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Analysis
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max time kernel
146s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
01/10/2022, 20:50
Static task
static1
Behavioral task
behavioral1
Sample
b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe
Resource
win10v2004-20220812-en
General
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Target
b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe
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Size
120KB
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MD5
4dceae07630380b5ed1a94389e1fb9c0
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SHA1
2d3bd982d62d7fc62b961f82625682231766856e
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SHA256
b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97
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SHA512
4fb8b0a3cbeb394453c551e6daece1cf5c1685abf2d6b083d569c4096a3544c228df7bba7acfdec3aae9caa490f04dd78ca08a53cf6a6108f415a0d5a767e254
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SSDEEP
1536:mZG0MaQ9u20DPpbuF30kpX9aIJeOX/hZZYF9WqoMurUE/ZZ1rSNJMiGXBe:Nr9u20Tpb+rpAyZZKF9WqJEz1+8dx
Malware Config
Extracted
tofsee
111.121.193.238
103.15.107.117
188.190.114.108
188.165.132.183
213.155.0.208
rgtryhbgddtyh.biz
wertdghbyrukl.ch
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1164 eennasbz.exe 1708 eennasbz.exe -
Deletes itself 1 IoCs
pid Process 432 cmd.exe -
Loads dropped DLL 2 IoCs
pid Process 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\eennasbz.exe\"" b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1168 set thread context of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1164 set thread context of 1708 1164 eennasbz.exe 31 PID 1708 set thread context of 1680 1708 eennasbz.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 1164 eennasbz.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1168 wrote to memory of 1640 1168 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 27 PID 1640 wrote to memory of 1164 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 28 PID 1640 wrote to memory of 1164 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 28 PID 1640 wrote to memory of 1164 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 28 PID 1640 wrote to memory of 1164 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 28 PID 1640 wrote to memory of 432 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 29 PID 1640 wrote to memory of 432 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 29 PID 1640 wrote to memory of 432 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 29 PID 1640 wrote to memory of 432 1640 b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe 29 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1164 wrote to memory of 1708 1164 eennasbz.exe 31 PID 1708 wrote to memory of 1680 1708 eennasbz.exe 32 PID 1708 wrote to memory of 1680 1708 eennasbz.exe 32 PID 1708 wrote to memory of 1680 1708 eennasbz.exe 32 PID 1708 wrote to memory of 1680 1708 eennasbz.exe 32 PID 1708 wrote to memory of 1680 1708 eennasbz.exe 32 PID 1708 wrote to memory of 1680 1708 eennasbz.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe"C:\Users\Admin\AppData\Local\Temp\b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Users\Admin\AppData\Local\Temp\b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe"C:\Users\Admin\AppData\Local\Temp\b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Users\Admin\eennasbz.exe"C:\Users\Admin\eennasbz.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Users\Admin\eennasbz.exe"C:\Users\Admin\eennasbz.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\svchost.exesvchost.exe5⤵PID:1680
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\4011.bat" "3⤵
- Deletes itself
PID:432
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
302B
MD582f2f155771c7c4904c12c23cca7ea40
SHA1822563caf201e35906c67abb8c319d3f1b9d3b59
SHA25613e29eb85af8de8b174f5b8ab10165cfd73c24c5c8998c0c04edec2dd4af8531
SHA5123ef45fe3747c6558140e2da0bef868bb65fe775ddb98dd6605b5f5bac5eb4acb6410b011eaac209404db76d38dc7142dcac1c89641c19a6f5a589e8f92576d0a
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Filesize
43.7MB
MD5f9f824bb16b542fdbe708fef74022151
SHA1084df0a16cde9087adeec22795772834f8cffbe9
SHA2560b55681423b1ca0fec490a4f73030e40d936ceb16782b16f6113991529371f19
SHA512df60e5b4685053b9680e2d715409218860f9b5e78bf8f35654e3dbc71e8072ade6b9b3b71cd1b31c5f782fa998a4af9e487786bba7d604fce4aa93feddc7b923
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Filesize
43.7MB
MD5f9f824bb16b542fdbe708fef74022151
SHA1084df0a16cde9087adeec22795772834f8cffbe9
SHA2560b55681423b1ca0fec490a4f73030e40d936ceb16782b16f6113991529371f19
SHA512df60e5b4685053b9680e2d715409218860f9b5e78bf8f35654e3dbc71e8072ade6b9b3b71cd1b31c5f782fa998a4af9e487786bba7d604fce4aa93feddc7b923
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Filesize
43.7MB
MD5f9f824bb16b542fdbe708fef74022151
SHA1084df0a16cde9087adeec22795772834f8cffbe9
SHA2560b55681423b1ca0fec490a4f73030e40d936ceb16782b16f6113991529371f19
SHA512df60e5b4685053b9680e2d715409218860f9b5e78bf8f35654e3dbc71e8072ade6b9b3b71cd1b31c5f782fa998a4af9e487786bba7d604fce4aa93feddc7b923
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Filesize
43.7MB
MD5f9f824bb16b542fdbe708fef74022151
SHA1084df0a16cde9087adeec22795772834f8cffbe9
SHA2560b55681423b1ca0fec490a4f73030e40d936ceb16782b16f6113991529371f19
SHA512df60e5b4685053b9680e2d715409218860f9b5e78bf8f35654e3dbc71e8072ade6b9b3b71cd1b31c5f782fa998a4af9e487786bba7d604fce4aa93feddc7b923
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Filesize
43.7MB
MD5f9f824bb16b542fdbe708fef74022151
SHA1084df0a16cde9087adeec22795772834f8cffbe9
SHA2560b55681423b1ca0fec490a4f73030e40d936ceb16782b16f6113991529371f19
SHA512df60e5b4685053b9680e2d715409218860f9b5e78bf8f35654e3dbc71e8072ade6b9b3b71cd1b31c5f782fa998a4af9e487786bba7d604fce4aa93feddc7b923