Analysis
-
max time kernel
99s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 04:43
Static task
static1
Behavioral task
behavioral1
Sample
dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe
Resource
win10v2004-20220812-en
General
-
Target
dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe
-
Size
581KB
-
MD5
4774240beed183053aaf8c560e516852
-
SHA1
2a01dd95912f4ce13ce4b25b9b4a3b3923bf4c04
-
SHA256
dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec
-
SHA512
923c28ea25334af388038e37e35551aef91844c855234843ae26185a835ff8dca3d0c32c47ca52f7d6c9c92ab8b17785029b88c9525858786044c3604b279e3b
-
SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Ur:ufplNFgxG5eZngb0c
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
pid Process 2044 nbfile0.exe 1540 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 1540 nbfile1.exe 1540 nbfile1.exe 1540 nbfile1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
NSIS installer 7 IoCs
resource yara_rule behavioral1/files/0x000b000000012330-66.dat nsis_installer_2 behavioral1/files/0x000b000000012330-65.dat nsis_installer_2 behavioral1/files/0x000b000000012330-68.dat nsis_installer_2 behavioral1/files/0x000b000000012330-70.dat nsis_installer_2 behavioral1/files/0x000b000000012330-72.dat nsis_installer_2 behavioral1/files/0x000b000000012330-73.dat nsis_installer_2 behavioral1/files/0x000b000000012330-71.dat nsis_installer_2 -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f05a69f534ddd801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a00000000020000000000106600000001000020000000e3d8f17102a7dbcced83eb2f332d0d53f958d7323e2586e75358c02d5e6b2138000000000e8000000002000020000000e777f484df9c88b1e5030534b9821dc246fc271d620ae02c6072305504df268520000000c35c4f0fb5a6e17ebeffdda3b09c03eb3402718580850b82d39d676dea53a47c40000000a0619916cbf90478477656c41f3bd7ca54ae0df95db171093f4624615fdb6ad4a75c42575429ae3a3d5cf430ef90732f1113011a9e9474c29580f080ac821c83 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{16CD82C1-4928-11ED-AE24-CE372EDB0509} = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372232180" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a00000000020000000000106600000001000020000000ae7714f57740585e32325decfd6d1deec90f86acffbc897205f1a7fec06c2f25000000000e80000000020000200000009f3c3a61dc647223c18c452919974bb65ec6a75d9adb3162a6726e268fe8438490000000d0d9be02763a3ec9796b7040717668bf3dc38e86a9098a3acf6168a5280c12a0a8b0e6524b2ae5d9b30d3c26d929ab298c2a1125240604669483efaae5117a98de3702706373273b346e90fb49b555800fe2f46da66dc5427f5c7632dcff3882283b85650d01067f0a74c6f0ca5ed427d0b42e5b26bbd9fc52b3fc92cbd7a986585f13c54142860e75568ef04fd184f440000000de3d3bd01e2e684237d3cea0f8e0309ef8b5cd5089194db122dd50cd3ec65e5f9efd41009e348e067827b5c8452001d7e7097fd455d7bcfa5896136f4e9c2ad4 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2044 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 952 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2044 nbfile0.exe 952 IEXPLORE.EXE 952 IEXPLORE.EXE 1876 IEXPLORE.EXE 1876 IEXPLORE.EXE 1876 IEXPLORE.EXE 1876 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1184 wrote to memory of 2044 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 27 PID 1184 wrote to memory of 2044 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 27 PID 1184 wrote to memory of 2044 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 27 PID 1184 wrote to memory of 2044 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 27 PID 2044 wrote to memory of 952 2044 nbfile0.exe 28 PID 2044 wrote to memory of 952 2044 nbfile0.exe 28 PID 2044 wrote to memory of 952 2044 nbfile0.exe 28 PID 2044 wrote to memory of 952 2044 nbfile0.exe 28 PID 952 wrote to memory of 1876 952 IEXPLORE.EXE 30 PID 952 wrote to memory of 1876 952 IEXPLORE.EXE 30 PID 952 wrote to memory of 1876 952 IEXPLORE.EXE 30 PID 952 wrote to memory of 1876 952 IEXPLORE.EXE 30 PID 2044 wrote to memory of 1496 2044 nbfile0.exe 31 PID 2044 wrote to memory of 1496 2044 nbfile0.exe 31 PID 2044 wrote to memory of 1496 2044 nbfile0.exe 31 PID 2044 wrote to memory of 1496 2044 nbfile0.exe 31 PID 1184 wrote to memory of 1540 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 32 PID 1184 wrote to memory of 1540 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 32 PID 1184 wrote to memory of 1540 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 32 PID 1184 wrote to memory of 1540 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 32 PID 1184 wrote to memory of 1540 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 32 PID 1184 wrote to memory of 1540 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 32 PID 1184 wrote to memory of 1540 1184 dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe 32 PID 1540 wrote to memory of 1816 1540 nbfile1.exe 33 PID 1540 wrote to memory of 1816 1540 nbfile1.exe 33 PID 1540 wrote to memory of 1816 1540 nbfile1.exe 33 PID 1540 wrote to memory of 1816 1540 nbfile1.exe 33 PID 1540 wrote to memory of 1816 1540 nbfile1.exe 33 PID 1540 wrote to memory of 1816 1540 nbfile1.exe 33 PID 1540 wrote to memory of 1816 1540 nbfile1.exe 33 PID 1540 wrote to memory of 1072 1540 nbfile1.exe 34 PID 1540 wrote to memory of 1072 1540 nbfile1.exe 34 PID 1540 wrote to memory of 1072 1540 nbfile1.exe 34 PID 1540 wrote to memory of 1072 1540 nbfile1.exe 34 PID 1540 wrote to memory of 1072 1540 nbfile1.exe 34 PID 1540 wrote to memory of 1072 1540 nbfile1.exe 34 PID 1540 wrote to memory of 1072 1540 nbfile1.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe"C:\Users\Admin\AppData\Local\Temp\dee5cf49f78bf85b58d0b89e1f600dfea229c1444349d7082a839088c6cf11ec.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Users\Admin\AppData\Local\Temp\nbfile0.exeC:\Users\Admin\AppData\Local\Temp\nbfile0.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.97199.com/install2/?sl33⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:952 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:952 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1876
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:1496
-
-
-
C:\Users\Admin\AppData\Local\Temp\nbfile1.exeC:\Users\Admin\AppData\Local\Temp\nbfile1.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1816
-
-
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:1072
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
-
Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
-
Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
-
Filesize
598B
MD5457b1aa3121e99f7ce9442b6a248002c
SHA19c738df90429979bbae7cc2ad9f1a46730dd0a0a
SHA2563a55fd71874c7aaa9f54cb45a086b02991797c2f27a2f6582568644a55b8ddf9
SHA512243d0ef57f2c72ee14005b3a516004be0938bcb6176c3e56d8cee2d2c63956a0cf1b18e21faeb9dc2c03bcf7ac7c007999665960e7978c01a9c0868e0f9eba6e
-
Filesize
651B
MD54736e7158c27f244482f5a614b9dbdae
SHA1d3a0e95a81e9e3ec95cfd596b25749a0e24e27b9
SHA256b8229bc8d6b0013858fb9599cb510afa4566a439164b2c7444c449540a124acc
SHA512cebf895dd3ec3822c42b78bac49c685b063cb5afcbcfb3850b073cb118d086c5fa75ec50b6e73d90e14f2c6b595752ad87910b8cf27378424d72a9ea309bf824
-
Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
-
Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
-
Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
-
Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
-
Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
-
Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
-
Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9