Analysis
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max time kernel
149s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
21-02-2023 07:58
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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Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
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Detect Blackmoon payload 10 IoCs
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Gh0st RAT payload 3 IoCs
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Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies registry class 1 IoCs
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of SetWindowsHookEx 5 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe"C:\Users\Admin\AppData\Local\Temp\0742e1fa7a28f6e01b762d6bea8cdcd69f7df76e3c9b7cbee2f0ec597df96537.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- 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)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 21442⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4560 -ip 45601⤵
Network
MITRE ATT&CK Enterprise 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
MD54a6875c79f2241044d72ad894a7787b3
SHA1ab74032fecdfc6ab35c15df466e960e922ef3448
SHA256b9c59d66fe3669f434d8f0a31ff7f993a6f33da0901f4671104b55a224c30dca
SHA51218a3afe9131173f6a70e931c658c66eb17edf29f3b6f89d89c23dbfd4fc4da752b41293f51b154c1afa72d2921f1275b4871706159258817dbe8045f1be0b050
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C:\Users\Public\Documents\sttr.dllFilesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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memory/4560-171-0x0000000003D40000-0x0000000003E2C000-memory.dmpFilesize
944KB
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memory/4560-173-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/4560-142-0x0000000002B50000-0x0000000002BB6000-memory.dmpFilesize
408KB
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memory/4560-141-0x0000000002B50000-0x0000000002BB6000-memory.dmpFilesize
408KB
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memory/4560-144-0x0000000002B50000-0x0000000002BB6000-memory.dmpFilesize
408KB
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memory/4560-145-0x0000000002260000-0x0000000002263000-memory.dmpFilesize
12KB
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memory/4560-135-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4560-134-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4560-170-0x0000000003D40000-0x0000000003E2C000-memory.dmpFilesize
944KB
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memory/4560-133-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4560-172-0x0000000003D40000-0x0000000003E2C000-memory.dmpFilesize
944KB
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memory/4560-136-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4560-174-0x0000000003D40000-0x0000000003E2C000-memory.dmpFilesize
944KB
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memory/4560-175-0x0000000010001000-0x000000001000F000-memory.dmpFilesize
56KB
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memory/4560-176-0x0000000010000000-0x0000000010017000-memory.dmpFilesize
92KB
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memory/4560-178-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/4560-187-0x0000000002B50000-0x0000000002BB6000-memory.dmpFilesize
408KB
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memory/4560-189-0x0000000002B50000-0x0000000002BB6000-memory.dmpFilesize
408KB
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memory/4560-191-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/4560-195-0x0000000002B50000-0x0000000002BB6000-memory.dmpFilesize
408KB
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memory/4560-197-0x0000000010000000-0x0000000010003000-memory.dmpFilesize
12KB