Analysis
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max time kernel
134s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
14-03-2023 04:18
General
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Target
17231e7ba7d04967bda15e169008982936599103cd9c01c5691402e0d6c25489.exe
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Size
324KB
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MD5
1c22fa80322fd53bae02ed3e7524fc0c
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SHA1
466acd7212820c57379fd830f83d9419810d2ba0
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SHA256
17231e7ba7d04967bda15e169008982936599103cd9c01c5691402e0d6c25489
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SHA512
e4fe4b0f80a96d5ec474e7f12a6fb7ab5ae5fefc6b75fcbf5ba7c9fb4e3baeb40bfc0c8605a0d84f3cf961be47fff38ff026e608f0868d89fba0dc414f51b461
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SSDEEP
6144:x303mYR98V8WvmSbW63MQJyCZc2fZvQ11/N7gTZAAypRVzspp627gQG:23mQ8zeSd3fYdOy/mWX7682bG
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 5 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 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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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\17231e7ba7d04967bda15e169008982936599103cd9c01c5691402e0d6c25489.exe"C:\Users\Admin\AppData\Local\Temp\17231e7ba7d04967bda15e169008982936599103cd9c01c5691402e0d6c25489.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\17231e7ba7d04967bda15e169008982936599103cd9c01c5691402e0d6c25489.txt2⤵
- Opens file in notepad (likely ransom note)
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
120KB
MD53aea5b78bac5359a799c2714fecccd1a
SHA15d3203b328ecfc7a55c0ded1032d209e9f273367
SHA256c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3
SHA5129513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3
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Filesize
214B
MD59fb5b7e565b497d5ce3090c9fce48a78
SHA1169bf5c4fb4d51884324e69338baf2a7a5b14c3b
SHA256da54bf921e93edebbfe8c153f762e8d965a7905384696c560c08cf3b243effe1
SHA512027db02bf7c4ad8a5e94aa673263b6a54acd80b8f58842c081ff1eeb8a9f6e1986e24878236ded75a5940c1e2e4feff3f185fd263d5ed0217386c35f98e7a520
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Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
12KB
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Filesize
1.1MB
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Filesize
12KB
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Filesize
988KB
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Filesize
408KB
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Filesize
408KB
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Filesize
1.1MB
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Filesize
408KB
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Filesize
156KB
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Filesize
1.1MB
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Filesize
92KB
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Filesize
156KB
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Filesize
156KB
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Filesize
408KB
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Filesize
408KB
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Filesize
988KB