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Analysis
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max time kernel
140s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
04/01/2024, 05:42
Behavioral task
behavioral1
Sample
400acaacfe51458118a9e147189d3078.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
400acaacfe51458118a9e147189d3078.exe
Resource
win10v2004-20231215-en
General
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Target
400acaacfe51458118a9e147189d3078.exe
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Size
123KB
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MD5
400acaacfe51458118a9e147189d3078
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SHA1
e821c0659887ee001130e37b1fb8c1a1b3c3bf70
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SHA256
6f8414d94f2da17d4ca602f2af65b8634169e2edc3afbb5849bf395f715af00f
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SHA512
3fba10a82b95c95b81e2e5cae57677a31a238b228bdb0cbb7e0c2b3dcdbac430671b3797e079d52d5ea0beef7bde702fc93240569a1340417f3ef97920fe996c
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SSDEEP
3072:SKcWmjRrz3ZKcWmjRrz3PNAKIOXtGQqiIzWNsHkAyxY9u:hGyGlAKR9GhimByN
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2396 2r9rb3AoeHub114.exe 2540 CTS.exe -
Loads dropped DLL 2 IoCs
pid Process 2240 400acaacfe51458118a9e147189d3078.exe 2240 400acaacfe51458118a9e147189d3078.exe -
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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resource yara_rule behavioral1/memory/2240-0-0x0000000000F40000-0x0000000000F57000-memory.dmp upx behavioral1/memory/2240-15-0x0000000000F40000-0x0000000000F57000-memory.dmp upx behavioral1/memory/2540-18-0x0000000000B60000-0x0000000000B77000-memory.dmp upx behavioral1/files/0x000b0000000126af-17.dat upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 400acaacfe51458118a9e147189d3078.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\CTS.exe 400acaacfe51458118a9e147189d3078.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2240 400acaacfe51458118a9e147189d3078.exe Token: SeDebugPrivilege 2540 CTS.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2396 2240 400acaacfe51458118a9e147189d3078.exe 28 PID 2240 wrote to memory of 2396 2240 400acaacfe51458118a9e147189d3078.exe 28 PID 2240 wrote to memory of 2396 2240 400acaacfe51458118a9e147189d3078.exe 28 PID 2240 wrote to memory of 2396 2240 400acaacfe51458118a9e147189d3078.exe 28 PID 2240 wrote to memory of 2540 2240 400acaacfe51458118a9e147189d3078.exe 29 PID 2240 wrote to memory of 2540 2240 400acaacfe51458118a9e147189d3078.exe 29 PID 2240 wrote to memory of 2540 2240 400acaacfe51458118a9e147189d3078.exe 29 PID 2240 wrote to memory of 2540 2240 400acaacfe51458118a9e147189d3078.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\400acaacfe51458118a9e147189d3078.exe"C:\Users\Admin\AppData\Local\Temp\400acaacfe51458118a9e147189d3078.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Users\Admin\AppData\Local\Temp\2r9rb3AoeHub114.exeC:\Users\Admin\AppData\Local\Temp\2r9rb3AoeHub114.exe2⤵
- Executes dropped EXE
PID:2396
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C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
123KB
MD586e942cfc55fb9e642fd5ff3035ba723
SHA1d7529f6cf50f7565c031e550f203a2b9d325e67c
SHA2566c2a60f4ced6983e4636d2accfa4dc346c801539113f762d8f1a4b35926bc20e
SHA51247eed7dd634fe72bac4aa9fe4736b047110a10ee2ae2530ce797a9f6ae39f94f8f2c0f814debb5f37ebabeefa675a33772fd04885a59e29c4fc952411cb69420
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Filesize
59KB
MD55efd390d5f95c8191f5ac33c4db4b143
SHA142d81b118815361daa3007f1a40f1576e9a9e0bc
SHA2566028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74
SHA512720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d
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Filesize
64KB
MD5a32a382b8a5a906e03a83b4f3e5b7a9b
SHA111e2bdd0798761f93cce363329996af6c17ed796
SHA25675f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346
SHA512ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c