Analysis
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max time kernel
92s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 02:28
Static task
static1
Behavioral task
behavioral1
Sample
49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe
Resource
win10v2004-20220812-en
General
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Target
49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe
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Size
581KB
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MD5
c2a6da112d6cff512c7c6557c64e8dd3
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SHA1
7888ff46d1dd254fc912287b601b9610102f96a6
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SHA256
49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32
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SHA512
77668d7edbff1b6c1b5180c0993bef8b6224053a556482504d39a04416d46a22831d99ea939a65e98d31ca754b311fa71add97e66e8726e968a5f78c1c0ece1a
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0U6:ufplNFgxG5eZngb0V
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 284 nbfile0.exe 920 nbfile1.exe -
Loads dropped DLL 7 IoCs
pid Process 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 920 nbfile1.exe 920 nbfile1.exe 920 nbfile1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NSIS installer 7 IoCs
resource yara_rule behavioral1/files/0x00090000000139fe-64.dat nsis_installer_2 behavioral1/files/0x00090000000139fe-69.dat nsis_installer_2 behavioral1/files/0x00090000000139fe-67.dat nsis_installer_2 behavioral1/files/0x00090000000139fe-65.dat nsis_installer_2 behavioral1/files/0x00090000000139fe-71.dat nsis_installer_2 behavioral1/files/0x00090000000139fe-72.dat nsis_installer_2 behavioral1/files/0x00090000000139fe-70.dat nsis_installer_2 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e0f3d159765a7f43b6bf060b4b70c9a3000000000200000000001066000000010000200000007da9e6673393d43cc828611986c0975b23cfa602a965fcadd994e43c97e98d46000000000e8000000002000020000000abd475a843e84a2c987b057d348a00b293dc8a3e24a697cb28b8e5f2b09b7695200000001ac0993703c0d7107be7c49232aed8a8ee065c1df6039bd838a078d8ed523475400000005d63247fd0264cf0ac075e9d8bcdea08852648ffbd1e862c8628f79af9f52c3a8376c38b2a7cdcc18de342f47ac85163e41e5e82b8840daef2eb9318e84d6f4d IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60dddc50e9cbd801 IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e0f3d159765a7f43b6bf060b4b70c9a300000000020000000000106600000001000020000000919fe6cbb88c7d1b3ab2d52bb73582bc628717930cf6e27e933bde6a1e05bb5b000000000e8000000002000020000000deed75ac67358dae94781352339fa4b623c0ffdca1a353ba7dd7dec0f4ba31369000000027c6e3a754006f8b4ebe003cd0f1f09bc4ea0cf043b87bcc23c73679a00eaddbda28d25c9e0d43758109af0af0dcba5ebdc660400ea875948a6d15b64cd2065c57f320852eaf73ef7f6c009d187817f19d5b4aeddac90136257bd4df4f5869fcec6142f49585b4adbbc9d1f5b264bba3d96ebfae356029eb2a8bef5e69b526e4f5ad0d2fbd55490657dc2135b5f09c5d40000000d491a7a67ced0f6919afda155346bce17b1103b161e16acd24413796501c89fdd61890ecb7a267b566782b4dbe378bd829850911bee8d37aa9ce898877de3c91 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370330507" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{69347DF1-37DC-11ED-B7B1-7ADD0904B6AC} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 284 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1920 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 284 nbfile0.exe 1920 IEXPLORE.EXE 1920 IEXPLORE.EXE 2032 IEXPLORE.EXE 2032 IEXPLORE.EXE 2032 IEXPLORE.EXE 2032 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1480 wrote to memory of 284 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 27 PID 1480 wrote to memory of 284 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 27 PID 1480 wrote to memory of 284 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 27 PID 1480 wrote to memory of 284 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 27 PID 284 wrote to memory of 1920 284 nbfile0.exe 28 PID 284 wrote to memory of 1920 284 nbfile0.exe 28 PID 284 wrote to memory of 1920 284 nbfile0.exe 28 PID 284 wrote to memory of 1920 284 nbfile0.exe 28 PID 1920 wrote to memory of 2032 1920 IEXPLORE.EXE 30 PID 1920 wrote to memory of 2032 1920 IEXPLORE.EXE 30 PID 1920 wrote to memory of 2032 1920 IEXPLORE.EXE 30 PID 1920 wrote to memory of 2032 1920 IEXPLORE.EXE 30 PID 284 wrote to memory of 1964 284 nbfile0.exe 31 PID 284 wrote to memory of 1964 284 nbfile0.exe 31 PID 284 wrote to memory of 1964 284 nbfile0.exe 31 PID 284 wrote to memory of 1964 284 nbfile0.exe 31 PID 1480 wrote to memory of 920 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 32 PID 1480 wrote to memory of 920 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 32 PID 1480 wrote to memory of 920 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 32 PID 1480 wrote to memory of 920 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 32 PID 1480 wrote to memory of 920 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 32 PID 1480 wrote to memory of 920 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 32 PID 1480 wrote to memory of 920 1480 49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe 32 PID 920 wrote to memory of 944 920 nbfile1.exe 34 PID 920 wrote to memory of 944 920 nbfile1.exe 34 PID 920 wrote to memory of 944 920 nbfile1.exe 34 PID 920 wrote to memory of 944 920 nbfile1.exe 34 PID 920 wrote to memory of 944 920 nbfile1.exe 34 PID 920 wrote to memory of 944 920 nbfile1.exe 34 PID 920 wrote to memory of 944 920 nbfile1.exe 34 PID 920 wrote to memory of 1360 920 nbfile1.exe 33 PID 920 wrote to memory of 1360 920 nbfile1.exe 33 PID 920 wrote to memory of 1360 920 nbfile1.exe 33 PID 920 wrote to memory of 1360 920 nbfile1.exe 33 PID 920 wrote to memory of 1360 920 nbfile1.exe 33 PID 920 wrote to memory of 1360 920 nbfile1.exe 33 PID 920 wrote to memory of 1360 920 nbfile1.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe"C:\Users\Admin\AppData\Local\Temp\49daed64f408db7e425d44a7eac53f27528d75c2f0b483d1edc16656a1494c32.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1480 -
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:284 -
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:1920 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1920 CREDAT:275457 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2032
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:1964
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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:920 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:1360
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:944
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
603B
MD511fc2a4af35f452f835748f61f6aa26d
SHA16a34b195c6dc40f49058a06a56100df55403b1ee
SHA2563c2271504363d2d33a09c51215d79d4e7902130ef3f1f5e4b1e78af603c9c12a
SHA512cbdde9d76219a00c77c034ac78f6638a3d476317f7162d58421a43ee9524e0f976aec56772086544f12b281503b1b51104ab5958bbda6b6b353e39c4ef0b390e
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Filesize
651B
MD54736e7158c27f244482f5a614b9dbdae
SHA1d3a0e95a81e9e3ec95cfd596b25749a0e24e27b9
SHA256b8229bc8d6b0013858fb9599cb510afa4566a439164b2c7444c449540a124acc
SHA512cebf895dd3ec3822c42b78bac49c685b063cb5afcbcfb3850b073cb118d086c5fa75ec50b6e73d90e14f2c6b595752ad87910b8cf27378424d72a9ea309bf824
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9