Analysis
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max time kernel
151s -
max time network
105s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
17-03-2021 09:32
General
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Target
SecuriteInfo.com.Trojan.Kronos.21.31435.19434.exe
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Size
329KB
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MD5
37c564ae4779a505b190aa2520bb7266
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SHA1
ef79b2bf788efc094b391f938c326ab61f17237b
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SHA256
b8f765e5e9932ebe8820755b8d75eb00eb6b097316d98cd38bf9224fbf7fb82d
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SHA512
eda61c01b97d8031bd6a0f4c22e3eeaff0a18d1f9ca8836b76c6ca97cf06f48384df4827e40e2ead03d6b9c7a916f5c8939186ab10731893334988eebac5b3a5
Malware Config
Signatures
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Osiris
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Nirsoft 3 IoCs
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 4 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.
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Modifies Internet Explorer settings 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Kronos.21.31435.19434.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Kronos.21.31435.19434.exe"1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\1084477194.exe"1084477194.exe"2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\155514377.exeC:\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\155514377.exe /sjson C:\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\book.json2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exeMD5
b4cd27f2b37665f51eb9fe685ec1d373
SHA17f08febf0fdb7fc9f8bf35a10fb11e7de431abe0
SHA25691f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581
SHA512e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e
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C:\Users\Admin\AppData\Local\Temp\x64btit.txtMD5
8e02df4b54e4444e9812ead4fabe7a28
SHA1a7715b3098c2fa02adaced93a613963c39bb1d5d
SHA256d52167b633008ec6311264c9e0c0bc93c91640e503d37b695db4177e4e1bcd2b
SHA5122b4c0d7f3e3457ec90a3e1a87e3e6747f9b26692875b587485f012d411d5865b10d4a4265d5285e46bf38bc1a236b7a0fc73fe1273982e864022c8b4840b2fe6
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C:\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\1084477194.exeMD5
9f385a9a69a4d9e18055743f0694976b
SHA12c2385ea964a33f803e96e364d4a05771c733921
SHA25645f175bc165a3f8d9a05da48bdc4c1f234386588e0d003df094f72d019ae6216
SHA512e9e78eb02bad22815648723138a7443da527779644ad9f9e776f91ba796b255c7556c5fe82ea526825c23ea376ed90d4dd5f31b026d2ff00605d8db9b0729c3c
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C:\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\155514377.exeMD5
b94350c5a57401721ce013c1a76c2727
SHA1f0e946cf41e3c11d7f84736a365ec3d0b173fef4
SHA256e6f88219fde1d526253de53f06fdb95ad08704c4dedbcdcf062d09db69754a58
SHA5120b3622a799f46bf3023a7ff0afde855261f2cc1a42b19c625f17333b480bd90eddb20f61a436724065c9b5372c4beee66366bfd6f3dd5aacfb5bbaa73a022193
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\Users\Admin\AppData\Local\Temp\GetX64BTIT.exeMD5
b4cd27f2b37665f51eb9fe685ec1d373
SHA17f08febf0fdb7fc9f8bf35a10fb11e7de431abe0
SHA25691f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581
SHA512e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e
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\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\1084477194.exeMD5
9f385a9a69a4d9e18055743f0694976b
SHA12c2385ea964a33f803e96e364d4a05771c733921
SHA25645f175bc165a3f8d9a05da48bdc4c1f234386588e0d003df094f72d019ae6216
SHA512e9e78eb02bad22815648723138a7443da527779644ad9f9e776f91ba796b255c7556c5fe82ea526825c23ea376ed90d4dd5f31b026d2ff00605d8db9b0729c3c
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\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\155514377.exeMD5
b94350c5a57401721ce013c1a76c2727
SHA1f0e946cf41e3c11d7f84736a365ec3d0b173fef4
SHA256e6f88219fde1d526253de53f06fdb95ad08704c4dedbcdcf062d09db69754a58
SHA5120b3622a799f46bf3023a7ff0afde855261f2cc1a42b19c625f17333b480bd90eddb20f61a436724065c9b5372c4beee66366bfd6f3dd5aacfb5bbaa73a022193
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\Users\Admin\AppData\Local\Temp\{A7D3922A-1424-4848-9456-C6B102471981}\155514377.exeMD5
b94350c5a57401721ce013c1a76c2727
SHA1f0e946cf41e3c11d7f84736a365ec3d0b173fef4
SHA256e6f88219fde1d526253de53f06fdb95ad08704c4dedbcdcf062d09db69754a58
SHA5120b3622a799f46bf3023a7ff0afde855261f2cc1a42b19c625f17333b480bd90eddb20f61a436724065c9b5372c4beee66366bfd6f3dd5aacfb5bbaa73a022193
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memory/912-11-0x0000000000000000-mapping.dmp
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memory/940-20-0x00000000723F1000-0x00000000723F3000-memory.dmpFilesize
8KB
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memory/940-17-0x0000000000000000-mapping.dmp
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memory/1008-8-0x000007FEF77C0000-0x000007FEF7A3A000-memory.dmpFilesize
2.5MB
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memory/1044-2-0x00000000760A1000-0x00000000760A3000-memory.dmpFilesize
8KB
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memory/1044-3-0x0000000000310000-0x00000000003AF000-memory.dmpFilesize
636KB
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memory/1116-5-0x0000000000000000-mapping.dmp