Analysis
- max time kernel
126s - max time network
150s - platform
windows7_x64 - resource
win7-20220414-en - submitted
27/06/2022, 15:24
Static task
static1
Behavioral task
behavioral1
Sample
dc32a756f72f0c34d438e4b23980d319.exe
Resource
win7-20220414-en
0 signatures
0 seconds
General
- Target dc32a756f72f0c34d438e4b23980d319.exe
- Size 358KB
- Sample220627-ss2flacbcr
- SHA256 6c641a565c3c0965aa0807c0dc28884c070f5aa47ccc53c3bbaac565123e6a93
- MD5 dc32a756f72f0c34d438e4b23980d319
- SHA1 0d3efbbf7c6f2b97092699a30254a9c2b6c2b89b
- SHA512 659abfd08223ad4b6e5937525e1aee02dcc0d0882c6ecc5c8b2ea1fbdcd8e0f43c499410817d47db88bef68b0990c97555abbc16224ecf7e6b01578e20526453
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
amadey
Version
-
3.21
C2
-
185.215.113.15/Lkb2dxj3/index.php
Signatures
- Detect Amadey credential stealer module 6 IoCs
resource yara_rule behavioral1/files/0x000800000001230f-79.dat amadey_cred_module behavioral1/files/0x000800000001230f-81.dat amadey_cred_module behavioral1/memory/1912-84-0x00000000001C0000-0x00000000001E4000-memory.dmp amadey_cred_module behavioral1/files/0x000800000001230f-83.dat amadey_cred_module behavioral1/files/0x000800000001230f-82.dat amadey_cred_module behavioral1/files/0x000800000001230f-80.dat amadey_cred_module - suricata: ET MALWARE Amadey CnC Check-In
suricata: ET MALWARE Amadey CnC Check-In
- Blocklisted process makes network request 1 IoCs
flow pid Process 9 1912 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 1660 bguuwe.exe 740 bguuwe.exe 1448 bguuwe.exe - Loads dropped DLL 6 IoCs
pid Process 1092 dc32a756f72f0c34d438e4b23980d319.exe 1092 dc32a756f72f0c34d438e4b23980d319.exe 1912 rundll32.exe 1912 rundll32.exe 1912 rundll32.exe 1912 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.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2044 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1912 rundll32.exe 1912 rundll32.exe 1912 rundll32.exe 1912 rundll32.exe - Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 1092 wrote to memory of 1660 1092 dc32a756f72f0c34d438e4b23980d319.exe 28 PID 1092 wrote to memory of 1660 1092 dc32a756f72f0c34d438e4b23980d319.exe 28 PID 1092 wrote to memory of 1660 1092 dc32a756f72f0c34d438e4b23980d319.exe 28 PID 1092 wrote to memory of 1660 1092 dc32a756f72f0c34d438e4b23980d319.exe 28 PID 1660 wrote to memory of 944 1660 bguuwe.exe 29 PID 1660 wrote to memory of 944 1660 bguuwe.exe 29 PID 1660 wrote to memory of 944 1660 bguuwe.exe 29 PID 1660 wrote to memory of 944 1660 bguuwe.exe 29 PID 1660 wrote to memory of 2044 1660 bguuwe.exe 31 PID 1660 wrote to memory of 2044 1660 bguuwe.exe 31 PID 1660 wrote to memory of 2044 1660 bguuwe.exe 31 PID 1660 wrote to memory of 2044 1660 bguuwe.exe 31 PID 944 wrote to memory of 1320 944 cmd.exe 33 PID 944 wrote to memory of 1320 944 cmd.exe 33 PID 944 wrote to memory of 1320 944 cmd.exe 33 PID 944 wrote to memory of 1320 944 cmd.exe 33 PID 1900 wrote to memory of 740 1900 taskeng.exe 37 PID 1900 wrote to memory of 740 1900 taskeng.exe 37 PID 1900 wrote to memory of 740 1900 taskeng.exe 37 PID 1900 wrote to memory of 740 1900 taskeng.exe 37 PID 1660 wrote to memory of 1912 1660 bguuwe.exe 38 PID 1660 wrote to memory of 1912 1660 bguuwe.exe 38 PID 1660 wrote to memory of 1912 1660 bguuwe.exe 38 PID 1660 wrote to memory of 1912 1660 bguuwe.exe 38 PID 1660 wrote to memory of 1912 1660 bguuwe.exe 38 PID 1660 wrote to memory of 1912 1660 bguuwe.exe 38 PID 1660 wrote to memory of 1912 1660 bguuwe.exe 38 PID 1900 wrote to memory of 1448 1900 taskeng.exe 39 PID 1900 wrote to memory of 1448 1900 taskeng.exe 39 PID 1900 wrote to memory of 1448 1900 taskeng.exe 39 PID 1900 wrote to memory of 1448 1900 taskeng.exe 39 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\dc32a756f72f0c34d438e4b23980d319.exe"C:\Users\Admin\AppData\Local\Temp\dc32a756f72f0c34d438e4b23980d319.