Analysis
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max time kernel
152s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
14-07-2022 02:21
Static task
static1
Behavioral task
behavioral1
Sample
48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe
Resource
win10v2004-20220414-en
General
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Target
48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe
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Size
1.2MB
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MD5
62fd68d0b6c7b628fc1688a74f5a812e
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SHA1
0b20f1242605bd33de07c10cb950daa35502c2ef
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SHA256
48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69
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SHA512
6debd7cd91fd9666e4ed6129f011586d1b9f0500afc95f683cff472e31a334cd9080d4b5c2a8058cbd3b32ceb40fb5c42510e3c13524fc9d586ca9ca1b805291
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" filedill.exe -
NirSoft MailPassView 10 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/768-68-0x000000000010FD2E-mapping.dmp MailPassView behavioral1/memory/768-67-0x0000000000090000-0x0000000000114000-memory.dmp MailPassView behavioral1/memory/768-72-0x0000000000090000-0x0000000000114000-memory.dmp MailPassView behavioral1/memory/768-70-0x0000000000090000-0x0000000000114000-memory.dmp MailPassView behavioral1/memory/1240-77-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1240-76-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1240-80-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1240-83-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/768-82-0x0000000000260000-0x00000000002A0000-memory.dmp MailPassView behavioral1/memory/1240-84-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 9 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/768-68-0x000000000010FD2E-mapping.dmp WebBrowserPassView behavioral1/memory/768-67-0x0000000000090000-0x0000000000114000-memory.dmp WebBrowserPassView behavioral1/memory/768-72-0x0000000000090000-0x0000000000114000-memory.dmp WebBrowserPassView behavioral1/memory/768-70-0x0000000000090000-0x0000000000114000-memory.dmp WebBrowserPassView behavioral1/memory/768-82-0x0000000000260000-0x00000000002A0000-memory.dmp WebBrowserPassView behavioral1/memory/1264-85-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1264-86-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1264-89-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1264-92-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 14 IoCs
resource yara_rule behavioral1/memory/768-68-0x000000000010FD2E-mapping.dmp Nirsoft behavioral1/memory/768-67-0x0000000000090000-0x0000000000114000-memory.dmp Nirsoft behavioral1/memory/768-72-0x0000000000090000-0x0000000000114000-memory.dmp Nirsoft behavioral1/memory/768-70-0x0000000000090000-0x0000000000114000-memory.dmp Nirsoft behavioral1/memory/1240-77-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1240-76-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1240-80-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1240-83-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/768-82-0x0000000000260000-0x00000000002A0000-memory.dmp Nirsoft behavioral1/memory/1240-84-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1264-85-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1264-86-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1264-89-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1264-92-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 1 IoCs
pid Process 1564 filedill.exe -
Loads dropped DLL 4 IoCs
pid Process 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RUN filedill.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run filedill.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce filedill.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\5f91zhv917s = "C:\\Users\\Admin\\5f91zhv917s\\27314.vbs" filedill.exe Key deleted \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RUN filedill.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run filedill.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA filedill.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 whatismyipaddress.com 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1564 set thread context of 768 1564 filedill.exe 29 PID 768 set thread context of 1240 768 RegSvcs.exe 31 PID 768 set thread context of 1264 768 RegSvcs.