Analysis Overview
SHA256
40fdb908600a0889a4de1914aafd067fab61ddc342b3c33200baaa6f94ab81ad
Threat Level: Known bad
The file 40fdb908600a0889a4de1914aafd067fab61ddc342b3c33200baaa6f94ab81ad was found to be: Known bad.
Malicious Activity Summary
Vidar
Detect Vidar Stealer
Stealc
Downloads MZ/PE file
Reads data files stored by FTP clients
Executes dropped EXE
Reads user/profile data of web browsers
Checks computer location settings
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Checks processor information in registry
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-11 23:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 23:23
Reported
2024-06-11 23:25
Platform
win10v2004-20240226-en
Max time kernel
144s
Max time network
149s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Stealc
Vidar
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1188 set thread context of 3900 | N/A | C:\Users\Admin\AppData\Local\Temp\40fdb908600a0889a4de1914aafd067fab61ddc342b3c33200baaa6f94ab81ad.exe | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\40fdb908600a0889a4de1914aafd067fab61ddc342b3c33200baaa6f94ab81ad.exe
"C:\Users\Admin\AppData\Local\Temp\40fdb908600a0889a4de1914aafd067fab61ddc342b3c33200baaa6f94ab81ad.exe"
C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp
C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3532 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:3
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp" & rd /s /q "C:\ProgramData\HCGCBFHCFCFB" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
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 --mojo-platform-channel-handle=4164 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | 99.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.249.124.192.in-addr.arpa | udp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 8.8.8.8:53 | 244.235.13.49.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | tcp | |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| DE | 49.13.235.244:5432 | 49.13.235.244 | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.178.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 10.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.17.178.52.in-addr.arpa | udp |
Files
memory/1188-0-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1188-1-0x00000000040A0000-0x00000000041B0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katF3A7.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/3900-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1188-8-0x0000000000400000-0x0000000000594000-memory.dmp
memory/3900-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-22-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-23-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-24-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-26-0x000000001B760000-0x000000001B9BF000-memory.dmp
memory/3900-41-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-57-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
| MD5 | d751713988987e9331980363e24189ce |
| SHA1 | 97d170e1550eee4afc0af065b78cda302a97674c |
| SHA256 | 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945 |
| SHA512 | b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af |
memory/3900-64-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-71-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-76-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-77-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3900-78-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
| MD5 | 20d4b8fa017a12a108c87f540836e250 |
| SHA1 | 1ac617fac131262b6d3ce1f52f5907e31d5f6f00 |
| SHA256 | 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d |
| SHA512 | 507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856 |
memory/3900-84-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
| MD5 | 1bfbeb3d2784ae106d11969473b8f6ef |
| SHA1 | 11b1479a0e43b4bf80e021d8d86df775cb82eab1 |
| SHA256 | 5fb52305bb4420748c3fc0ecdeb67551241ddf303b853ee5af5d88b5229b39da |
| SHA512 | e73b0d5f336c1f11ce4cd6e990458e2e6545a39dbc6ae113873fa8e0c048284a214f9f2b34074acf7990043f6a605b4520fb85bc5e1be8aeec99e6f9b2954b3d |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 23:23
Reported
2024-06-11 23:25
Platform
win11-20240508-en
Max time kernel
146s
Max time network
154s
Command Line
Signatures
Detect Vidar Stealer
| 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 |
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| N/A | N/A | N/A | N/A |
Stealc
Vidar
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp | N/A |
Reads data files stored by FTP clients
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3272 set thread context of 1552 | N/A | C:\Users\Admin\AppData\Local\Temp\40fdb908600a0889a4de1914aafd067fab61ddc342b3c33200baaa6f94ab81ad.exe | C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\40fdb908600a0889a4de1914aafd067fab61ddc342b3c33200baaa6f94ab81ad.exe
"C:\Users\Admin\AppData\Local\Temp\40fdb908600a0889a4de1914aafd067fab61ddc342b3c33200baaa6f94ab81ad.exe"
C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp
C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp" & rd /s /q "C:\ProgramData\HIEHDHCFIJDB" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
Files
memory/3272-0-0x0000000002440000-0x0000000002441000-memory.dmp
memory/3272-2-0x00000000040C0000-0x00000000041D0000-memory.dmp
memory/1552-4-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat62B1.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1552-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1552-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/3272-10-0x0000000000400000-0x0000000000594000-memory.dmp
memory/1552-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1552-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1552-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1552-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1552-17-0x0000000000400000-0x0000000000648000-memory.dmp