLcmZg4mij2euTKj2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\suspectcreamtearfultravel.dll
- Size 252KB
- SHA256 e0239eb26737fd8872dacd4e5b4e65c0447082417820cad3f43c53fd935a3e0c
- MD5 ef99810dc1e19764f71ece873e1fa8dd
- SHA1 6ff65e0d491c350f5e1978b723e520121285aec4
- SHA512 ed138540bb64a987af7ee54650eb39548017db9f480a326a18739c777a825968086b01ae189a0147f9f799da4cc88232177d6e74146ef9c4653cca704c8f8e4b
- SSDEEP 3072:3BqMzbkczFZXYrCfceAID4uvFANZOm1ZRXqX1hSjM9iGEANbvpLcwY6ZU2NSps+9:/VD0OtvOMJEANbxLcmZg4mij2euTKj2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\wearymoneyclaimexpect
- Size 336KB
- SHA256 53ce9ba67b55ffee8292eeabcac6cf2b37c33433988ca47935a31d9899f5de3a
- MD5 fec594ce522f3cbff8daa9f361c6e94a
- SHA1 6eed638a79ff9f3ec78499fcda657b4fadb88595
- SHA512 c748a93500730bafe72fcbea99e95dfe458c9a56b1235a92d024f36568c3d731122543f59b2378db4464771bfab075224c767d7f42934e842d8e651e3dde90be
- SSDEEP 6144:MDMIwivZMr7YIhYo0TP+WRwpl3MCr67EyM6ZvrlOoOym:MDMInRe7YkYNTmWwP3f64zADl5Oym
- MD5 SHA1 SHA512 SSDEEP