Analysis
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max time kernel
161s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
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submitted
12-04-2023 20:03
General
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Target
f1948b20c6391592ba65b9dfbe9c90b2e81923e1c327c5c1b851f3a2c13ad58f.exe
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Size
220KB
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MD5
5e4f863b9f834f972821c780ead30bd3
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SHA1
9877329e8c5b33160fb5bb3428a4446c8936aed0
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SHA256
f1948b20c6391592ba65b9dfbe9c90b2e81923e1c327c5c1b851f3a2c13ad58f
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SHA512
7d3e90bcf6be982efd135fc6f4f25ea0679084465d98aa45b6befd70e9cc92777f126205a7f2ca66ac3ddd14937fb840d6c88ba0a187f7472f081a0d19d76f9e
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SSDEEP
3072:sqtk2tL7E8TGNSOZtvbEwctSC8JSu+B/+RtXTOMQt9ccOy:sqtks4Vp1h9+B/0jOLDJOy
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 8 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 2 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\f1948b20c6391592ba65b9dfbe9c90b2e81923e1c327c5c1b851f3a2c13ad58f.exe"C:\Users\Admin\AppData\Local\Temp\f1948b20c6391592ba65b9dfbe9c90b2e81923e1c327c5c1b851f3a2c13ad58f.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\f1948b20c6391592ba65b9dfbe9c90b2e81923e1c327c5c1b851f3a2c13ad58f.txt2⤵
- Opens file in notepad (likely ransom note)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 21362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4112 -ip 41121⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
120KB
MD53aea5b78bac5359a799c2714fecccd1a
SHA15d3203b328ecfc7a55c0ded1032d209e9f273367
SHA256c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3
SHA5129513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3
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Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
247B
MD5fb45a034145a5f25990462d478dbcd48
SHA19236ebe83f5af670a549fabadd9b7fc565267b50
SHA256e409ee406b9d19d39b88db5777e666b05848ba209770dc0b0437cf3361d6626d
SHA512bb32ef4a1a521ecfffd2c68316ea4be15b81c8a5d388700dd8a8d5443200d1ba97d6045f5398f53ccd0167bb91d0a251164a9cdd8dece7c95511b4cf00053c2f
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Filesize
968KB
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Filesize
968KB
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Filesize
12KB
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Filesize
408KB
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Filesize
408KB
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Filesize
968KB
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Filesize
968KB
-
Filesize
224KB
-
Filesize
156KB
-
Filesize
408KB
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Filesize
12KB
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Filesize
92KB
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Filesize
56KB
-
Filesize
156KB
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Filesize
224KB
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Filesize
408KB
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Filesize
156KB
-
Filesize
408KB
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Filesize
224KB