Analysis Overview
SHA256
bcb6561a9a8fbaaad702961e156a80c77d3e7f317178bf3f4ab04086bcd526ab
Threat Level: Known bad
The file samples.zip was found to be: Known bad.
Malicious Activity Summary
Strela
Checks computer location settings
Loads dropped DLL
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Opens file in notepad (likely ransom note)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-01 13:57
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-01 13:57
Reported
2024-02-01 14:19
Platform
win10v2004-20231215-en
Max time kernel
1174s
Max time network
1176s
Command Line
Signatures
Strela
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js" "C:\Users\Admin\\trainreproduce.bat" && "C:\Users\Admin\\trainreproduce.bat"
C:\Windows\system32\findstr.exe
findstr /V hammerachiever ""C:\Users\Admin\\trainreproduce.bat""
C:\Windows\system32\certutil.exe
certutil -f -decode licenseanxious alivebooks.dll
C:\Windows\system32\rundll32.exe
rundll32 alivebooks.dll,main
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js" "C:\Users\Admin\\trainreproduce.bat" && "C:\Users\Admin\\trainreproduce.bat"
C:\Windows\system32\findstr.exe
findstr /V hammerachiever ""C:\Users\Admin\\trainreproduce.bat""
C:\Windows\system32\certutil.exe
certutil -f -decode licenseanxious alivebooks.dll
C:\Windows\system32\rundll32.exe
rundll32 alivebooks.dll,main
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js" "C:\Users\Admin\\trainreproduce.bat" && "C:\Users\Admin\\trainreproduce.bat"
C:\Windows\system32\findstr.exe
findstr /V hammerachiever ""C:\Users\Admin\\trainreproduce.bat""
C:\Windows\system32\certutil.exe
certutil -f -decode licenseanxious alivebooks.dll
C:\Windows\system32\rundll32.exe
rundll32 alivebooks.dll,main
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 235.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
C:\Users\Admin\trainreproduce.bat
| MD5 | 97ef45c0303878a80b44a236e27fd30b |
| SHA1 | 14cdc83dae55ad1e6d9d5f01c7bd431db1b1654f |
| SHA256 | 3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3 |
| SHA512 | 1f8bee9f9922b89eef565465fba7a70d45babed06a59c9e72730672bfe2f3c6e542ecb43336121e00a2bcf5b345547b61615d1c6a7b6f6753b153f914bac96ee |
C:\Users\Admin\licenseanxious
| MD5 | cccbee3669234b546da8c922dae5515b |
| SHA1 | 6545a901c5b40a29967ed0c30e308a413485bbf9 |
| SHA256 | 2ddcf13b108c3cda14cff5ff089539281bc95b6072a16aed5e5432d46daaa5ce |
| SHA512 | 6107ed80789bade3e624b742f76d5f409c7dc4005ad8d2caf192bd8b2b58adf84d0e1a61ea7559088baad3bfc2b130fe208a2162b49e0f297775db594b7b857c |
C:\Users\Admin\alivebooks.dll
| MD5 | 50e82a0939f2e5e07db2883b6d8f0f57 |
| SHA1 | f9455b140bd8577d852927905ab3b432b0047b02 |
| SHA256 | 0cc102da3a0f71e77164ac351b19796dad1affa0a3283753f46708ee921d762c |
| SHA512 | 2d96ce17ae184b67695f5cf017eb4af8c8e05d60df9d5a6b98f502b835bae2cfea40d393967fa6d6cd17842b2a100e629433ce79d930408e64aef0bc9d2350b7 |
memory/2308-1771-0x000001B6CD940000-0x000001B6CD963000-memory.dmp
memory/2308-1770-0x00007FFEBEC20000-0x00007FFEBED79000-memory.dmp
C:\Users\Admin\trainreproduce.bat
| MD5 | 7b9b251c87bd3959eb6daf22ef5a95d4 |
| SHA1 | 57dddbb33d9769993a4633dcdb9341c6d3611979 |
| SHA256 | 81b8ea02158c925448668d5c041e8b83856b293ed31886c5921d0ad60a3f4f11 |
