Analysis
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max time kernel
31s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
31-03-2023 05:27
General
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Target
27163309.exe
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Size
210KB
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MD5
3c2241f0c7d29032d0130a2ddbc9c2fa
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SHA1
0fdc6879b4e8d617827b7568ffacfec750945fbd
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SHA256
82ae5e783b35a1bdc9574991132dea83e4d46b20f14f61ca764fc1057959f857
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SHA512
21e27c63e393aab29637ba2b6f6a00b4e9f71331acbdc4efa793e7e7d806b5a401478aa0964234ef5dde13f4b2434abb1090b368792aedb9120dc3e0fc9ed6ac
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SSDEEP
6144:JwROTC3S05EouCW/deSXPyWSp8i7i9xJGQqHu/:TTztCWFecimsiPv/
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 1 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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Loads dropped DLL 2 IoCs
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UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: EnumeratesProcesses 41 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 UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\27163309.exe"C:\Users\Admin\AppData\Local\Temp\27163309.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\27163309.txt2⤵
- Opens file in notepad (likely ransom note)
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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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
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
968KB
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Filesize
968KB
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Filesize
408KB
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Filesize
224KB
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Filesize
408KB
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Filesize
12KB
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Filesize
968KB
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Filesize
460KB
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Filesize
156KB
-
Filesize
408KB
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Filesize
92KB
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Filesize
156KB
-
Filesize
408KB
-
Filesize
156KB
-
Filesize
4KB
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Filesize
408KB
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Filesize
224KB