Analysis Overview
SHA256
b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab
Threat Level: Known bad
The file b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab was found to be: Known bad.
Malicious Activity Summary
Detect Neshta payload
Neshta
Neshta family
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Modifies system executable filetype association
Loads dropped DLL
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-14 00:50
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Neshta family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-14 00:50
Reported
2024-04-14 00:53
Platform
win7-20240221-en
Max time kernel
120s
Max time network
124s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Neshta
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe
"C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe
| MD5 | 0e53df9faaf945bd56b75f365836fa49 |
| SHA1 | 91af67201e49a6ccdfeb42d135428ab025548d80 |
| SHA256 | 4ce4147d12d1beabe9a23e05b1d02763e12967f5072685d45e5e83fbd952a61a |
| SHA512 | 9116db07fead12f557f7735b6e36d0d3f50cd41e37cd58ccfafab140e87c472b84c842294917776adf62ef320dbd24717aa0608a4e2de5681501bdf9c381dd54 |
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
| MD5 | cf6c595d3e5e9667667af096762fd9c4 |
| SHA1 | 9bb44da8d7f6457099cb56e4f7d1026963dce7ce |
| SHA256 | 593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d |
| SHA512 | ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80 |
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
| MD5 | 9e2b9928c89a9d0da1d3e8f4bd96afa7 |
| SHA1 | ec66cda99f44b62470c6930e5afda061579cde35 |
| SHA256 | 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043 |
| SHA512 | 2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156 |
memory/2656-83-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2656-84-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2656-85-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2656-87-0x0000000000400000-0x000000000041B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-14 00:50
Reported
2024-04-14 00:53
Platform
win10v2004-20240412-en
Max time kernel
124s
Max time network
129s
Command Line
Signatures
Detect Neshta payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Neshta
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\svchost.com | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" | C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe
"C:\Users\Admin\AppData\Local\Temp\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe"
C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe"
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 --no-appcompat-clear --field-trial-handle=3480,i,353436235481858446,15149564830344523381,262144 --variations-seed-version --mojo-platform-channel-handle=4264 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.111.78.13.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\3582-490\b56d121efcd61b12c4dd66c4fcb706374377cc438a0d30fb04a35812bf5177ab.exe
| MD5 | 0e53df9faaf945bd56b75f365836fa49 |
| SHA1 | 91af67201e49a6ccdfeb42d135428ab025548d80 |
| SHA256 | 4ce4147d12d1beabe9a23e05b1d02763e12967f5072685d45e5e83fbd952a61a |
| SHA512 | 9116db07fead12f557f7735b6e36d0d3f50cd41e37cd58ccfafab140e87c472b84c842294917776adf62ef320dbd24717aa0608a4e2de5681501bdf9c381dd54 |
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
| MD5 | 3b73078a714bf61d1c19ebc3afc0e454 |
| SHA1 | 9abeabd74613a2f533e2244c9ee6f967188e4e7e |
| SHA256 | ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29 |
| SHA512 | 75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4 |
memory/3556-109-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-110-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-111-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-112-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-113-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-114-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-115-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-116-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-117-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3556-120-0x0000000000400000-0x000000000041B000-memory.dmp