Analysis Overview
SHA256
0c3f48221c4e58d620ee00f6c8dba7996bf1f64446fa2e8dce193c2d6ffb73aa
Threat Level: Known bad
The file 0c3f48221c4e58d620ee00f6c8dba7996bf1f64446fa2e8dce193c2d6ffb73aa was found to be: Known bad.
Malicious Activity Summary
Detect Vidar Stealer
Stealc
Vidar
Downloads MZ/PE file
Executes dropped EXE
Checks computer location settings
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-12 01:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 01:54
Reported
2024-06-12 01:56
Platform
win11-20240508-en
Max time kernel
146s
Max time network
150s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
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Stealc
Vidar
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat70BB.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 1056 set thread context of 1476 | N/A | C:\Users\Admin\AppData\Local\Temp\0c3f48221c4e58d620ee00f6c8dba7996bf1f64446fa2e8dce193c2d6ffb73aa.exe | C:\Users\Admin\AppData\Local\Temp\kat70BB.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\kat70BB.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\kat70BB.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kat70BB.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0c3f48221c4e58d620ee00f6c8dba7996bf1f64446fa2e8dce193c2d6ffb73aa.exe
"C:\Users\Admin\AppData\Local\Temp\0c3f48221c4e58d620ee00f6c8dba7996bf1f64446fa2e8dce193c2d6ffb73aa.exe"
C:\Users\Admin\AppData\Local\Temp\kat70BB.tmp
C:\Users\Admin\AppData\Local\Temp\kat70BB.tmp
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat70BB.tmp" & rd /s /q "C:\ProgramData\AKJDGIEHCAEH" & 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/1056-0-0x00000000022D0000-0x00000000022D1000-memory.dmp
memory/1056-1-0x0000000004010000-0x0000000004120000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kat70BB.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/1476-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1476-8-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1056-10-0x0000000000400000-0x0000000000594000-memory.dmp
memory/1476-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1476-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1476-12-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1476-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1476-14-0x0000000000400000-0x0000000000648000-memory.dmp
memory/1476-17-0x0000000000400000-0x0000000000648000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 01:54
Reported
2024-06-12 01:56
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
148s
Command Line
Signatures
Detect Vidar Stealer
| Description | Indicator | Process | Target |
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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\katEFAF.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.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 4972 set thread context of 764 | N/A | C:\Users\Admin\AppData\Local\Temp\0c3f48221c4e58d620ee00f6c8dba7996bf1f64446fa2e8dce193c2d6ffb73aa.exe | C:\Users\Admin\AppData\Local\Temp\katEFAF.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\katEFAF.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\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0c3f48221c4e58d620ee00f6c8dba7996bf1f64446fa2e8dce193c2d6ffb73aa.exe
"C:\Users\Admin\AppData\Local\Temp\0c3f48221c4e58d620ee00f6c8dba7996bf1f64446fa2e8dce193c2d6ffb73aa.exe"
C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp
C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp
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=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
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=2984 --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\katEFAF.tmp" & rd /s /q "C:\ProgramData\AEBKECFCFBGC" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 10
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 8.8.8.8:53 | t.me | udp |
| US | 8.8.8.8:53 | steamcommunity.com | udp |
| BE | 104.68.92.92:443 | steamcommunity.com | tcp |
| US | 8.8.8.8:53 | 92.92.68.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.121.18.2.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 | 172.217.169.42:443 | chromewebstore.googleapis.com | tcp |
| GB | 172.217.169.42:443 | chromewebstore.googleapis.com | tcp |
| BE | 104.68.92.92:443 | steamcommunity.com | tcp |
| US | 8.8.8.8:53 | 42.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| GB | 142.250.179.234:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 234.179.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| US | 8.8.8.8:53 | 112.135.217.95.in-addr.arpa | udp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | tcp | |
| FI | 95.217.135.112:443 | tcp | |
| FI | 95.217.135.112:443 | tcp | |
| FI | 95.217.135.112:443 | tcp | |
| FI | 95.217.135.112:443 | tcp | |
| FI | 95.217.135.112:443 | tcp | |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| FI | 95.217.135.112:443 | 95.217.135.112 | tcp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/4972-0-0x0000000002440000-0x0000000002441000-memory.dmp
memory/4972-1-0x0000000004080000-0x0000000004190000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\katEFAF.tmp
| MD5 | 66064dbdb70a5eb15ebf3bf65aba254b |
| SHA1 | 0284fd320f99f62aca800fb1251eff4c31ec4ed7 |
| SHA256 | 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795 |
| SHA512 | b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f |
memory/764-4-0x0000000000400000-0x0000000000648000-memory.dmp
memory/4972-8-0x0000000000400000-0x0000000000594000-memory.dmp
memory/764-9-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-10-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-11-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-13-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-27-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-30-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-31-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-32-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-34-0x0000000002F60000-0x00000000031BF000-memory.dmp
memory/764-49-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-65-0x0000000000400000-0x0000000000648000-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/764-78-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-79-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-80-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-85-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-86-0x0000000000400000-0x0000000000648000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
| MD5 | 20d4b8fa017a12a108c87f540836e250 |
| SHA1 | 1ac617fac131262b6d3ce1f52f5907e31d5f6f00 |
| SHA256 | 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d |
| SHA512 | 507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856 |
memory/764-92-0x0000000000400000-0x0000000000648000-memory.dmp
memory/764-93-0x0000000000400000-0x0000000000648000-memory.dmp