Analysis
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max time kernel
133s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
24-02-2023 20:55
General
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Target
4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
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Size
76KB
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MD5
428222d6663806be3d23d7a8ee6fe8ee
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SHA1
a76991906614dc0c327012a27502e0bd9fd56fc3
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SHA256
4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf
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SHA512
45d9ec0fdb7274107d15f01b263eff9550cd68da6af383455a5910e658781223014b2646df5894d17175f61fdfe8acac389b445f0f48609fbbe2a9be13863395
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SSDEEP
1536:+DQUJYmsvQHy/qisuJKYW9m/Fg/Xeh32IdzZAfro9g0JHkWo2N6:BoYb4SZKYUYFk63hzZKUC1WoK
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 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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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 physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: EnumeratesProcesses 8 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 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\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe"C:\Users\Admin\AppData\Local\Temp\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- 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\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.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
214B
MD5a7864062b5b0e2c854f4e1e6d325fb41
SHA18978278f65f55ca9f8d4cfb08fca93645d40c3f1
SHA256fbc5f6023f17847d3b46a0c31c2c3295103a9c0e830d3618e7ed463d1ebed2a6
SHA5122a6930df60e2fa9dbea90d3c6a3fced13760421bedc035d59e93305dac8c802e680c5e03129d3924ffb6bf0ccafe1c2addd160553c7d8b47b4ed2b8edb2a7a9e
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Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
944KB
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Filesize
944KB
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Filesize
412KB
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Filesize
12KB
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Filesize
412KB
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Filesize
412KB
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Filesize
944KB
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Filesize
268KB
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Filesize
944KB
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Filesize
156KB
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Filesize
92KB
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Filesize
156KB
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Filesize
412KB
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Filesize
412KB
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Filesize
32KB
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Filesize
268KB