Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
26-08-2024 15:45
Behavioral task
behavioral1
Sample
asdf.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
asdf.exe
Resource
win10v2004-20240802-en
General
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Target
asdf.exe
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Size
202KB
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MD5
da293a6e68ade7fd2258cc4485a619f5
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SHA1
4c8c82e3741caff63cafc993e59d767f3a0f6519
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SHA256
463075274e328bd47d8092f4901e67f7fff6c5d972b5ffcf821d3c988797e8e3
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SHA512
707d6eadce38befeb5eb0a91ab694b29e39681173e6c73fdea52165e272f84e5380c8b51f3982e2179077ced6589f66492cd2f92493a166cc5f08de91b056b8a
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SSDEEP
3072:sr85CXRRjHRvsfdO3Q+rSBPJasYIeuvUaEkZSc5vduKWQ:k9rjHiqrrTzWUc5EC
Malware Config
Extracted
F:\INC-README.txt
inc_ransom
http://incblog6qu4y4mm4zvw5nrmue6qbwtgjsxpw6b7ixzssu36tsajldoad.onion/
http://incblog7vmuq7rktic73r4ha4j757m3ptym37tyvifzp2roedyyzzxid.onion/
http://incapt.su/
https://twitter.com/hashtag/incransom?f=live
http://incpaykabjqc2mtdxq6c23nqh4x6m5dkps5fr6vgdkgzp5njssx6qkid.onion/
Extracted
F:\INC-README.html
https://twitter.com/hashtag/incransom?f=live</span>
Signatures
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Detect Neshta payload 3 IoCs
resource yara_rule behavioral1/files/0x0001000000010316-13.dat family_neshta behavioral1/memory/2064-934-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral1/memory/2064-1705-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
INC Ransomware
INC Ransom is a ransomware that emerged in July 2023.
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Renames multiple (382) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 1 IoCs
pid Process 2984 asdf.exe -
Loads dropped DLL 3 IoCs
pid Process 2064 asdf.exe 2064 asdf.exe 2064 asdf.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" asdf.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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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\P: asdf.exe File opened (read-only) \??\V: asdf.exe File opened (read-only) \??\Y: asdf.exe File opened (read-only) \??\F: asdf.exe File opened (read-only) \??\K: asdf.exe File opened (read-only) \??\N: asdf.exe File opened (read-only) \??\T: asdf.exe File opened (read-only) \??\W: asdf.exe File opened (read-only) \??\X: asdf.exe File opened (read-only) \??\H: asdf.exe File opened (read-only) \??\L: asdf.exe File opened (read-only) \??\M: asdf.exe File opened (read-only) \??\G: asdf.exe File opened (read-only) \??\I: asdf.exe File opened (read-only) \??\J: asdf.exe File opened (read-only) \??\O: asdf.exe File opened (read-only) \??\Q: asdf.exe File opened (read-only) \??\A: asdf.exe File opened (read-only) \??\B: asdf.exe File opened (read-only) \??\E: asdf.exe File opened (read-only) \??\R: asdf.exe File opened (read-only) \??\S: asdf.exe File opened (read-only) \??\Z: asdf.exe File opened (read-only) \??\U: asdf.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\system32\spool\PRINTERS\00002.SPL asdf.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\background-image.jpg" asdf.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE asdf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE asdf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE asdf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE asdf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE asdf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe asdf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE asdf.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe asdf.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe asdf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE asdf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE asdf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE asdf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe asdf.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe asdf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE asdf.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe asdf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE asdf.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE asdf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE asdf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE asdf.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe asdf.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE asdf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe asdf.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe asdf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE asdf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE asdf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe asdf.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE asdf.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE asdf.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe asdf.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE asdf.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE asdf.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe asdf.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE asdf.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe asdf.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE asdf.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe asdf.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com asdf.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 2 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 asdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asdf.exe -
Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" asdf.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe Token: SeTakeOwnershipPrivilege 2984 asdf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2064 wrote to memory of 2984 2064 asdf.exe 30 PID 2064 wrote to memory of 2984 2064 asdf.exe 30 PID 2064 wrote to memory of 2984 2064 asdf.exe 30 PID 2064 wrote to memory of 2984 2064 asdf.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\asdf.exe"C:\Users\Admin\AppData\Local\Temp\asdf.exe"1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Users\Admin\AppData\Local\Temp\3582-490\asdf.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\asdf.exe"2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
547KB
MD5cf6c595d3e5e9667667af096762fd9c4
SHA19bb44da8d7f6457099cb56e4f7d1026963dce7ce
SHA256593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d
SHA512ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80
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Filesize
8KB
MD5bc7b54e804ba2d052146e9f5b2999f90
SHA1720f020a595a1c238d813033241a4e2e06cb2390
SHA256bcad856842ff5fecf7e009cbab191f8b3dcedf14abf0dded801fe33160c4e31e
SHA5126b4947fec5548e31b4ebde18bacf04c085745ad80d505c4263f21b18274ddc86fcb691f2f26189dbd41202ef51a536fdde006230cc48f15e2905827600cf3e99
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Filesize
3KB
MD55a6172f2b871ef4696625d381732302e
SHA1dffc38dbd49a451f7f064d1836458280e5d5cc00
SHA256616e24f1fc0ff31ddbe26321f6dba1b665652f017a966afa3dd16d630ce1d201
SHA512d4e9ab8322371a19577d845a6540a8875232282586dbd785cf06730d2d94f57dc18cfe821e5e91fd6f86ab8d1da3f5b4ff763ce22d700de2215e9041b5a39ab4
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Filesize
252KB
MD59e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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Filesize
161KB
MD5d1df32e403d1424daa322e21dd1e4d19
SHA16d3db4569fde0a3ee6e65828ebc7a638b22dc001
SHA2565a8883ad96a944593103f2f7f3a692ea3cde1ede71cf3de6750eb7a044a61486
SHA512b758651295081b33299691bf337af4b57f6feb86796a628ac154c0ddbb9d1172c0eb4ce398618060a340e06079e28b3924c5f737be42016a82b0f6f8d4efa9cc