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe 1564 filedill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 768 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 768 RegSvcs.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 1828 wrote to memory of 1564 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 28 PID 1828 wrote to memory of 1564 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 28 PID 1828 wrote to memory of 1564 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 28 PID 1828 wrote to memory of 1564 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 28 PID 1828 wrote to memory of 1564 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 28 PID 1828 wrote to memory of 1564 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 28 PID 1828 wrote to memory of 1564 1828 48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe 28 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 1564 wrote to memory of 768 1564 filedill.exe 29 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1240 768 RegSvcs.exe 31 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32 PID 768 wrote to memory of 1264 768 RegSvcs.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe"C:\Users\Admin\AppData\Local\Temp\48a4c9c13b2611401fc3b4041f6383591ced4990afd44ef11b3491b52b5ccc69.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Users\Admin\5f91zhv917s\filedill.exe"C:\Users\Admin\5f91zhv917s\filedill.exe" sGWSpzZJk.EPB2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1564 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"4⤵
- Accesses Microsoft Outlook accounts
PID:1240
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"4⤵PID:1264
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
507KB
MD5605b7402eb5f40b452daab94f834439a
SHA17f8cb93eb30a58a98eac4b7b45e1d950c68c85a0
SHA25640536530c2cede3feb47eb50ebbb5fca2a7073e360f64061272cf63d067adefb
SHA512838a92b8d8f171de6a5da5f14d7b0e6091595a6d2396c3aaea8dc6b9e45258f1c00e3922720a32aa08d32bae7cf8b3d1cf614ca87d49162b478fc9fb535fb854
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Filesize
172B
MD56d2b5961513fbfead0812748aeb09381
SHA1f69f91921b16fc69db804eab06d6a17fb53cbcac
SHA2568eeae059933dbd5dc9d29b8f0d3a61899e7a2ba7a18cb6e705704d7c44712494
SHA51259fc96a7f399f2cc8ed0eb6183e7c587baa27964fcda62bb4697db80b6ab29f1552d4409fe72d49547f157b4d91bf10449de72e72ba43f133be644062aad61d0
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Filesize
915KB
MD5e01ced5c12390ff5256694eda890b33a
SHA10bb74a9d3154d1269e5e456aa41e94b60f753f78
SHA25666c1f3e71685f81f836e29e77844c737ceaa47ff787d6b233b05166973fa73ba
SHA51293a35ef3749826c1256c4de0fffe099374dbc5cd3d8eccf22690cf2a4c7e63b508ddbe4e412758a84f9c6e9478b5173a6cf93606779af18542d5a2937183219d
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Filesize
28.8MB
MD54af295d2ccc2981b3093333cde1b8131
SHA1c88e42edf0c1534212a339c49b897d0851cd9a03
SHA256e5760e240f0cfec622d45e0b3e2d7301c22fefe702a3ef74b1e50ef9cf13dfdd
SHA512f65818f0bf8df87901b5b0ddcc2d32326fbeef80c956cec85e2967782cbe7ca98873d4047c9f699de28505bfdaf0b330a432788259f73b38d036a92a2f88de25
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
915KB
MD5e01ced5c12390ff5256694eda890b33a
SHA10bb74a9d3154d1269e5e456aa41e94b60f753f78
SHA25666c1f3e71685f81f836e29e77844c737ceaa47ff787d6b233b05166973fa73ba
SHA51293a35ef3749826c1256c4de0fffe099374dbc5cd3d8eccf22690cf2a4c7e63b508ddbe4e412758a84f9c6e9478b5173a6cf93606779af18542d5a2937183219d
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Filesize
915KB
MD5e01ced5c12390ff5256694eda890b33a
SHA10bb74a9d3154d1269e5e456aa41e94b60f753f78
SHA25666c1f3e71685f81f836e29e77844c737ceaa47ff787d6b233b05166973fa73ba
SHA51293a35ef3749826c1256c4de0fffe099374dbc5cd3d8eccf22690cf2a4c7e63b508ddbe4e412758a84f9c6e9478b5173a6cf93606779af18542d5a2937183219d
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Filesize
915KB
MD5e01ced5c12390ff5256694eda890b33a
SHA10bb74a9d3154d1269e5e456aa41e94b60f753f78
SHA25666c1f3e71685f81f836e29e77844c737ceaa47ff787d6b233b05166973fa73ba
SHA51293a35ef3749826c1256c4de0fffe099374dbc5cd3d8eccf22690cf2a4c7e63b508ddbe4e412758a84f9c6e9478b5173a6cf93606779af18542d5a2937183219d
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Filesize
915KB
MD5e01ced5c12390ff5256694eda890b33a
SHA10bb74a9d3154d1269e5e456aa41e94b60f753f78
SHA25666c1f3e71685f81f836e29e77844c737ceaa47ff787d6b233b05166973fa73ba
SHA51293a35ef3749826c1256c4de0fffe099374dbc5cd3d8eccf22690cf2a4c7e63b508ddbe4e412758a84f9c6e9478b5173a6cf93606779af18542d5a2937183219d