Analysis
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max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-08-2024 00:11
Static task
static1
Behavioral task
behavioral1
Sample
yourmom.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
yourmom.exe
Resource
win10v2004-20240802-en
General
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Target
yourmom.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD5A2A.tmp yourmom.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5A40.tmp yourmom.exe -
Executes dropped EXE 4 IoCs
pid Process 4324 !WannaDecryptor!.exe 3036 !WannaDecryptor!.exe 4168 !WannaDecryptor!.exe 2264 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\yourmom.exe\" /r" yourmom.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yourmom.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe -
Kills process with taskkill 4 IoCs
pid Process 2564 taskkill.exe 4812 taskkill.exe 2116 taskkill.exe 3724 taskkill.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 2116 taskkill.exe Token: SeDebugPrivilege 3724 taskkill.exe Token: SeDebugPrivilege 2564 taskkill.exe Token: SeDebugPrivilege 4812 taskkill.exe Token: SeIncreaseQuotaPrivilege 3932 WMIC.exe Token: SeSecurityPrivilege 3932 WMIC.exe Token: SeTakeOwnershipPrivilege 3932 WMIC.exe Token: SeLoadDriverPrivilege 3932 WMIC.exe Token: SeSystemProfilePrivilege 3932 WMIC.exe Token: SeSystemtimePrivilege 3932 WMIC.exe Token: SeProfSingleProcessPrivilege 3932 WMIC.exe Token: SeIncBasePriorityPrivilege 3932 WMIC.exe Token: SeCreatePagefilePrivilege 3932 WMIC.exe Token: SeBackupPrivilege 3932 WMIC.exe Token: SeRestorePrivilege 3932 WMIC.exe Token: SeShutdownPrivilege 3932 WMIC.exe Token: SeDebugPrivilege 3932 WMIC.exe Token: SeSystemEnvironmentPrivilege 3932 WMIC.exe Token: SeRemoteShutdownPrivilege 3932 WMIC.exe Token: SeUndockPrivilege 3932 WMIC.exe Token: SeManageVolumePrivilege 3932 WMIC.exe Token: 33 3932 WMIC.exe Token: 34 3932 WMIC.exe Token: 35 3932 WMIC.exe Token: 36 3932 WMIC.exe Token: SeIncreaseQuotaPrivilege 3932 WMIC.exe Token: SeSecurityPrivilege 3932 WMIC.exe Token: SeTakeOwnershipPrivilege 3932 WMIC.exe Token: SeLoadDriverPrivilege 3932 WMIC.exe Token: SeSystemProfilePrivilege 3932 WMIC.exe Token: SeSystemtimePrivilege 3932 WMIC.exe Token: SeProfSingleProcessPrivilege 3932 WMIC.exe Token: SeIncBasePriorityPrivilege 3932 WMIC.exe Token: SeCreatePagefilePrivilege 3932 WMIC.exe Token: SeBackupPrivilege 3932 WMIC.exe Token: SeRestorePrivilege 3932 WMIC.exe Token: SeShutdownPrivilege 3932 WMIC.exe Token: SeDebugPrivilege 3932 WMIC.exe Token: SeSystemEnvironmentPrivilege 3932 WMIC.exe Token: SeRemoteShutdownPrivilege 3932 WMIC.exe Token: SeUndockPrivilege 3932 WMIC.exe Token: SeManageVolumePrivilege 3932 WMIC.exe Token: 33 3932 WMIC.exe Token: 34 3932 WMIC.exe Token: 35 3932 WMIC.exe Token: 36 3932 WMIC.exe Token: SeBackupPrivilege 3236 vssvc.exe Token: SeRestorePrivilege 3236 vssvc.exe Token: SeAuditPrivilege 3236 vssvc.exe -
Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 4324 !WannaDecryptor!.exe 4324 !WannaDecryptor!.exe 3036 !WannaDecryptor!.exe 3036 !WannaDecryptor!.exe 4168 !WannaDecryptor!.exe 4168 !WannaDecryptor!.exe 2264 !WannaDecryptor!.exe 2264 !WannaDecryptor!.exe 4528 OpenWith.exe 644 OpenWith.exe 4552 OpenWith.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2280 wrote to memory of 4144 2280 yourmom.exe 91 PID 2280 wrote to memory of 4144 2280 yourmom.exe 91 PID 2280 wrote to memory of 4144 2280 yourmom.exe 91 PID 4144 wrote to memory of 3504 4144 cmd.exe 93 PID 4144 wrote to memory of 3504 4144 cmd.exe 93 PID 4144 wrote to memory of 3504 4144 cmd.exe 93 PID 2280 wrote to memory of 4324 2280 yourmom.exe 97 PID 2280 wrote to memory of 4324 2280 yourmom.exe 97 PID 2280 wrote to memory of 4324 2280 yourmom.exe 97 PID 2280 wrote to memory of 2564 2280 yourmom.exe 98 PID 2280 wrote to memory of 2564 2280 yourmom.exe 98 PID 2280 wrote to memory of 2564 2280 yourmom.exe 98 PID 2280 wrote to memory of 4812 2280 yourmom.exe 99 PID 2280 wrote to memory of 4812 2280 yourmom.exe 99 PID 2280 wrote to memory of 4812 2280 yourmom.exe 99 PID 2280 wrote to memory of 2116 2280 yourmom.exe 100 PID 2280 wrote to memory of 2116 2280 yourmom.exe 100 PID 2280 wrote to memory of 2116 2280 yourmom.exe 100 PID 2280 wrote to memory of 3724 2280 yourmom.exe 101 PID 2280 wrote to memory of 3724 2280 yourmom.exe 101 PID 2280 wrote to memory of 3724 2280 yourmom.exe 101 PID 2280 wrote to memory of 3036 2280 yourmom.exe 113 PID 2280 wrote to memory of 3036 2280 yourmom.exe 113 PID 2280 wrote to memory of 3036 2280 yourmom.exe 113 PID 2280 wrote to memory of 4412 2280 yourmom.exe 114 PID 2280 wrote to memory of 4412 2280 yourmom.exe 114 PID 2280 wrote to memory of 4412 2280 yourmom.exe 114 PID 4412 wrote to memory of 4168 4412 cmd.exe 116 PID 4412 wrote to memory of 4168 4412 cmd.exe 116 PID 4412 wrote to memory of 4168 4412 cmd.exe 116 PID 2280 wrote to memory of 2264 2280 yourmom.exe 120 PID 2280 wrote to memory of 2264 2280 yourmom.exe 120 PID 2280 wrote to memory of 2264 2280 yourmom.exe 120 PID 4168 wrote to memory of 704 4168 !WannaDecryptor!.exe 121 PID 4168 wrote to memory of 704 4168 !WannaDecryptor!.exe 121 PID 4168 wrote to memory of 704 4168 !WannaDecryptor!.exe 121 PID 704 wrote to memory of 3932 704 cmd.exe 123 PID 704 wrote to memory of 3932 704 cmd.exe 123 PID 704 wrote to memory of 3932 704 cmd.exe 123 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\yourmom.exe"C:\Users\Admin\AppData\Local\Temp\yourmom.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 38681724976725.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:3504
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4324
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2564
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4812
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2116
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3724
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3036
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:704 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3932
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2264
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4384,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=3264 /prefetch:81⤵PID:548
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3236
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4528
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:644
