Analysis
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max time kernel
106s -
max time network
144s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
23-11-2022 15:11
Static task
static1
Behavioral task
behavioral1
Sample
936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d.exe
Resource
win10-20220812-en
General
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Target
936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d.exe
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Size
244KB
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MD5
7a8331e1b844501b06c3d67a5f0cebf6
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SHA1
53d57d1fcb402db9de8e9c0fc7ba3b39ca2d2e51
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SHA256
936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d
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SHA512
eef77d48c226d925526c9ae13e46ec69ddb2c5d83f5c9a11019f719d5b61d4079a441e2d3162e0f3a74a32c613790938ca3adf1760d6ea4cd5835f4eef9d4391
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SSDEEP
6144:EudLfC/iudEEQf86MqtI2zodgH+RWhf5SH3H:Eudaiuyf8EI7dgH+4hxSX
Malware Config
Extracted
amadey
3.50
193.56.146.194/h49vlBP/index.php
Signatures
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Detect Amadey credential stealer module 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 8 4784 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 4756 rovwer.exe 4280 rovwer.exe 4532 rovwer.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 4784 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-1-5-21-3844063266-715245855-4050956231-1000\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 4784 rundll32.exe 4784 rundll32.exe 4784 rundll32.exe 4784 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d.exerovwer.exedescription pid process target process PID 2704 wrote to memory of 4756 2704 936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d.exe rovwer.exe PID 2704 wrote to memory of 4756 2704 936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d.exe rovwer.exe PID 2704 wrote to memory of 4756 2704 936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d.exe rovwer.exe PID 4756 wrote to memory of 1136 4756 rovwer.exe schtasks.exe PID 4756 wrote to memory of 1136 4756 rovwer.exe schtasks.exe PID 4756 wrote to memory of 1136 4756 rovwer.exe schtasks.exe PID 4756 wrote to memory of 4784 4756 rovwer.exe rundll32.exe PID 4756 wrote to memory of 4784 4756 rovwer.exe rundll32.exe PID 4756 wrote to memory of 4784 4756 rovwer.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d.exe"C:\Users\Admin\AppData\Local\Temp\936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4756 -
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\50c1695437\rovwer.exe" /F3⤵
- Creates scheduled task(s)
PID:1136
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:4784
-
-
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
PID:4280
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
PID:4532
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
244KB
MD57a8331e1b844501b06c3d67a5f0cebf6
SHA153d57d1fcb402db9de8e9c0fc7ba3b39ca2d2e51
SHA256936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d
SHA512eef77d48c226d925526c9ae13e46ec69ddb2c5d83f5c9a11019f719d5b61d4079a441e2d3162e0f3a74a32c613790938ca3adf1760d6ea4cd5835f4eef9d4391
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Filesize
244KB
MD57a8331e1b844501b06c3d67a5f0cebf6
SHA153d57d1fcb402db9de8e9c0fc7ba3b39ca2d2e51
SHA256936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d
SHA512eef77d48c226d925526c9ae13e46ec69ddb2c5d83f5c9a11019f719d5b61d4079a441e2d3162e0f3a74a32c613790938ca3adf1760d6ea4cd5835f4eef9d4391
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Filesize
244KB
MD57a8331e1b844501b06c3d67a5f0cebf6
SHA153d57d1fcb402db9de8e9c0fc7ba3b39ca2d2e51
SHA256936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d
SHA512eef77d48c226d925526c9ae13e46ec69ddb2c5d83f5c9a11019f719d5b61d4079a441e2d3162e0f3a74a32c613790938ca3adf1760d6ea4cd5835f4eef9d4391
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Filesize
244KB
MD57a8331e1b844501b06c3d67a5f0cebf6
SHA153d57d1fcb402db9de8e9c0fc7ba3b39ca2d2e51
SHA256936d486812d594b81974dda463ddbd8967295902bea8f87b5cf4d6cd7e1c3a7d
SHA512eef77d48c226d925526c9ae13e46ec69ddb2c5d83f5c9a11019f719d5b61d4079a441e2d3162e0f3a74a32c613790938ca3adf1760d6ea4cd5835f4eef9d4391
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Filesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029
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Filesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029