Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
01-03-2023 13:47
General
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Target
05e0449cdec92517550791d8024f8a297b1a447dbcbd00908d78be8696360177.exe
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Size
621KB
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MD5
f1431899005a9b9758c9c1f912d65e45
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SHA1
3ebb66d5ff5b93311767faf3a161f7c07f11abaf
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SHA256
05e0449cdec92517550791d8024f8a297b1a447dbcbd00908d78be8696360177
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SHA512
13c06f02b52b2ef31f21d6f7a44cc6bf170bbc2fdc41076be447ce65fcc767322085aa3a52444d7c0582ef796925b493623d65422c165630e60cf29c694755e4
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SSDEEP
6144:tjSO819X2yfwbS/ZCswouPe2vif6JmbPEjuQMyWfsYg4Lab:YO81F6+UswS2v26JmLNY83g4e
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 6 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 6 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\05e0449cdec92517550791d8024f8a297b1a447dbcbd00908d78be8696360177.exe"C:\Users\Admin\AppData\Local\Temp\05e0449cdec92517550791d8024f8a297b1a447dbcbd00908d78be8696360177.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\05e0449cdec92517550791d8024f8a297b1a447dbcbd00908d78be8696360177.txt2⤵
- Opens file in notepad (likely ransom note)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 21282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4212 -ip 42121⤵
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
214B
MD5f8cf0afd55cf01d633fe48de9b550f16
SHA1cd6f2a70d3d2ae55891379144f3f538049dd0d37
SHA25640412c8eed3b6ca4ee85ed1ef0d1629a37426d7132d8c34a0811e4f748cc28a1
SHA512b6952c364bc8c467d817583280ac56d5e8e195fcca34c35919c414728c39c2bbca79905bb1e0925dc3f186a5c0629fd87be46978aa1dc12c3aaabe69590d2ecc
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
412KB
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Filesize
12KB
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Filesize
412KB
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Filesize
12KB
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Filesize
1.1MB
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Filesize
1.5MB
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Filesize
156KB
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Filesize
412KB
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Filesize
92KB
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Filesize
56KB
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Filesize
156KB
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Filesize
412KB
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Filesize
412KB
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Filesize
156KB
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Filesize
412KB
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Filesize
12KB