Analysis
- max time kernel
148s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2024, 03:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240215-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240511-dml2dshh31
- SHA256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
- MD5 5c7fb0927db37372da25f270708103a2
- SHA1 120ed9279d85cbfa56e5b7779ffa7162074f7a29
- SHA512 a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
- SSDEEP 3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
-
wannacry
Ransom Note
- Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets
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15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5B0B.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD5537.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 3320 !WannaDecryptor!.exe 816 !WannaDecryptor!.exe 1804 !WannaDecryptor!.exe 3700 !WannaDecryptor!.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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).
- Kills process with taskkill 4 IoCs
pid Process 2456 taskkill.exe 2540 taskkill.exe 2984 taskkill.exe 436 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 2456 taskkill.exe Token: SeDebugPrivilege 2540 taskkill.exe Token: SeDebugPrivilege 436 taskkill.exe Token: SeDebugPrivilege 2984 taskkill.exe Token: SeIncreaseQuotaPrivilege 1984 WMIC.exe Token: SeSecurityPrivilege 1984 WMIC.exe Token: SeTakeOwnershipPrivilege 1984 WMIC.exe Token: SeLoadDriverPrivilege 1984 WMIC.exe Token: SeSystemProfilePrivilege 1984 WMIC.exe Token: SeSystemtimePrivilege 1984 WMIC.exe Token: SeProfSingleProcessPrivilege 1984 WMIC.exe Token: SeIncBasePriorityPrivilege 1984 WMIC.exe Token: SeCreatePagefilePrivilege 1984 WMIC.exe Token: SeBackupPrivilege 1984 WMIC.exe Token: SeRestorePrivilege 1984 WMIC.exe Token: SeShutdownPrivilege 1984 WMIC.exe Token: SeDebugPrivilege 1984 WMIC.exe Token: SeSystemEnvironmentPrivilege 1984 WMIC.exe Token: SeRemoteShutdownPrivilege 1984 WMIC.exe Token: SeUndockPrivilege 1984 WMIC.exe Token: SeManageVolumePrivilege 1984 WMIC.exe Token: 33 1984 WMIC.exe Token: 34 1984 WMIC.exe Token: 35 1984 WMIC.exe Token: 36 1984 WMIC.exe Token: SeIncreaseQuotaPrivilege 1984 WMIC.exe Token: SeSecurityPrivilege 1984 WMIC.exe Token: SeTakeOwnershipPrivilege 1984 WMIC.exe Token: SeLoadDriverPrivilege 1984 WMIC.exe Token: SeSystemProfilePrivilege 1984 WMIC.exe Token: SeSystemtimePrivilege 1984 WMIC.exe Token: SeProfSingleProcessPrivilege 1984 WMIC.exe Token: SeIncBasePriorityPrivilege 1984 WMIC.exe Token: SeCreatePagefilePrivilege 1984 WMIC.exe Token: SeBackupPrivilege 1984 WMIC.exe Token: SeRestorePrivilege 1984 WMIC.exe Token: SeShutdownPrivilege 1984 WMIC.exe Token: SeDebugPrivilege 1984 WMIC.exe Token: SeSystemEnvironmentPrivilege 1984 WMIC.exe Token: SeRemoteShutdownPrivilege 1984 WMIC.exe Token: SeUndockPrivilege 1984 WMIC.exe Token: SeManageVolumePrivilege 1984 WMIC.exe Token: 33 1984 WMIC.exe Token: 34 1984 WMIC.exe Token: 35 1984 WMIC.exe Token: 36 1984 WMIC.exe Token: SeBackupPrivilege 3352 vssvc.exe Token: SeRestorePrivilege 3352 vssvc.exe Token: SeAuditPrivilege 3352 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3320 !WannaDecryptor!.exe 3320 !WannaDecryptor!.exe 816 !WannaDecryptor!.exe 816 !WannaDecryptor!.exe 1804 !WannaDecryptor!.exe 1804 !WannaDecryptor!.exe 3700 !WannaDecryptor!.exe 3700 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4480 wrote to memory of 1492 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 4480 wrote to memory of 1492 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 4480 wrote to memory of 1492 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 1492 wrote to memory of 1000 1492 cmd.exe 83 PID 1492 wrote to memory of 1000 1492 cmd.exe 83 PID 1492 wrote to memory of 1000 1492 cmd.exe 83 PID 4480 wrote to memory of 3320 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 4480 wrote to memory of 3320 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 4480 wrote to memory of 3320 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 4480 wrote to memory of 2456 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4480 wrote to memory of 2456 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4480 wrote to memory of 2456 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4480 wrote to memory of 2540 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4480 wrote to memory of 2540 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4480 wrote to memory of 2540 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4480 wrote to memory of 436 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4480 wrote to memory of 436 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4480 wrote to memory of 436 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4480 wrote to memory of 2984 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4480 wrote to memory of 2984 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4480 wrote to memory of 2984 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4480 wrote to memory of 816 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 4480 wrote to memory of 816 