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe"C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\62eca45584\3⤵
- Suspicious use of WriteProcessMemory
PID:944 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\62eca45584\4⤵PID:1320
-
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN bguuwe.exe /TR "C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe" /F3⤵
- Creates scheduled task(s)
PID:2044
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\110809d565579c\cred.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:1912
-
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {23A95938-BF46-4B44-8949-94334511FC76} S-1-5-21-2277218442-1199762539-2004043321-1000:AUVQQRRF\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exeC:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe2⤵
- Executes dropped EXE
PID:740
-
-
C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exeC:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe2⤵
- Executes dropped EXE
PID:1448
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe
- Size 358KB
- SHA256 6c641a565c3c0965aa0807c0dc28884c070f5aa47ccc53c3bbaac565123e6a93
- MD5 dc32a756f72f0c34d438e4b23980d319
- SHA1 0d3efbbf7c6f2b97092699a30254a9c2b6c2b89b
- SHA512 659abfd08223ad4b6e5937525e1aee02dcc0d0882c6ecc5c8b2ea1fbdcd8e0f43c499410817d47db88bef68b0990c97555abbc16224ecf7e6b01578e20526453
- SSDEEP 6144:2SdmM6g7y+k3EMhk6OGrwwo3EnaREBhZ2WAC/0EXGoz4yDYJTkT3fcs9f:5UMBTrMhkzswwo3XKBhQvCzoyDYJTkTB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe
- Size 358KB
- SHA256 6c641a565c3c0965aa0807c0dc28884c070f5aa47ccc53c3bbaac565123e6a93
- MD5 dc32a756f72f0c34d438e4b23980d319
- SHA1 0d3efbbf7c6f2b97092699a30254a9c2b6c2b89b
- SHA512 659abfd08223ad4b6e5937525e1aee02dcc0d0882c6ecc5c8b2ea1fbdcd8e0f43c499410817d47db88bef68b0990c97555abbc16224ecf7e6b01578e20526453
- SSDEEP 6144:2SdmM6g7y+k3EMhk6OGrwwo3EnaREBhZ2WAC/0EXGoz4yDYJTkT3fcs9f:5UMBTrMhkzswwo3XKBhQvCzoyDYJTkTB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe
- Size 358KB
- SHA256 6c641a565c3c0965aa0807c0dc28884c070f5aa47ccc53c3bbaac565123e6a93
- MD5 dc32a756f72f0c34d438e4b23980d319
- SHA1 0d3efbbf7c6f2b97092699a30254a9c2b6c2b89b
- SHA512 659abfd08223ad4b6e5937525e1aee02dcc0d0882c6ecc5c8b2ea1fbdcd8e0f43c499410817d47db88bef68b0990c97555abbc16224ecf7e6b01578e20526453
- SSDEEP 6144:2SdmM6g7y+k3EMhk6OGrwwo3EnaREBhZ2WAC/0EXGoz4yDYJTkT3fcs9f:5UMBTrMhkzswwo3XKBhQvCzoyDYJTkTB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe
- Size 358KB
- SHA256 6c641a565c3c0965aa0807c0dc28884c070f5aa47ccc53c3bbaac565123e6a93
- MD5 dc32a756f72f0c34d438e4b23980d319
- SHA1 0d3efbbf7c6f2b97092699a30254a9c2b6c2b89b
- SHA512 659abfd08223ad4b6e5937525e1aee02dcc0d0882c6ecc5c8b2ea1fbdcd8e0f43c499410817d47db88bef68b0990c97555abbc16224ecf7e6b01578e20526453
