Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
23-11-2022 13:35
Static task
static1
Behavioral task
behavioral1
Sample
e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332.exe
Resource
win10-20220901-en
General
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Target
e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332.exe
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Size
244KB
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MD5
fe4f1ee66700b56d1795b8e7bc62780a
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SHA1
09be7a36c8cc12e22d68ad53c10c688016af8338
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SHA256
e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332
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SHA512
dd2fa345c90dcf87f592b6a33fd8d01032e0a6d0b942de47ea0426a20c5f4175cbaa35609bff736ee91ee433295600eef092aac9f95ef72189b5d63361c65813
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SSDEEP
6144:zNFLiuRDMkV6N6zSnfemRk45ekrESNNUe:zNFnRDMGsnfemRVc3SNNB
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 3140 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
rovwer.exerovwer.exerovwer.exepid process 4624 rovwer.exe 4192 rovwer.exe 5044 rovwer.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 3140 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-1-5-21-2368682536-4045190062-1465778271-1000\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 3140 rundll32.exe 3140 rundll32.exe 3140 rundll32.exe 3140 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332.exerovwer.exedescription pid process target process PID 4944 wrote to memory of 4624 4944 e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332.exe rovwer.exe PID 4944 wrote to memory of 4624 4944 e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332.exe rovwer.exe PID 4944 wrote to memory of 4624 4944 e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332.exe rovwer.exe PID 4624 wrote to memory of 2760 4624 rovwer.exe schtasks.exe PID 4624 wrote to memory of 2760 4624 rovwer.exe schtasks.exe PID 4624 wrote to memory of 2760 4624 rovwer.exe schtasks.exe PID 4624 wrote to memory of 3140 4624 rovwer.exe rundll32.exe PID 4624 wrote to memory of 3140 4624 rovwer.exe rundll32.exe PID 4624 wrote to memory of 3140 4624 rovwer.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332.exe"C:\Users\Admin\AppData\Local\Temp\e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4944 -
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:4624 -
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:2760 -
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:3140
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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:4192
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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:5044
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
244KB
MD5fe4f1ee66700b56d1795b8e7bc62780a
SHA109be7a36c8cc12e22d68ad53c10c688016af8338
SHA256e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332
SHA512dd2fa345c90dcf87f592b6a33fd8d01032e0a6d0b942de47ea0426a20c5f4175cbaa35609bff736ee91ee433295600eef092aac9f95ef72189b5d63361c65813
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Filesize
244KB
MD5fe4f1ee66700b56d1795b8e7bc62780a
SHA109be7a36c8cc12e22d68ad53c10c688016af8338
SHA256e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332
SHA512dd2fa345c90dcf87f592b6a33fd8d01032e0a6d0b942de47ea0426a20c5f4175cbaa35609bff736ee91ee433295600eef092aac9f95ef72189b5d63361c65813
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Filesize
244KB
MD5fe4f1ee66700b56d1795b8e7bc62780a
SHA109be7a36c8cc12e22d68ad53c10c688016af8338
SHA256e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332
SHA512dd2fa345c90dcf87f592b6a33fd8d01032e0a6d0b942de47ea0426a20c5f4175cbaa35609bff736ee91ee433295600eef092aac9f95ef72189b5d63361c65813
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Filesize
244KB
MD5fe4f1ee66700b56d1795b8e7bc62780a
SHA109be7a36c8cc12e22d68ad53c10c688016af8338
SHA256e99a9cfdf01caca0efdd6bb38d5ba59a9b32cf1c6f71e7fdb43e0e662457d332
SHA512dd2fa345c90dcf87f592b6a33fd8d01032e0a6d0b942de47ea0426a20c5f4175cbaa35609bff736ee91ee433295600eef092aac9f95ef72189b5d63361c65813
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Filesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029
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Filesize
126KB
MD5674cec24e36e0dfaec6290db96dda86e
SHA1581e3a7a541cc04641e751fc850d92e07236681f
SHA256de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
SHA5126d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029