Analysis
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max time kernel
146s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
09-09-2023 05:52
Behavioral task
behavioral1
Sample
Stub.exe
Resource
win7-20230831-en
General
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Target
Stub.exe
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Size
3.8MB
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MD5
7fb55e012a36060896cfa1c93c2051b2
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SHA1
31106aeed1d00e1331f83ff6a6e8a07a73947d5f
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SHA256
73971baad302c2025a9cede6800b2e811600b17ded2f7ef4782a83bfdc687b9b
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SHA512
2a3c9f8cf3c38b73c37755edd425bfd5db3dee211737c6930af389a19beeb7cb027fc48227434f21b797c2a11ac0d6742de9a93f354eeaf5c8e753aa4ccf58df
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SSDEEP
98304:d77Pmq33rE/JDLPWZADUGer7B6iY74M/vmlwXVZ4FB:5+R/eZADUXR
Malware Config
Extracted
bitrat
1.38
moonli.ddnsking.com:1234
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communication_password
81dc9bdb52d04dc20036dbd8313ed055
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tor_process
tor
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\Unknown.dll acprotect \Users\Admin\AppData\Local\Temp\Unknown.dll acprotect -
Loads dropped DLL 1 IoCs
Processes:
Stub.exepid process 2548 Stub.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Processes:
resource yara_rule behavioral1/memory/2636-9-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral1/memory/2636-11-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral1/memory/2636-15-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral1/memory/2636-17-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral1/memory/2636-18-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral1/memory/2636-19-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral1/memory/2636-20-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral1/memory/2636-64-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral1/memory/2636-99-0x0000000000400000-0x00000000008DC000-memory.dmp upx -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
Stub.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts Stub.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
Stub.exepid process 2444 Stub.exe 2444 Stub.exe 2444 Stub.exe 2444 Stub.exe 2444 Stub.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
Stub.exeStub.exedescription pid process target process PID 2444 set thread context of 2636 2444 Stub.exe Stub.exe PID 2636 set thread context of 2548 2636 Stub.exe Stub.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Stub.exepid process 2548 Stub.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Stub.exeStub.exedescription pid process Token: SeDebugPrivilege 2444 Stub.exe Token: SeShutdownPrivilege 2444 Stub.exe Token: SeDebugPrivilege 2548 Stub.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
Stub.exepid process 2444 Stub.exe 2444 Stub.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Stub.exeStub.exedescription pid process target process PID 2444 wrote to memory of 2636 2444 Stub.exe Stub.exe PID 2444 wrote to memory of 2636 2444 Stub.exe Stub.exe PID 2444 wrote to memory of 2636 2444 Stub.exe Stub.exe PID 2444 wrote to memory of 2636 2444 Stub.exe Stub.exe PID 2444 wrote to memory of 2636 2444 Stub.exe Stub.exe PID 2444 wrote to memory of 2636 2444 Stub.exe Stub.exe PID 2444 wrote to memory of 2636 2444 Stub.exe Stub.exe PID 2444 wrote to memory of 2636 2444 Stub.exe Stub.exe PID 2636 wrote to memory of 2548 2636 Stub.exe Stub.exe PID 2636 wrote to memory of 2548 2636 Stub.exe Stub.exe PID 2636 wrote to memory of 2548 2636 Stub.exe Stub.exe PID 2636 wrote to memory of 2548 2636 Stub.exe Stub.exe PID 2636 wrote to memory of 2548 2636 Stub.exe Stub.exe PID 2636 wrote to memory of 2548 2636 Stub.exe Stub.exe PID 2636 wrote to memory of 2548 2636 Stub.exe Stub.exe PID 2636 wrote to memory of 2548 2636 Stub.exe Stub.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Stub.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Users\Admin\AppData\Local\Temp\Stub.exe-a "C:\Users\Admin\AppData\Local\d5b5fbb4\plg\lyQCgVl7.json"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\AppData\Local\Temp\Stub.exe-a "C:\Users\Admin\AppData\Local\Temp\unk.xml"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2548
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
104B
MD54f3bde9212e17ef18226866d6ac739b6
SHA1732733bec8314beb81437e60876ffa75e72ae6cd
SHA256212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174
SHA51210b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744
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Filesize
104B
MD5bf5da170f7c9a8eae88d1cb1a191ff80
SHA1dd1b991a1b03587a5d1edc94e919a2070e325610
SHA256e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd
SHA5129e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e
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Filesize
793KB
MD586114faba7e1ec4a667d2bcb2e23f024
SHA1670df6e1ba1dc6bece046e8b2e573dd36748245e
SHA256568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d
SHA512d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f
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Filesize
98B
MD567efe59fbf8aaf3e8de7d67dab21c2a7
SHA10869d3ea3b16639ed4a0803acea1c476e199b16c
SHA25663ca5c5c3cf4be4765115926225c060d89ef54d6f6fc3ec284cb3ecb398b0cb1
SHA51275f162ff2cc23dd7df018109264f157727fdecc869e3f493e4d0bed26b4429ab00fc9724a5ea420488ba1b4b102a07992357c0d3567c7acea6dd5333cd8cebbb
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Filesize
98B
MD567efe59fbf8aaf3e8de7d67dab21c2a7
SHA10869d3ea3b16639ed4a0803acea1c476e199b16c
SHA25663ca5c5c3cf4be4765115926225c060d89ef54d6f6fc3ec284cb3ecb398b0cb1
SHA51275f162ff2cc23dd7df018109264f157727fdecc869e3f493e4d0bed26b4429ab00fc9724a5ea420488ba1b4b102a07992357c0d3567c7acea6dd5333cd8cebbb
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Filesize
793KB
MD586114faba7e1ec4a667d2bcb2e23f024
SHA1670df6e1ba1dc6bece046e8b2e573dd36748245e
SHA256568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d
SHA512d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f