Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
22-12-2020 11:53
Static task
static1
Behavioral task
behavioral1
Sample
e093f552a8a99add2a43244771b47e6b.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
e093f552a8a99add2a43244771b47e6b.exe
Resource
win10v20201028
General
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Target
e093f552a8a99add2a43244771b47e6b.exe
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Size
112KB
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MD5
e093f552a8a99add2a43244771b47e6b
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SHA1
8d53f7705aaf9f41e2eb519e9ed7e07acc260117
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SHA256
2234ea0bb75f1f3c710c7797aeea4a3f785918deefa4afc2a64c6133599c1f2f
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SHA512
59a0309f88e9c394544e23a6f85e0acc2f9f3bf6523cfc1ad864b885dae3b0430dc9f4ddc060ea7b524afc428abca64ab6ad56fb1e40d4bf93a1a8a2c861f50c
Malware Config
Signatures
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RunningRat
RunningRat is a remote access trojan first seen in 2018.
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Executes dropped EXE 1 IoCs
Processes:
lsass.exepid process 2516 lsass.exe -
Sets DLL path for service in the registry 2 TTPs
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Loads dropped DLL 3 IoCs
Processes:
e093f552a8a99add2a43244771b47e6b.exesvchost.exelsass.exepid process 1100 e093f552a8a99add2a43244771b47e6b.exe 3924 svchost.exe 2516 lsass.exe -
Drops file in System32 directory 3 IoCs
Processes:
e093f552a8a99add2a43244771b47e6b.exesvchost.exedescription ioc process File created C:\Windows\SysWOW64\259283593.dll e093f552a8a99add2a43244771b47e6b.exe File created C:\Windows\SysWOW64\lsass.exe svchost.exe File opened for modification C:\Windows\SysWOW64\lsass.exe svchost.exe -
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.
Processes:
lsass.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 lsass.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz lsass.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
lsass.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft lsass.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie lsass.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" lsass.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum lsass.exe Key created \REGISTRY\USER\.DEFAULT\Software lsass.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
e093f552a8a99add2a43244771b47e6b.exelsass.exepid process 1100 e093f552a8a99add2a43244771b47e6b.exe 1100 e093f552a8a99add2a43244771b47e6b.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe 2516 lsass.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
e093f552a8a99add2a43244771b47e6b.exedescription pid process Token: SeIncBasePriorityPrivilege 1100 e093f552a8a99add2a43244771b47e6b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
e093f552a8a99add2a43244771b47e6b.exepid process 1100 e093f552a8a99add2a43244771b47e6b.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
e093f552a8a99add2a43244771b47e6b.execmd.exesvchost.exedescription pid process target process PID 1100 wrote to memory of 4036 1100 e093f552a8a99add2a43244771b47e6b.exe cmd.exe PID 1100 wrote to memory of 4036 1100 e093f552a8a99add2a43244771b47e6b.exe cmd.exe PID 1100 wrote to memory of 4036 1100 e093f552a8a99add2a43244771b47e6b.exe cmd.exe PID 4036 wrote to memory of 3788 4036 cmd.exe PING.EXE PID 4036 wrote to memory of 3788 4036 cmd.exe PING.EXE PID 4036 wrote to memory of 3788 4036 cmd.exe PING.EXE PID 3924 wrote to memory of 2516 3924 svchost.exe lsass.exe PID 3924 wrote to memory of 2516 3924 svchost.exe lsass.exe PID 3924 wrote to memory of 2516 3924 svchost.exe lsass.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e093f552a8a99add2a43244771b47e6b.exe"C:\Users\Admin\AppData\Local\Temp\e093f552a8a99add2a43244771b47e6b.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\e093f552a8a99add2a43244771b47e6b.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 13⤵
- Runs ping.exe
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "lsass"1⤵
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "lsass"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\lsass.exeC:\Windows\system32\lsass.exe "c:\windows\system32\259283593.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\lsass.exeMD5
f57886ace1ab4972b0308f69b1a0029c
SHA1519b2a981cb522ed2b0901f9871f9aa9781a6cd5
SHA2562be981b3686ee5e725583f5936f5f0a0992723cad784457f91d9d1d5a15a0852
SHA512c2b3f016a8c3993771cd5709e469c9dedfa1dd35047691de5e853e2ad0ac025ec210fc6cb662c82d08f62e2c889e5060e796414a4eaf6a6c1719cdd7e5debdf8
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C:\Windows\SysWOW64\lsass.exeMD5
f57886ace1ab4972b0308f69b1a0029c
SHA1519b2a981cb522ed2b0901f9871f9aa9781a6cd5
SHA2562be981b3686ee5e725583f5936f5f0a0992723cad784457f91d9d1d5a15a0852
SHA512c2b3f016a8c3993771cd5709e469c9dedfa1dd35047691de5e853e2ad0ac025ec210fc6cb662c82d08f62e2c889e5060e796414a4eaf6a6c1719cdd7e5debdf8
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\??\c:\windows\SysWOW64\259283593.dllMD5
3c01b77400fe187af2634d5806a3685e
SHA14daa87173ef223d3f82916c8e0cb69ce07df4c68
SHA256152cbb0ddf8ba1e2f362b4ca9597367c691a49387b2258e6c13a9a4cc21604c6
SHA5126e145ec3b5fe0561ec1fae0753f45b4548b91c16bad45331a6fafa1373a54af4a91675ea083fc4857930e954b65d6e9821d5fcd45291f404efcbe19f2e002ff1
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\Windows\SysWOW64\259283593.dllMD5
3c01b77400fe187af2634d5806a3685e
SHA14daa87173ef223d3f82916c8e0cb69ce07df4c68
SHA256152cbb0ddf8ba1e2f362b4ca9597367c691a49387b2258e6c13a9a4cc21604c6
SHA5126e145ec3b5fe0561ec1fae0753f45b4548b91c16bad45331a6fafa1373a54af4a91675ea083fc4857930e954b65d6e9821d5fcd45291f404efcbe19f2e002ff1
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\Windows\SysWOW64\259283593.dllMD5
3c01b77400fe187af2634d5806a3685e
SHA14daa87173ef223d3f82916c8e0cb69ce07df4c68
SHA256152cbb0ddf8ba1e2f362b4ca9597367c691a49387b2258e6c13a9a4cc21604c6
SHA5126e145ec3b5fe0561ec1fae0753f45b4548b91c16bad45331a6fafa1373a54af4a91675ea083fc4857930e954b65d6e9821d5fcd45291f404efcbe19f2e002ff1
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\Windows\SysWOW64\259283593.dllMD5
3c01b77400fe187af2634d5806a3685e
SHA14daa87173ef223d3f82916c8e0cb69ce07df4c68
SHA256152cbb0ddf8ba1e2f362b4ca9597367c691a49387b2258e6c13a9a4cc21604c6
SHA5126e145ec3b5fe0561ec1fae0753f45b4548b91c16bad45331a6fafa1373a54af4a91675ea083fc4857930e954b65d6e9821d5fcd45291f404efcbe19f2e002ff1
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memory/2516-7-0x0000000000000000-mapping.dmp
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memory/3788-6-0x0000000000000000-mapping.dmp
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memory/4036-5-0x0000000000000000-mapping.dmp