Analysis
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max time kernel
106s -
max time network
161s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 18:01
Static task
static1
Behavioral task
behavioral1
Sample
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe
Resource
win7-20220812-en
General
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Target
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.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 5 IoCs
Processes:
resource yara_rule \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 \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 5 1416 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1752 gntuud.exe 828 gntuud.exe 996 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exerundll32.exepid process 2000 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe 2000 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe 1416 rundll32.exe 1416 rundll32.exe 1416 rundll32.exe 1416 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-1-5-21-2292972927-2705560509-2768824231-1000\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 1416 rundll32.exe 1416 rundll32.exe 1416 rundll32.exe 1416 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exegntuud.exetaskeng.exedescription pid process target process PID 2000 wrote to memory of 1752 2000 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe gntuud.exe PID 2000 wrote to memory of 1752 2000 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe gntuud.exe PID 2000 wrote to memory of 1752 2000 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe gntuud.exe PID 2000 wrote to memory of 1752 2000 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe gntuud.exe PID 1752 wrote to memory of 896 1752 gntuud.exe schtasks.exe PID 1752 wrote to memory of 896 1752 gntuud.exe schtasks.exe PID 1752 wrote to memory of 896 1752 gntuud.exe schtasks.exe PID 1752 wrote to memory of 896 1752 gntuud.exe schtasks.exe PID 1124 wrote to memory of 828 1124 taskeng.exe gntuud.exe PID 1124 wrote to memory of 828 1124 taskeng.exe gntuud.exe PID 1124 wrote to memory of 828 1124 taskeng.exe gntuud.exe PID 1124 wrote to memory of 828 1124 taskeng.exe gntuud.exe PID 1752 wrote to memory of 1416 1752 gntuud.exe rundll32.exe PID 1752 wrote to memory of 1416 1752 gntuud.exe rundll32.exe PID 1752 wrote to memory of 1416 1752 gntuud.exe rundll32.exe PID 1752 wrote to memory of 1416 1752 gntuud.exe rundll32.exe PID 1752 wrote to memory of 1416 1752 gntuud.exe rundll32.exe PID 1752 wrote to memory of 1416 1752 gntuud.exe rundll32.exe PID 1752 wrote to memory of 1416 1752 gntuud.exe rundll32.exe PID 1124 wrote to memory of 996 1124 taskeng.exe gntuud.exe PID 1124 wrote to memory of 996 1124 taskeng.exe gntuud.exe PID 1124 wrote to memory of 996 1124 taskeng.exe gntuud.exe PID 1124 wrote to memory of 996 1124 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe"C:\Users\Admin\AppData\Local\Temp\947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.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 {986C837B-40C3-4679-9CC4-983A3867536F} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\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/828-69-0x0000000000000000-mapping.dmp
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memory/828-72-0x000000000028B000-0x00000000002AA000-memory.dmpFilesize
124KB
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memory/828-73-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/896-63-0x0000000000000000-mapping.dmp
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memory/996-81-0x0000000000000000-mapping.dmp
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memory/996-85-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/996-84-0x000000000030B000-0x000000000032A000-memory.dmpFilesize
124KB
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memory/1416-74-0x0000000000000000-mapping.dmp
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memory/1752-65-0x0000000000C2B000-0x0000000000C4A000-memory.dmpFilesize
124KB
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memory/1752-67-0x0000000000C2B000-0x0000000000C4A000-memory.dmpFilesize
124KB
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memory/1752-66-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/1752-57-0x0000000000000000-mapping.dmp
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memory/1752-68-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/2000-61-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/2000-60-0x0000000000220000-0x000000000025E000-memory.dmpFilesize
248KB
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memory/2000-59-0x0000000000C6B000-0x0000000000C8A000-memory.dmpFilesize
124KB
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memory/2000-54-0x00000000763F1000-0x00000000763F3000-memory.dmpFilesize
8KB