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 4480 wrote to memory of 816 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 4480 wrote to memory of 2184 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 4480 wrote to memory of 2184 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 4480 wrote to memory of 2184 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 2184 wrote to memory of 1804 2184 cmd.exe 103 PID 2184 wrote to memory of 1804 2184 cmd.exe 103 PID 2184 wrote to memory of 1804 2184 cmd.exe 103 PID 4480 wrote to memory of 3700 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 4480 wrote to memory of 3700 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 4480 wrote to memory of 3700 4480 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 1804 wrote to memory of 2840 1804 !WannaDecryptor!.exe 106 PID 1804 wrote to memory of 2840 1804 !WannaDecryptor!.exe 106 PID 1804 wrote to memory of 2840 1804 !WannaDecryptor!.exe 106 PID 2840 wrote to memory of 1984 2840 cmd.exe 108 PID 2840 wrote to memory of 1984 2840 cmd.exe 108 PID 2840 wrote to memory of 1984 2840 cmd.exe 108 - 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\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 201121715396867.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1000
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3320
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2456
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2540
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:436
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2984
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:816
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804 -
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⤵
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1984
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3700
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3352
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
- Size 797B
- SHA256 227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
- MD5 afa18cf4aa2660392111763fb93a8c3d
- SHA1 c219a3654a5f41ce535a09f2a188a464c3f5baf5
- SHA512 4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
- Size 1KB
- SHA256 2acb7759a7c86fee7cd6d0a20c4dc48aeaa469990b8e9a4ebd80261f9a3705b2
- MD5 4bf9e0e02a2ce20ce743835de4d03ed1
- SHA1 4e9c3bd1ac7facf664d1d9de46461544ff4d3614
- SHA512 d42079b2bfdab0099a981f4130775fca4667344a147f8b351d747de00aa42afee038e120ff1dde218a4b1609be02bb66f8f9d51799455711acdf380e043d62c5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 ef2f2348a0da5ec47771754cfa6be701245cae4ea05e6d9d70678e5a8ef4947d
- MD5 0a39b11fd4eb672fd27c628b89517b2e
- SHA1 cef5709feb3d61b77eb157342099b109631a5c5f
- SHA512 0dc350d1f3b4a46b5aa1656abb4a17d450518cf3fdeecc1b1b65f37a25e3a0dadb0f22a0795557bb3543d4dadc6f43aadcbb65445d8ff146a622b7c6747796d1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 b45e0265e4e497fd26dea848c1fcc7632085a3d21c08e372e62d45d6d065d327
- MD5 47714790bcd3fee494de7467f7a4bf89
- SHA1 70e433556a878309a6a77c1a1bbd76b617582272
- SHA512 1f2f13df0598ceb14d86af9f61c4c350e7ea72c9917b1801647bf034536b3a488cebc327165792cfb8cfe10386793a92f9f0bd40a5d44f1dab77f4cf305ca309
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 178e2f0b2bcab5af2d8c06ddfd4427fcc7a0cd8d31e1ecf9eacb139e450ec74b
- MD5 fce735f1498f4ca7da7dfe1b3eae2fa3
- SHA1 a9430afe5da1205e1f5970885a270e47b7531c06
- SHA512 a8d4d659dbacaccc85deb2b1edbb0912629368bc5752dca052665d79f2730474119858fcd877a8afff76965a37400291c7600ae971eb01310108b5ecb4854d7f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\201121715396867.bat
- Size 336B
- SHA256 73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
- MD5 3540e056349c6972905dc9706cd49418
- SHA1 492c20442d34d45a6d6790c720349b11ec591cde
- SHA512 c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\c.vbs
- Size 219B
- SHA256 0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
- MD5 5f6d40ca3c34b470113ed04d06a88ff4
- SHA1 50629e7211ae43e32060686d6be17ebd492fd7aa
- SHA512 4d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\c.wry
- Size 628B
- SHA256 ced43f5bb6e1a77428cf959b6937f9f750494506dd888db068e7ae65ffd9bcc3
- MD5 42f71c3ec0e759f8b8ac2ab6d335267d
- SHA1 f64dff3de53f13527f3e2357ff173c5000b2ff66
- SHA512 cff656dc6c7605cbc7bfbd71db87d33cf4a1de86385d2c01bc63260a2cbd1793307bd315b9f4185a351173bf9e5cb26a520717de77f119a153b207378dcd763b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\m.wry
- Size 42KB
- SHA256 402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
- MD5 980b08bac152aff3f9b0136b616affa5
- SHA1 2a9c9601ea038f790cc29379c79407356a3d25a3
- SHA512 100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
- SSDEEP 384:S9sLTK3SWTsPzy3EFejoJQBO21z4oCTeo75Y3kmA31dv61QyU:S9s3mjoJb21zZrS14I
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\u.wry
- Size 236KB
- SHA256 78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
- MD5 cf1416074cd7791ab80a18f9e7e219d9
- SHA1 276d2ec82c518d887a8a3608e51c56fa28716ded
- SHA512 0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
- SSDEEP 3072:KeJJ0eIVAnbWOECR+uJ/0EJzBelG4t1nXFnQamKNQHFZde5tHEGaa:bqrVOEgZJcYelG4tQamKN2ex
- MD5 SHA1 SHA512 SSDEEP