Analysis
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max time kernel
156s -
max time network
197s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 15:36
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
207KB
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MD5
15fadd4c98f375e135c1a8b68f4f18aa
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SHA1
69d48006b3397a3d8d6627de975b7869fd9ebcca
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SHA256
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
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SHA512
d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
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SSDEEP
3072:TFjTRNZeAmkSn5nxXub/RJhYsHmVJRKn/7rB8zv35jP7tXXnM7Wt:9TRuAmkAXm/vUVJeSVbBXXMu
Malware Config
Extracted
amadey
3.50
31.41.244.17/hfk3vK9/index.php
Signatures
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Detect Amadey credential stealer module 6 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module behavioral1/memory/816-81-0x0000000000160000-0x0000000000184000-memory.dmp amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 6 816 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 564 gntuud.exe 876 gntuud.exe 1792 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 2040 file.exe 2040 file.exe 816 rundll32.exe 816 rundll32.exe 816 rundll32.exe 816 rundll32.exe -
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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Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 816 rundll32.exe 816 rundll32.exe 816 rundll32.exe 816 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 2040 wrote to memory of 564 2040 file.exe gntuud.exe PID 2040 wrote to memory of 564 2040 file.exe gntuud.exe PID 2040 wrote to memory of 564 2040 file.exe gntuud.exe PID 2040 wrote to memory of 564 2040 file.exe gntuud.exe PID 564 wrote to memory of 596 564 gntuud.exe schtasks.exe PID 564 wrote to memory of 596 564 gntuud.exe schtasks.exe PID 564 wrote to memory of 596 564 gntuud.exe schtasks.exe PID 564 wrote to memory of 596 564 gntuud.exe schtasks.exe PID 840 wrote to memory of 876 840 taskeng.exe gntuud.exe PID 840 wrote to memory of 876 840 taskeng.exe gntuud.exe PID 840 wrote to memory of 876 840 taskeng.exe gntuud.exe PID 840 wrote to memory of 876 840 taskeng.exe gntuud.exe PID 564 wrote to memory of 816 564 gntuud.exe rundll32.exe PID 564 wrote to memory of 816 564 gntuud.exe rundll32.exe PID 564 wrote to memory of 816 564 gntuud.exe rundll32.exe PID 564 wrote to memory of 816 564 gntuud.exe rundll32.exe PID 564 wrote to memory of 816 564 gntuud.exe rundll32.exe PID 564 wrote to memory of 816 564 gntuud.exe rundll32.exe PID 564 wrote to memory of 816 564 gntuud.exe rundll32.exe PID 840 wrote to memory of 1792 840 taskeng.exe gntuud.exe PID 840 wrote to memory of 1792 840 taskeng.exe gntuud.exe PID 840 wrote to memory of 1792 840 taskeng.exe gntuud.exe PID 840 wrote to memory of 1792 840 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
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C:\Windows\system32\taskeng.exetaskeng.exe {7DDEAE8D-81B9-4F60-9416-BD8EF4F984D1} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
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C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
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\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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memory/564-59-0x0000000000000000-mapping.dmp
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memory/564-67-0x0000000000CAB000-0x0000000000CCA000-memory.dmpFilesize
124KB
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memory/564-68-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/596-65-0x0000000000000000-mapping.dmp
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memory/816-81-0x0000000000160000-0x0000000000184000-memory.dmpFilesize
144KB
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memory/816-71-0x0000000000000000-mapping.dmp
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memory/876-69-0x0000000000000000-mapping.dmp
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memory/876-74-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/876-73-0x0000000000C5B000-0x0000000000C7A000-memory.dmpFilesize
124KB
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memory/1792-82-0x0000000000000000-mapping.dmp
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memory/1792-86-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/2040-54-0x0000000076381000-0x0000000076383000-memory.dmpFilesize
8KB
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memory/2040-63-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/2040-62-0x0000000000240000-0x000000000027E000-memory.dmpFilesize
248KB
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memory/2040-61-0x0000000000CDB000-0x0000000000CFA000-memory.dmpFilesize
124KB
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memory/2040-56-0x0000000000240000-0x000000000027E000-memory.dmpFilesize
248KB
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memory/2040-55-0x0000000000CDB000-0x0000000000CFA000-memory.dmpFilesize
124KB