Analysis
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max time kernel
147s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-09-2024 17:57
Static task
static1
Behavioral task
behavioral1
Sample
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe
Resource
win10v2004-20240802-en
General
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Target
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe
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Size
732KB
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MD5
cdc4132b29e414f192431cf17c959a56
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SHA1
a26f541c8130c404020d76d98b4fb4c3c9600f99
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SHA256
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701
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SHA512
d85935b75ce1a78b026ccc2e015c1cf1e3013114a8ba0f2e48c2bc4d93cdbd913f18016214335c5111c491716f7a823e58366fb4a37778d32be78478ed128eef
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SSDEEP
12288:HLtTB27VeNWombj8dJBpuz4I3hrJAb8hWzmYe9VOucjSdsdfyv:rtUJ6W7WEcENAbbqmSdsNyv
Malware Config
Extracted
djvu
http://cajgtus.com/lancer/get.php
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extension
.qual
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offline_id
KLbRmn6on3AXGFgDLGtd0IkHmV7uHw9VxlcxO5t1
- payload_url
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ransomnote
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Signatures
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Detected Djvu ransomware 13 IoCs
Processes:
resource yara_rule behavioral1/memory/2756-2-0x00000000038C0000-0x00000000039DB000-memory.dmp family_djvu behavioral1/memory/2828-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2828-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2828-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2828-27-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-47-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-45-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-46-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-53-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-54-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-51-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2052-55-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\608f5632-d53f-4e1b-976b-3b4b7fda3fd3\\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe\" --AutoStart" d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.2ip.ua 4 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exed148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exedescription pid process target process PID 2756 set thread context of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 set thread context of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exed148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exeicacls.exed148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exed148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exed148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exepid process 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe 2052 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe 2052 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exed148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exed148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exedescription pid process target process PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2756 wrote to memory of 2828 2756 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2828 wrote to memory of 2552 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe icacls.exe PID 2828 wrote to memory of 2552 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe icacls.exe PID 2828 wrote to memory of 2552 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe icacls.exe PID 2828 wrote to memory of 2552 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe icacls.exe PID 2828 wrote to memory of 2580 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2828 wrote to memory of 2580 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2828 wrote to memory of 2580 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2828 wrote to memory of 2580 2828 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe PID 2580 wrote to memory of 2052 2580 d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe"C:\Users\Admin\AppData\Local\Temp\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Users\Admin\AppData\Local\Temp\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe"C:\Users\Admin\AppData\Local\Temp\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\608f5632-d53f-4e1b-976b-3b4b7fda3fd3" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2552
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C:\Users\Admin\AppData\Local\Temp\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe"C:\Users\Admin\AppData\Local\Temp\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Users\Admin\AppData\Local\Temp\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe"C:\Users\Admin\AppData\Local\Temp\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD57fb5fa1534dcf77f2125b2403b30a0ee
SHA1365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA25633a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD54eba20966d05750366c1c8718a3ec30f
SHA113f34d829474933f496b2aa9e416db30d3dd9ba0
SHA256959bcf13dac05350a56a69053270f6fe935899b5062e77d04df0e3cac1969331
SHA51220a34ca4dc654adf5aa9574eec0a84be3c4a3ef75f324aa055b8832cd7b908c2efd45d00a080aaba4a99ef9ee9e267d84c5c3afa962e998abe58bbab9d85c242
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD548c3452e71247f477faf753f3df5e0b5
SHA1e9c14719f9e5a51810615d0660cd057b7e87f56b
SHA256f414cc5c2c516bc1cb9f3d7a5f84c08671a517814c60e978aa990ebaff4327d8
SHA51299f4e8d02257c02de16d49313234e79d041452462ccead0d3f3d8cafe15123a3b31d7fe9dc991d0c022b48481e49a807cc374a8a2369035d24c7a0f259a8b802
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5d7ff2aa1ed44254dda71bd435f11e960
SHA110419d39eb9757fb12e01608f26268946f68d09d
SHA25687e92d2712c4d89a4feb72a240b096d69fcdddeb2b2117d9ba576f509700bf2b
SHA51288d663ec0458be1da0b4604e811fb3b0442da0b6659f56d42aa2dd77f0ac0b8ee2c5467f67e8764929a0cb827141fe40b37857f704a4275f52498fff90cd6b7d
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C:\Users\Admin\AppData\Local\608f5632-d53f-4e1b-976b-3b4b7fda3fd3\d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701.exe
Filesize732KB
MD5cdc4132b29e414f192431cf17c959a56
SHA1a26f541c8130c404020d76d98b4fb4c3c9600f99
SHA256d148dedc9b654f78a2ddd2298663df99d57d00cdec9e97a3722496cc51c60701
SHA512d85935b75ce1a78b026ccc2e015c1cf1e3013114a8ba0f2e48c2bc4d93cdbd913f18016214335c5111c491716f7a823e58366fb4a37778d32be78478ed128eef
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b