| SHA512 | c6503cdd38e539669cd7d64c402a450205bbaa6176bbea3bea855ce0ad868de7bf47843be81165ba24ddbdde8cb7d7f3a29a3550b2a869728fc28cdb00f988ac |
C:\Users\Admin\licenseanxious
| MD5 | e0fdf13959e902a8f04ad8ac419bef7a |
| SHA1 | ad18df88debbd0af8d8c623cf1823b983ab80e8f |
| SHA256 | 0cd50f9403330cac7c06718af50d83789b805310c2a207abc3507aaab1c24a08 |
| SHA512 | 7f4221702ceafd91991129ed28d5e12efa7f7261763359f5bda77c724531ba68cbf7f7e2f1d7806682bf1bc5f090ed18fa081b2eab3708f994995fcd6947fb2d |
C:\Users\Admin\alivebooks.dll
| MD5 | ef6035b14fd8885507ced592f336f9f8 |
| SHA1 | f636c1aa5c13f1b9d2287dc701102e65880639a7 |
| SHA256 | 055735d13611e484ff4220c2b45c6d96fa72298dc841b7ed8af409b7e3845e5e |
| SHA512 | ab177ad8c4a700d559235c994d02d41f43f549583dbccd6df8fbc5054a9ba2ddc4bc4edc1a10ea8f3c61aa79ff2f87fd8284f6b1ae4508968eed2ebdb8ba0907 |
C:\Users\Admin\alivebooks.dll
| MD5 | 122cb5f616cfb20f67e1a31420f531d7 |
| SHA1 | 78560db9f7801dfee3fc01f72b7154d44e17c5e4 |
| SHA256 | 6d110058be6456131a573fa494d131518ff5fd76c30a975ab56e95c515a23c24 |
| SHA512 | 6e3d6130e772167bd17fb95ceda2a0b61aeef8b96a14d9aa6a4125404b8b6aaeb8be03e21d8634f3f4f312cb95f3d78bc7acd072a0f7e6843a1f7497c4bddbd5 |
memory/4072-3542-0x00007FFEBEC20000-0x00007FFEBED79000-memory.dmp
memory/4072-3543-0x000001CC874C0000-0x000001CC874E3000-memory.dmp
C:\Users\Admin\trainreproduce.bat
| MD5 | f420c6e2b75278a05ada549649e5fb59 |
| SHA1 | ceacf069d47b036480b968d0b3048a88f62d040d |
| SHA256 | d3319da67e41d37b6b9358403577e6440316643d76191abdc3cdb63f73a0f5ff |
| SHA512 | 0081b834ff8a33d379d44b6868d78a6e0ed44774d922d975382af6bfbe8994867f2b9b3376f6000e2b4617afcdc44d79c5923bcb97d50521365022ff46db01fe |
C:\Users\Admin\licenseanxious
| MD5 | bab0014deb14f24d20658e95e1e32f65 |
| SHA1 | ed17543cf92b081d78c090a972ae4f49435746b3 |
| SHA256 | 7f3f8cd9dbc11e09a65d9a92e46c5ec5b8fc547617057883a80342e75d6329f9 |
| SHA512 | a1bff1f0774bcb671cda9c1c9767ec5727e568f6b723deb5a5ddca7f41a39b91cd1c8d74617a91a6a17e69dc39f615df773f4ebc89506830c7c381ee8bf52b82 |
C:\Users\Admin\alivebooks.dll
| MD5 | e827253fbfeaa39f6465bbbe8ef6f9e1 |
| SHA1 | 8a0a53da7d7d38d1023fb31feaeb5da71e61e428 |
| SHA256 | 9e565ee1fd4b16c66d06e274a2ed04439b9368af613798ba189db6873c8b350c |
| SHA512 | 1521a179c31b7afaab8e93cd8877dbd838a6dc77a8014614f571b72b5f3824f5fb8bb1f751f2870f8c46b3032f03630ec950b604e5fbdc360748fdaeba74c587 |
C:\Users\Admin\alivebooks.dll
| MD5 | a614137204d6b90175da5a1b7c5b05f7 |
| SHA1 | 0eddb9b2c9afb9c61e7ec7413472a8a14253b190 |
| SHA256 | 8ab76629f969514aa55d61f0439e97b0b5f1ce5af843eeb33d65ca50b1d9848b |
| SHA512 | 964aa24f1000635e08015bac80c210638a6e188f5002cb1ad84c94514befea25bc9430fd2bb40514739062405d1da58a24ae191fbf9118f6f2ddec28e37496a3 |
memory/3504-5315-0x000001C7D13A0000-0x000001C7D13C3000-memory.dmp
memory/3504-5314-0x00007FFEC9950000-0x00007FFEC9AA9000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-01 13:57
Reported
2024-02-01 14:18
Platform
win10v2004-20231215-en
Max time kernel
1164s
Max time network
1169s
Command Line
Signatures
Strela
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Enumerates physical storage devices
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\Notepad.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeRestorePrivilege | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
