Analysis
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max time kernel
119s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
16-07-2023 13:49
Behavioral task
behavioral1
Sample
Bat_To_Exe_Converter.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Bat_To_Exe_Converter.exe
Resource
win10v2004-20230703-en
General
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Target
Bat_To_Exe_Converter.exe
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Size
267KB
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MD5
8c9c29e59baf663d0b071b9efdec3bea
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SHA1
dbb8afc9bab40bf175322840b01d474303c38daf
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SHA256
b4d092bdd58610ec77ef6713fe7559c39a52f77d37f8a3c5044e1b95e98f969e
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SHA512
5dcdb29f21c758af40c65b96e2ae2bfa3a24388fb1c924118e258b90af2ed59b676122229de424c2c26f5050e643e4a8b3add3eaa5df6c4ba361b115cecbefd3
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SSDEEP
6144:EJZKBI0RyYeY4eoiJ+sCFvTK2/LZZ3Ru79kkkkkkkkkkkkkkkkskkkkkkkkkkkkq:1yYrZos+xFv5RupkkkkkkkkkkkkkkkkZ
Malware Config
Signatures
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VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
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Vanilla Rat payload 11 IoCs
Processes:
resource yara_rule behavioral1/memory/2908-53-0x0000000001050000-0x000000000109A000-memory.dmp vanillarat \Users\Admin\svchost.exe vanillarat C:\Users\Admin\svchost.exe vanillarat C:\Users\Admin\svchost.exe vanillarat C:\Users\Admin\svchost.exe vanillarat behavioral1/memory/2932-63-0x00000000009B0000-0x00000000009D2000-memory.dmp vanillarat behavioral1/memory/2932-65-0x0000000004D80000-0x0000000004DC0000-memory.dmp vanillarat \Users\Admin\AppData\Roaming\svchost.exe vanillarat C:\Users\Admin\AppData\Roaming\svchost.exe vanillarat behavioral1/memory/2996-74-0x00000000008E0000-0x0000000000902000-memory.dmp vanillarat C:\Users\Admin\AppData\Roaming\svchost.exe vanillarat -
Executes dropped EXE 2 IoCs
Processes:
svchost.exesvchost.exepid process 2932 svchost.exe 2996 svchost.exe -
Loads dropped DLL 2 IoCs
Processes:
Bat_To_Exe_Converter.exesvchost.exepid process 2908 Bat_To_Exe_Converter.exe 2932 svchost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Bat_To_Exe_Converter.exesvchost.exedescription pid process Token: SeDebugPrivilege 2908 Bat_To_Exe_Converter.exe Token: SeDebugPrivilege 2932 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Bat_To_Exe_Converter.exesvchost.exedescription pid process target process PID 2908 wrote to memory of 2932 2908 Bat_To_Exe_Converter.exe svchost.exe PID 2908 wrote to memory of 2932 2908 Bat_To_Exe_Converter.exe svchost.exe PID 2908 wrote to memory of 2932 2908 Bat_To_Exe_Converter.exe svchost.exe PID 2908 wrote to memory of 2932 2908 Bat_To_Exe_Converter.exe svchost.exe PID 2932 wrote to memory of 2996 2932 svchost.exe svchost.exe PID 2932 wrote to memory of 2996 2932 svchost.exe svchost.exe PID 2932 wrote to memory of 2996 2932 svchost.exe svchost.exe PID 2932 wrote to memory of 2996 2932 svchost.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\svchost.exe"C:\Users\Admin\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
115KB
MD52e5422412d23d9f1c1dff78719447728
SHA100440171a8963d4454aa8e63fb3a25fd85585091
SHA2563f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03
SHA51277b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
115KB
MD52e5422412d23d9f1c1dff78719447728
SHA100440171a8963d4454aa8e63fb3a25fd85585091
SHA2563f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03
SHA51277b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521
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C:\Users\Admin\svchost.exeFilesize
115KB
MD52e5422412d23d9f1c1dff78719447728
SHA100440171a8963d4454aa8e63fb3a25fd85585091
SHA2563f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03
SHA51277b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521
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C:\Users\Admin\svchost.exeFilesize
115KB
MD52e5422412d23d9f1c1dff78719447728
SHA100440171a8963d4454aa8e63fb3a25fd85585091
SHA2563f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03
SHA51277b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521
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C:\Users\Admin\svchost.exeFilesize
115KB
MD52e5422412d23d9f1c1dff78719447728
SHA100440171a8963d4454aa8e63fb3a25fd85585091
SHA2563f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03
SHA51277b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521
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\Users\Admin\AppData\Roaming\svchost.exeFilesize
115KB
MD52e5422412d23d9f1c1dff78719447728
SHA100440171a8963d4454aa8e63fb3a25fd85585091
SHA2563f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03
SHA51277b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521
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\Users\Admin\svchost.exeFilesize
115KB
MD52e5422412d23d9f1c1dff78719447728
SHA100440171a8963d4454aa8e63fb3a25fd85585091
SHA2563f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03
SHA51277b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521
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memory/2908-54-0x0000000074580000-0x0000000074C6E000-memory.dmpFilesize
6.9MB
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memory/2908-53-0x0000000001050000-0x000000000109A000-memory.dmpFilesize
296KB
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memory/2908-66-0x0000000074580000-0x0000000074C6E000-memory.dmpFilesize
6.9MB
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memory/2932-65-0x0000000004D80000-0x0000000004DC0000-memory.dmpFilesize
256KB
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memory/2932-64-0x0000000074580000-0x0000000074C6E000-memory.dmpFilesize
6.9MB
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memory/2932-63-0x00000000009B0000-0x00000000009D2000-memory.dmpFilesize
136KB
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memory/2932-75-0x0000000074580000-0x0000000074C6E000-memory.dmpFilesize
6.9MB
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memory/2996-74-0x00000000008E0000-0x0000000000902000-memory.dmpFilesize
136KB
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memory/2996-76-0x0000000074580000-0x0000000074C6E000-memory.dmpFilesize
6.9MB
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memory/2996-77-0x0000000004E00000-0x0000000004E40000-memory.dmpFilesize
256KB
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memory/2996-78-0x0000000074580000-0x0000000074C6E000-memory.dmpFilesize
6.9MB
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memory/2996-79-0x0000000004E00000-0x0000000004E40000-memory.dmpFilesize
256KB