- SSDEEP 6144:2SdmM6g7y+k3EMhk6OGrwwo3EnaREBhZ2WAC/0EXGoz4yDYJTkT3fcs9f:5UMBTrMhkzswwo3XKBhQvCzoyDYJTkTB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\110809d565579c\cred.dll
- Size 126KB
- SHA256 e49833410fea53f166523cc960fc7d60ddfcf60d0fc2024e68dbabab27ce8313
- MD5 e507e6d6e53146d7c7d7560845d7b51c
- SHA1 12dfec1df517037846dea8044a0edc409b790a13
- SHA512 f81d8232ea61e94dc139eccd2f9246727eb569776f9bef8e25bbb4d7abe2b796ea740ccffaf1b2dd7a01e9dddb51180ca12e563ff4e7a2604f4503ebeed0d29e
- SSDEEP 3072:Qx7p5EJTJ0/DL5nr0Z2fgnXKSxN07IXauEed0Kj6a9:Qx7810/DJ0Z2fjgrEeR
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe
- Size 358KB
- SHA256 6c641a565c3c0965aa0807c0dc28884c070f5aa47ccc53c3bbaac565123e6a93
- MD5 dc32a756f72f0c34d438e4b23980d319
- SHA1 0d3efbbf7c6f2b97092699a30254a9c2b6c2b89b
- SHA512 659abfd08223ad4b6e5937525e1aee02dcc0d0882c6ecc5c8b2ea1fbdcd8e0f43c499410817d47db88bef68b0990c97555abbc16224ecf7e6b01578e20526453
- SSDEEP 6144:2SdmM6g7y+k3EMhk6OGrwwo3EnaREBhZ2WAC/0EXGoz4yDYJTkT3fcs9f:5UMBTrMhkzswwo3XKBhQvCzoyDYJTkTB
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\62eca45584\bguuwe.exe
- Size 358KB
- SHA256 6c641a565c3c0965aa0807c0dc28884c070f5aa47ccc53c3bbaac565123e6a93
- MD5 dc32a756f72f0c34d438e4b23980d319
- SHA1 0d3efbbf7c6f2b97092699a30254a9c2b6c2b89b
- SHA512 659abfd08223ad4b6e5937525e1aee02dcc0d0882c6ecc5c8b2ea1fbdcd8e0f43c499410817d47db88bef68b0990c97555abbc16224ecf7e6b01578e20526453
- SSDEEP 6144:2SdmM6g7y+k3EMhk6OGrwwo3EnaREBhZ2WAC/0EXGoz4yDYJTkT3fcs9f:5UMBTrMhkzswwo3XKBhQvCzoyDYJTkTB
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\110809d565579c\cred.dll
- Size 126KB
- SHA256 e49833410fea53f166523cc960fc7d60ddfcf60d0fc2024e68dbabab27ce8313
- MD5 e507e6d6e53146d7c7d7560845d7b51c
- SHA1 12dfec1df517037846dea8044a0edc409b790a13
- SHA512 f81d8232ea61e94dc139eccd2f9246727eb569776f9bef8e25bbb4d7abe2b796ea740ccffaf1b2dd7a01e9dddb51180ca12e563ff4e7a2604f4503ebeed0d29e
- SSDEEP 3072:Qx7p5EJTJ0/DL5nr0Z2fgnXKSxN07IXauEed0Kj6a9:Qx7810/DJ0Z2fjgrEeR
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\110809d565579c\cred.dll
- Size 126KB
- SHA256 e49833410fea53f166523cc960fc7d60ddfcf60d0fc2024e68dbabab27ce8313
- MD5 e507e6d6e53146d7c7d7560845d7b51c
- SHA1 12dfec1df517037846dea8044a0edc409b790a13
- SHA512 f81d8232ea61e94dc139eccd2f9246727eb569776f9bef8e25bbb4d7abe2b796ea740ccffaf1b2dd7a01e9dddb51180ca12e563ff4e7a2604f4503ebeed0d29e
- SSDEEP 3072:Qx7p5EJTJ0/DL5nr0Z2fgnXKSxN07IXauEed0Kj6a9:Qx7810/DJ0Z2fjgrEeR
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\110809d565579c\cred.dll
- Size 126KB
- SHA256 e49833410fea53f166523cc960fc7d60ddfcf60d0fc2024e68dbabab27ce8313
- MD5 e507e6d6e53146d7c7d7560845d7b51c
- SHA1 12dfec1df517037846dea8044a0edc409b790a13
- SHA512 f81d8232ea61e94dc139eccd2f9246727eb569776f9bef8e25bbb4d7abe2b796ea740ccffaf1b2dd7a01e9dddb51180ca12e563ff4e7a2604f4503ebeed0d29e
- SSDEEP 3072:Qx7p5EJTJ0/DL5nr0Z2fgnXKSxN07IXauEed0Kj6a9:Qx7810/DJ0Z2fjgrEeR
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\110809d565579c\cred.dll
- Size 126KB
- SHA256 e49833410fea53f166523cc960fc7d60ddfcf60d0fc2024e68dbabab27ce8313
- MD5 e507e6d6e53146d7c7d7560845d7b51c
- SHA1 12dfec1df517037846dea8044a0edc409b790a13
- SHA512 f81d8232ea61e94dc139eccd2f9246727eb569776f9bef8e25bbb4d7abe2b796ea740ccffaf1b2dd7a01e9dddb51180ca12e563ff4e7a2604f4503ebeed0d29e
- SSDEEP 3072:Qx7p5EJTJ0/DL5nr0Z2fgnXKSxN07IXauEed0Kj6a9:Qx7810/DJ0Z2fjgrEeR
- MD5 SHA1 SHA512 SSDEEP