| Token: 35 | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\7-Zip\7zG.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\samples.zip
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\samples\" -spe -an -ai#7zMap4734:94:7zEvent10073
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\samples\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\samples\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js" "C:\Users\Admin\\trainreproduce.bat" && "C:\Users\Admin\\trainreproduce.bat"
C:\Windows\system32\findstr.exe
findstr /V hammerachiever ""C:\Users\Admin\\trainreproduce.bat""
C:\Windows\system32\certutil.exe
certutil -f -decode licenseanxious alivebooks.dll
C:\Windows\system32\rundll32.exe
rundll32 alivebooks.dll,main
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\samples\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\samples\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js" "C:\Users\Admin\\trainreproduce.bat" && "C:\Users\Admin\\trainreproduce.bat"
C:\Windows\system32\findstr.exe
findstr /V hammerachiever ""C:\Users\Admin\\trainreproduce.bat""
C:\Windows\system32\certutil.exe
certutil -f -decode licenseanxious alivebooks.dll
C:\Windows\system32\rundll32.exe
rundll32 alivebooks.dll,main
C:\Windows\System32\Notepad.exe
"C:\Windows\System32\Notepad.exe" C:\Users\Admin\AppData\Local\Temp\samples\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 190.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.117.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\samples\3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3.js
| MD5 | 97ef45c0303878a80b44a236e27fd30b |
| SHA1 | 14cdc83dae55ad1e6d9d5f01c7bd431db1b1654f |
| SHA256 | 3b1e6f545d77b1999b877967fd736c7ba01531b26874311b436d014f91803bf3 |
| SHA512 | 1f8bee9f9922b89eef565465fba7a70d45babed06a59c9e72730672bfe2f3c6e542ecb43336121e00a2bcf5b345547b61615d1c6a7b6f6753b153f914bac96ee |
C:\Users\Admin\trainreproduce.bat
| MD5 | 8de56a50f6ad2682277860101b8996c7 |
| SHA1 | f53772aaac0baa71fed3c5953a788c7b59aeb9f1 |
| SHA256 | 4941db609c0650bdffa6fcea7af4844c3e7886b0f03d376715f87b10766a1bb4 |
| SHA512 | e3e7487d25faf6d6a0e870928aecdff59617de8f7843f44770d8149abefd5d462ba992e7eeeede6a957f5058aef70770dfe3e394b9a390fc4087f2cc237b74c7 |
C:\Users\Admin\licenseanxious
| MD5 | cccbee3669234b546da8c922dae5515b |
| SHA1 | 6545a901c5b40a29967ed0c30e308a413485bbf9 |
| SHA256 | 2ddcf13b108c3cda14cff5ff089539281bc95b6072a16aed5e5432d46daaa5ce |
| SHA512 | 6107ed80789bade3e624b742f76d5f409c7dc4005ad8d2caf192bd8b2b58adf84d0e1a61ea7559088baad3bfc2b130fe208a2162b49e0f297775db594b7b857c |
C:\Users\Admin\alivebooks.dll
| MD5 | 50e82a0939f2e5e07db2883b6d8f0f57 |
| SHA1 | f9455b140bd8577d852927905ab3b432b0047b02 |
| SHA256 | 0cc102da3a0f71e77164ac351b19796dad1affa0a3283753f46708ee921d762c |
| SHA512 | 2d96ce17ae184b67695f5cf017eb4af8c8e05d60df9d5a6b98f502b835bae2cfea40d393967fa6d6cd17842b2a100e629433ce79d930408e64aef0bc9d2350b7 |
memory/1784-1846-0x00007FFBBAC50000-0x00007FFBBADA9000-memory.dmp
memory/1784-1847-0x0000019C78A20000-0x0000019C78A43000-memory.dmp
memory/3660-1854-0x00007FFBBAC50000-0x00007FFBBADA9000-memory.dmp
memory/3660-1855-0x0000014D2DBD0000-0x0000014D2DBF3000-memory.dmp
memory/3660-1856-0x0000014D2DBD0000-0x0000014D2DBF3000-memory.dmp