Analysis
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max time kernel
178s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 01:32
Behavioral task
behavioral1
Sample
fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe
Resource
win10v2004-20221111-en
General
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Target
fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe
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Size
764KB
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MD5
fdae058e80f98616f4fdce735ab07e47
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SHA1
525a3a9806312b69722f8bc1c33cb066429855bd
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SHA256
fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead
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SHA512
f2097e5983f9e2386312474855c10a07f162ed44fe42f404bc4814347af63a575162e0e3f942b0da00f3b9553211e6f1f68acb49e3d4af610ceb9a0029bfd0c5
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SSDEEP
12288:VM5DSN6aAH0vN32GXeWa7U8oico9hJMBex+gQL0:VM5D1kN370NVlxnF
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 780 lsass.exe -
resource yara_rule behavioral2/memory/404-132-0x0000000000400000-0x000000000052D000-memory.dmp upx behavioral2/files/0x0006000000022e56-135.dat upx behavioral2/files/0x0006000000022e56-137.dat upx behavioral2/memory/404-136-0x0000000000400000-0x000000000052D000-memory.dmp upx behavioral2/memory/780-138-0x0000000000400000-0x000000000052D000-memory.dmp upx behavioral2/memory/780-139-0x0000000000400000-0x000000000052D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run lsass.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\run32 = "C:\\Win\\lsass.exe" lsass.exe -
Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\h: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\t: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\x: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\g: lsass.exe File opened (read-only) \??\l: lsass.exe File opened (read-only) \??\j: lsass.exe File opened (read-only) \??\e: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\q: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\r: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\z: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\b: lsass.exe File opened (read-only) \??\e: lsass.exe File opened (read-only) \??\i: lsass.exe File opened (read-only) \??\m: lsass.exe File opened (read-only) \??\g: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\j: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\l: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\s: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\y: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\f: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\p: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\u: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\k: lsass.exe File opened (read-only) \??\s: lsass.exe File opened (read-only) \??\x: lsass.exe File opened (read-only) \??\r: lsass.exe File opened (read-only) \??\n: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\o: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\v: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\w: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\h: lsass.exe File opened (read-only) \??\o: lsass.exe File opened (read-only) \??\p: lsass.exe File opened (read-only) \??\t: lsass.exe File opened (read-only) \??\w: lsass.exe File opened (read-only) \??\y: lsass.exe File opened (read-only) \??\i: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\m: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\a: lsass.exe File opened (read-only) \??\v: lsass.exe File opened (read-only) \??\z: lsass.exe File opened (read-only) \??\a: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\b: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\k: fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe File opened (read-only) \??\f: lsass.exe File opened (read-only) \??\n: lsass.exe File opened (read-only) \??\q: lsass.exe File opened (read-only) \??\u: lsass.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe -
Modifies registry class 38 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 50003100000000006b55b26e10004c6f63616c003c0009000400efbe6b557d6c8655e5022e0000009ce10100000001000000000000000000000000000000e996ac004c006f00630061006c00000014000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\MRUListEx = ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000006b550575100041646d696e003c0009000400efbe6b557d6c8655e4022e0000007ee101000000010000000000000000000000000000009410f100410064006d0069006e00000014000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4e003100000000008655e502100054656d7000003a0009000400efbe6b557d6c8655e5022e0000009de101000000010000000000000000000000000000006e2d0a00540065006d007000000014000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 = ca003100000000008655e50217004642363931307e310000b20009000400efbe8655e5028655e5022e000000502e02000000070000000000000000000000000000006e2d0a006600620036003900310030003500300065003900370062003900380038006400620038003000650063003100360035006200660066003300630037003000320064006100300038006500620030003500650034006400330061006300340036006300370037006200630066003400610033006600610031003800650061006400000018000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\NodeSlot = "1" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 78003100000000006b557d6c1100557365727300640009000400efbe874f77488655e4022e000000c70500000000010000000000000000003a0000000000d967240055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 56003100000000006b557d6c12004170704461746100400009000400efbe6b557d6c8655e5022e00000089e1010000000100000000000000000000000000000020f30e004100700070004400610074006100000016000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1060 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 780 lsass.exe 1060 explorer.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1060 explorer.exe 1060 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 404 wrote to memory of 2148 404 fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe 82 PID 404 wrote to memory of 2148 404 fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe 82 PID 404 wrote to memory of 2148 404 fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe 82 PID 404 wrote to memory of 780 404 fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe 85 PID 404 wrote to memory of 780 404 fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe 85 PID 404 wrote to memory of 780 404 fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe"C:\Users\Admin\AppData\Local\Temp\fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead.exe"1⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:404 -
C:\Windows\SysWOW64\explorer.exeexplorer.exe C:\Users\Admin\AppData\Local\Temp\fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead2⤵PID:2148
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\??\c:\Win\lsass.exec:\Win\lsass.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
PID:780
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1060
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4560
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
764KB
MD5fdae058e80f98616f4fdce735ab07e47
SHA1525a3a9806312b69722f8bc1c33cb066429855bd
SHA256fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead
SHA512f2097e5983f9e2386312474855c10a07f162ed44fe42f404bc4814347af63a575162e0e3f942b0da00f3b9553211e6f1f68acb49e3d4af610ceb9a0029bfd0c5
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Filesize
764KB
MD5fdae058e80f98616f4fdce735ab07e47
SHA1525a3a9806312b69722f8bc1c33cb066429855bd
SHA256fb691050e97b988db80ec165bff3c702da08eb05e4d3ac46c77bcf4a3fa18ead
SHA512f2097e5983f9e2386312474855c10a07f162ed44fe42f404bc4814347af63a575162e0e3f942b0da00f3b9553211e6f1f68acb49e3d4af610ceb9a0029bfd0c5