Analysis
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max time kernel
31s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
21-02-2023 07:58
Behavioral task
behavioral1
Sample
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe
Resource
win7-20230220-en
General
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Target
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe
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Size
79KB
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MD5
125dcf998b3001997c02c5fe3f046160
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SHA1
cb533b20cbf7cc196e0f52a3ba05a8b51b0bde14
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SHA256
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537
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SHA512
bcf4237327d259a2e788fd2b6c8a71713c7397a96e09199fd0214ecd60826e490bb67920d3189c671f09c6a6bf91297396f1b36317b1298831ef504bfeac79f3
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SSDEEP
1536:2CTjSdlEGKu/2OnbhTuuNfX9VrAu6niNDK5BvrXFGh2iIiWAh:2CTmrk9OnlCuNfbrL6iNDK5hXFQTI+
Malware Config
Signatures
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Detect Blackmoon payload 9 IoCs
Processes:
resource yara_rule behavioral1/memory/1116-56-0x0000000000400000-0x0000000000442000-memory.dmp family_blackmoon behavioral1/memory/1116-54-0x0000000000400000-0x0000000000442000-memory.dmp family_blackmoon behavioral1/memory/1116-55-0x0000000000400000-0x0000000000442000-memory.dmp family_blackmoon behavioral1/memory/1116-57-0x0000000000400000-0x0000000000442000-memory.dmp family_blackmoon behavioral1/memory/1116-62-0x0000000002810000-0x0000000002876000-memory.dmp family_blackmoon behavioral1/memory/1116-61-0x0000000002810000-0x0000000002876000-memory.dmp family_blackmoon behavioral1/memory/1116-64-0x0000000002810000-0x0000000002876000-memory.dmp family_blackmoon behavioral1/memory/1116-103-0x0000000002810000-0x0000000002876000-memory.dmp family_blackmoon behavioral1/memory/1116-104-0x0000000002810000-0x0000000002876000-memory.dmp family_blackmoon -
Gh0st RAT payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1116-90-0x0000000010000000-0x0000000010017000-memory.dmp family_gh0strat -
Loads dropped DLL 1 IoCs
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exepid process 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe Set value (str) \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\qdate = "C:\\Users\\Public\\Documents\\Applicationrjejk.exe" 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exedescription ioc process File opened (read-only) \??\M: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\Q: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\R: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\T: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\W: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\H: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\I: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\S: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\Y: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\K: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\P: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\N: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\Z: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\E: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\L: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\G: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\J: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\O: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\U: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\V: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\X: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\B: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe File opened (read-only) \??\F: 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 1996 NOTEPAD.EXE -
Suspicious behavior: EnumeratesProcesses 41 IoCs
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exepid process 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exepid process 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exepid process 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exepid process 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exedescription pid process target process PID 1116 wrote to memory of 1996 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe NOTEPAD.EXE PID 1116 wrote to memory of 1996 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe NOTEPAD.EXE PID 1116 wrote to memory of 1996 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe NOTEPAD.EXE PID 1116 wrote to memory of 1996 1116 0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe NOTEPAD.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe"C:\Users\Admin\AppData\Local\Temp\0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.txt2⤵
- Opens file in notepad (likely ransom note)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.txtFilesize
120KB
MD53aea5b78bac5359a799c2714fecccd1a
SHA15d3203b328ecfc7a55c0ded1032d209e9f273367
SHA256c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3
SHA5129513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3
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C:\Users\Public\Documents\sjsw.logFilesize
198B
MD59b3bd510bb2dd9c15f9073067e61619e
SHA1cb5bcb7c3bbeea93c6bacabeb6e0b17772fb2f56
SHA256a2809e4a1ddc32218e8ed31ba268f5f9e4450874d0e31b1866811bf8d22bacf9
SHA512ca48ceeb9bea229e6200a9e038364ae9f3603d19205018a33252cb61afb027de73c86cddc00d8f6af425bc3bc4a4769ae39ccb62c3a6988e9f22018cc71a5477
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\Users\Public\Documents\sttr.dllFilesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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memory/1116-62-0x0000000002810000-0x0000000002876000-memory.dmpFilesize
408KB
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memory/1116-87-0x00000000037C0000-0x00000000038AC000-memory.dmpFilesize
944KB
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memory/1116-56-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1116-61-0x0000000002810000-0x0000000002876000-memory.dmpFilesize
408KB
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memory/1116-64-0x0000000002810000-0x0000000002876000-memory.dmpFilesize
408KB
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memory/1116-65-0x0000000000270000-0x0000000000273000-memory.dmpFilesize
12KB
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memory/1116-55-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1116-54-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1116-86-0x00000000037C0000-0x00000000038AC000-memory.dmpFilesize
944KB
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memory/1116-57-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/1116-88-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/1116-89-0x00000000037C0000-0x00000000038AC000-memory.dmpFilesize
944KB
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memory/1116-90-0x0000000010000000-0x0000000010017000-memory.dmpFilesize
92KB
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memory/1116-93-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/1116-103-0x0000000002810000-0x0000000002876000-memory.dmpFilesize
408KB
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memory/1116-104-0x0000000002810000-0x0000000002876000-memory.dmpFilesize
408KB
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memory/1116-107-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB