Analysis
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max time kernel
135s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
12-04-2023 04:50
General
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Target
72bf28ceda45e9a4d57ee54a0783b0e45d3df48403b7845fd7846551842eaf32.exe
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Size
399KB
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MD5
41f8efe9394e9d8320837909fb5896e2
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SHA1
6a9662724aab015906bc56f7ac81b99144d4a302
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SHA256
72bf28ceda45e9a4d57ee54a0783b0e45d3df48403b7845fd7846551842eaf32
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SHA512
82f11bca347bc41e659377f55e61c43cd6d5f14f4d5695cc8fd54a8d3079339807f8eb13029c88f520262514a1ed1e08277cb213bfe420a1a65fcaea7845c69f
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SSDEEP
12288:fHXJTI2pL4tKYzl4elgrvVgc4KXofdyrwEHEv:fH5TI22KYzl4elgrvaQCgriv
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 7 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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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 AdjustPrivilegeToken 4 IoCs
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Suspicious use of SetWindowsHookEx 6 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\72bf28ceda45e9a4d57ee54a0783b0e45d3df48403b7845fd7846551842eaf32.exe"C:\Users\Admin\AppData\Local\Temp\72bf28ceda45e9a4d57ee54a0783b0e45d3df48403b7845fd7846551842eaf32.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 AdjustPrivilegeToken
- 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\72bf28ceda45e9a4d57ee54a0783b0e45d3df48403b7845fd7846551842eaf32.txt2⤵
- Opens file in notepad (likely ransom note)
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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
214B
MD51362e6c42b73de02674ea9c7ae6da15a
SHA1263e82306eb0e37fed67f1f15e3187e518dddbfd
SHA25662c81a68178512fc9e93b90e20d4e820266e61cd7fc4653ef12bd7d1fd9c065b
SHA512a9e8b3f4c042c108f40a71a35f4c50cbc9b16859e41a5ef718a3d338d48d2f3424d7b947f7badfba52a2db1a0f668a818776f40a19ebb75861d25de8d0c6241f
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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
408KB
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Filesize
968KB
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Filesize
1.0MB
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Filesize
408KB
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Filesize
408KB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
12KB
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Filesize
1.0MB
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Filesize
220KB
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Filesize
968KB
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Filesize
968KB
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Filesize
156KB
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Filesize
92KB
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Filesize
156KB
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Filesize
408KB
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Filesize
408KB
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Filesize
220KB
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Filesize
1.0MB