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Analysis
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max time kernel
120s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2022, 12:52
Static task
static1
Behavioral task
behavioral1
Sample
2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe
Resource
win10v2004-20220901-en
General
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Target
2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe
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Size
358KB
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MD5
2bcab13ba12b586b0c3c2b4579803836
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SHA1
42f0a3f7acfb6b9be5490049b9ca8fd8d4df9553
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SHA256
2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9
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SHA512
8d4647ba1f6cb55061fc36bc606c2978ffe8d28ee8deafc4d40788434c5b21912e1e29ba4ff75243b8d3f21c4fe2de3d51920f0d00a2aac299f6abd519bf4a1e
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SSDEEP
6144:qiZY8hcK7iSZdGLbPhh6OjzfSPP47ITsq:vZYTiZcfFSo7
Malware Config
Signatures
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Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x0001000000022e12-146.dat amadey_cred_module behavioral2/files/0x0001000000022e12-147.dat amadey_cred_module -
Blocklisted process makes network request 1 IoCs
flow pid Process 29 2556 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 4092 rovwer.exe 2480 rovwer.exe 844 rovwer.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation rovwer.exe -
Loads dropped DLL 1 IoCs
pid Process 2556 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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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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Program crash 3 IoCs
pid pid_target Process procid_target 4440 3796 WerFault.exe 65 4204 2480 WerFault.exe 94 3696 844 WerFault.exe 98 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3692 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2556 rundll32.exe 2556 rundll32.exe 2556 rundll32.exe 2556 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3796 wrote to memory of 4092 3796 2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe 85 PID 3796 wrote to memory of 4092 3796 2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe 85 PID 3796 wrote to memory of 4092 3796 2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe 85 PID 4092 wrote to memory of 3692 4092 rovwer.exe 89 PID 4092 wrote to memory of 3692 4092 rovwer.exe 89 PID 4092 wrote to memory of 3692 4092 rovwer.exe 89 PID 4092 wrote to memory of 2556 4092 rovwer.exe 95 PID 4092 wrote to memory of 2556 4092 rovwer.exe 95 PID 4092 wrote to memory of 2556 4092 rovwer.exe 95 -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe"C:\Users\Admin\AppData\Local\Temp\2b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe" /F3⤵
- Creates scheduled task(s)
PID:3692
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:2556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 11322⤵
- Program crash
PID:4440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3796 -ip 37961⤵PID:4064
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
PID:2480 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 4282⤵
- Program crash
PID:4204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2480 -ip 24801⤵PID:2456
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
PID:844 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 4202⤵
- Program crash
PID:3696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 844 -ip 8441⤵PID:4540
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
358KB
MD52bcab13ba12b586b0c3c2b4579803836
SHA142f0a3f7acfb6b9be5490049b9ca8fd8d4df9553
SHA2562b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9
SHA5128d4647ba1f6cb55061fc36bc606c2978ffe8d28ee8deafc4d40788434c5b21912e1e29ba4ff75243b8d3f21c4fe2de3d51920f0d00a2aac299f6abd519bf4a1e
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Filesize
358KB
MD52bcab13ba12b586b0c3c2b4579803836
SHA142f0a3f7acfb6b9be5490049b9ca8fd8d4df9553
SHA2562b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9
SHA5128d4647ba1f6cb55061fc36bc606c2978ffe8d28ee8deafc4d40788434c5b21912e1e29ba4ff75243b8d3f21c4fe2de3d51920f0d00a2aac299f6abd519bf4a1e
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Filesize
358KB
MD52bcab13ba12b586b0c3c2b4579803836
SHA142f0a3f7acfb6b9be5490049b9ca8fd8d4df9553
SHA2562b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9
SHA5128d4647ba1f6cb55061fc36bc606c2978ffe8d28ee8deafc4d40788434c5b21912e1e29ba4ff75243b8d3f21c4fe2de3d51920f0d00a2aac299f6abd519bf4a1e
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Filesize
358KB
MD52bcab13ba12b586b0c3c2b4579803836
SHA142f0a3f7acfb6b9be5490049b9ca8fd8d4df9553
SHA2562b547226e67c6d92e6692fb6fe19f01c7d8113e12e0f2eba1fb5daa563b1c4a9
SHA5128d4647ba1f6cb55061fc36bc606c2978ffe8d28ee8deafc4d40788434c5b21912e1e29ba4ff75243b8d3f21c4fe2de3d51920f0d00a2aac299f6abd519bf4a1e
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Filesize
126KB
MD5522adad0782501491314a78c7f32006b
SHA1e487edceeef3a41e2a8eea1e684bcbc3b39adb97
SHA256351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
SHA5125f8a103deea3ed5f8641d1f4c91a4f891a8208b679cadbfac4a068afbad0d2f777cd29ace4bdfec590e722435473e4f8465fb80d5cda792dc0236646580101a7
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Filesize
126KB
MD5522adad0782501491314a78c7f32006b
SHA1e487edceeef3a41e2a8eea1e684bcbc3b39adb97
SHA256351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
SHA5125f8a103deea3ed5f8641d1f4c91a4f891a8208b679cadbfac4a068afbad0d2f777cd29ace4bdfec590e722435473e4f8465fb80d5cda792dc0236646580101a7