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1024KB
MD5e3daaea8418b9f43111b69cafb7a1c35
SHA1d41eadb69f848e0d815caa89d29008080bd5f96f
SHA256fbcb46004dd9c4a791293a9d6670ad210f667f92efbe869895c94ecced1621aa
SHA512c8a0640df5c24045d0fead382975477a4af82f831456046ce734e4ff5cd43b96803c24fc79532c4955f807ccebe932e50e491e9e0e3dee6e8a9722a0d3de9ca7
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Filesize
7KB
MD5714a3412524adad00da1b453b42fb153
SHA1affae3a77bc327f642bf4adfc6f6c0ce37382a24
SHA25651ce49afc3f438cd245d723cb5eefc588bddf5af755d675c529da65000a85bfe
SHA5120e7ddd96148947bc23e305faf6f49bb0831114897a6c9e9a2108f00d851b8004aa279e5247e29b5a4a50e387ba14c26306ed01dbf5bc52c5c60355060a91e4c8
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
1KB
MD538a9888d5746527c2d30f84d2a0e13e4
SHA11788a40debeebc923d7150c328c98ba6c72c4d95
SHA2567c53079b7b220d1e05783db17ca0b6b216bb196f8afc87e8706c1949a75b0013
SHA512c23f2655c07b663f3e5f7fdf60db3e570da02ebfcfeeeba1c796bfb845e30baf771c9eb78f1bd655232f4bf80359fcedab5215810293a15504675c90076a4601
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Filesize
1KB
MD5b6ade4d2cd59e55539b868e3793d8e46
SHA136b022fdd308d12668686912aaa5b5a04ad8cd61
SHA2568b244754fe41a9c12335b9bb90df9eea86501f5e7609202145568fd2a3e1e6b2
SHA512f009fa9412d36d662358036e00c0ee1dcfe4b0cb8d02a5d3765294a4c3f10a1ddfcdbedb3838204ba7b12c09f2c6dd4079d9a0b0d0f7a81eee2728037a06095b
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Filesize
136B
MD56dbd0d0d67b286d2a5fa18026aa737df
SHA1735d7f230fab62dae371b8447fe71fe0bb5d4266
SHA256df1eba1c94fa293379359161ba4c7fec4ee6a8e39497bbe0dea2a65b6d7fe8dc
SHA5128f9f50aa0157126a742b171e1109f3294f851192fff6ce16571fa21d781a0f1fae68f9c38f8e3eff8723d04361ebd9d6d4713c758806dec75bda896cfe3eb5c9
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Filesize
136B
MD5a3a62e5bc2e6116503bfde19ea523727
SHA157d3afd8b2534e1fbe387925aff8c0c7c393d1dd
SHA25651a77596555cd7c0e60e594f6670569dd6a68e32b1092762117c71fae4e9b5f2
SHA512094acb1e743e2092dbdfc440ead2d8268a2eb722271f6ad4ed2a74719590d3709f2b3bfd1ccc132e5100dad3782e329ade9d21ccd2993cd0bc0aca9129a60987
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Filesize
136B
MD54beb3203918a84795a459f19764ee13b
SHA1951ba0d877f53313f9c28610008c013bb4f334eb
SHA256d1df99a5220783191b4e5aa97507f159a91ab4cd0838b10bfa3bd838ff1f9369
SHA512a07933c88e9efb0b144dea55bcff3e7f2e0583b65c4196bcdeef4e5a1c5669f61b8bc84ce4f0e35bab73a2527f64cb467630268209962726980d8a8a62fedec7
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Filesize
136B
MD5ad04c7b78032a17ece626b31f750f058
SHA119cbaca838eb14f365483a51783b785e64caff8f
SHA2562c73ff485cd47e2226fb4dbb522b31c62299eb51536cef551f51aae28bc2279b
SHA51226b9926cf219197bbf4f327d20a4d8753273fb53ce572a56f8bb9e5769514a4ff85f65cc17818c6aa96a693b69d871d39359918b7e3c6c569b54a50f83633e70
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD5d634ebbc008217b10b82abd2a81908ec
SHA16c457f2b74eb6680ea7728ca4783d7c90df8e442
SHA25651c56d5ae52e451dcad0c35d9731b190ec444d29a62f7920c167d401c513bd51
SHA51221f5374a16a7d5665b9c62e11aa9b288c5550da6b8dedc2f691a94e2090cebc399adff388609b6e9627351d4ecf198146e170fd7cd64a95b064bd7a1d888f3f0
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5