Analysis Overview
SHA256
74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf
Threat Level: Known bad
The file 74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Detects executables packed with SmartAssembly
Uses the VBS compiler for execution
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-05 01:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-05 01:25
Reported
2024-04-05 01:28
Platform
win7-20240221-en
Max time kernel
118s
Max time network
123s
Command Line
Signatures
Detects executables packed with SmartAssembly
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Uses the VBS compiler for execution
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe
"C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GzaqkFxrVt.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GzaqkFxrVt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AB3.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
Network
Files
memory/2204-0-0x0000000000FA0000-0x0000000001094000-memory.dmp
memory/2204-1-0x0000000074870000-0x0000000074F5E000-memory.dmp
memory/2204-2-0x0000000005080000-0x00000000050C0000-memory.dmp
memory/2204-3-0x00000000002C0000-0x00000000002D0000-memory.dmp
memory/2204-4-0x00000000003E0000-0x00000000003EC000-memory.dmp
memory/2204-5-0x0000000005380000-0x0000000005440000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8AB3.tmp
| MD5 | eea049775967400385c3455c41e1af05 |
| SHA1 | ae66e3ea85053c3e0d7b69acf5301a37a82bfc92 |
| SHA256 | 6daf82c7a664733241a53448afcd0389e3960aa7da27d3b5a8cbce3336560f38 |
| SHA512 | 3146c91897bb6364120edd197fccb72e4e2e4ee2884684fcf172e6976164f9c09649587b5d53015a4329db4467cd7f5c8b726b81558f2663f2134e4e60a366f8 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\EOUEL2QVXYM59LFJ4OC6.temp
| MD5 | b78a72d6a64ec29a47daf7036df3961e |
| SHA1 | a304ffb792ef96bd24745ce69ed988973408793c |
| SHA256 | d07f827b04791ef39219c830d315df5f96e25df86c69ce68fcf6d84a84476437 |
| SHA512 | 78cb6d77619c90866a2708496f45c4b51be93b6039e19cdec73553bde37c2dfc204e1ae518e2b37e8f81979fe65be8ad836afb443cb5da49c9e0418bfc24a03c |
memory/2532-18-0x000000006E340000-0x000000006E8EB000-memory.dmp
memory/2684-19-0x000000006E340000-0x000000006E8EB000-memory.dmp
memory/2532-20-0x0000000002650000-0x0000000002690000-memory.dmp
memory/2532-21-0x000000006E340000-0x000000006E8EB000-memory.dmp
memory/2204-22-0x0000000074870000-0x0000000074F5E000-memory.dmp
memory/2684-23-0x0000000002510000-0x0000000002550000-memory.dmp
memory/2532-24-0x0000000002650000-0x0000000002690000-memory.dmp
memory/2532-25-0x0000000002650000-0x0000000002690000-memory.dmp
memory/2684-26-0x0000000002510000-0x0000000002550000-memory.dmp
memory/2532-27-0x000000006E340000-0x000000006E8EB000-memory.dmp
memory/2684-28-0x000000006E340000-0x000000006E8EB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-05 01:25
Reported
2024-04-05 01:28
Platform
win10v2004-20240226-en
Max time kernel
163s
Max time network
171s
Command Line
Signatures
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| 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 |
| 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 |
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables packed with SmartAssembly
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe | N/A |
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3544 set thread context of 2804 | N/A | C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe
"C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\74a07ee3f0060987ebcb09e588ac1299a9d2a19e2f4139385f7880c229e2c8cf.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GzaqkFxrVt.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GzaqkFxrVt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF0F7.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 152.33.115.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| NL | 91.92.253.150:2505 | tcp | |
| US | 8.8.8.8:53 | stefracino.store | udp |
| NL | 91.92.253.150:2505 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stefracino.store | udp |
| NL | 91.92.253.150:2505 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stefracino.store | udp |
| NL | 91.92.253.150:2505 | tcp | |
| US | 8.8.8.8:53 | stefracino.store | udp |
| NL | 91.92.253.150:2505 | tcp | |
| US | 8.8.8.8:53 | 168.117.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stefracino.store | udp |
| NL | 91.92.253.150:2505 | tcp |
Files
memory/3544-0-0x0000000074B70000-0x0000000075320000-memory.dmp
memory/3544-1-0x0000000000460000-0x0000000000554000-memory.dmp
memory/3544-2-0x00000000055E0000-0x0000000005B84000-memory.dmp
memory/3544-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp
memory/3544-4-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/3544-5-0x0000000004FF0000-0x0000000004FFA000-memory.dmp
memory/3544-6-0x0000000005180000-0x0000000005190000-memory.dmp
memory/3544-7-0x0000000005250000-0x000000000525C000-memory.dmp
memory/3544-8-0x0000000006410000-0x00000000064D0000-memory.dmp
memory/3544-9-0x000000000A090000-0x000000000A12C000-memory.dmp
memory/1424-14-0x00000000029D0000-0x0000000002A06000-memory.dmp
memory/1424-15-0x0000000074B70000-0x0000000075320000-memory.dmp
memory/1424-16-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/1424-17-0x00000000054E0000-0x0000000005B08000-memory.dmp
memory/3544-18-0x0000000074B70000-0x0000000075320000-memory.dmp
memory/1424-19-0x0000000002A20000-0x0000000002A30000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpF0F7.tmp
| MD5 | e1daeb3da1d1a39a7fb9b81cc284a35b |
| SHA1 | 1ce5b8b1ffc348f54bdef8d460e25c9bcc6897ad |
| SHA256 | d5047349451b6beff4bf54bdceadf467b510894e3592b6c4523713a47bb2d4b6 |
| SHA512 | c9c68cf59bb4b7b82285a75a3409af0d6b21e9c43a1c3a646688baa343fd99bc783beaf973bf91e0fc54a48ab4b584e6c1561e262b731effd3f8e77a6c5d9a19 |
memory/1408-21-0x0000000074B70000-0x0000000075320000-memory.dmp
memory/1408-23-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/1424-24-0x0000000005C10000-0x0000000005C76000-memory.dmp
memory/1408-25-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/1424-22-0x0000000005220000-0x0000000005242000-memory.dmp
memory/1424-26-0x0000000005C80000-0x0000000005CE6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nuntbix4.d4r.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1408-45-0x0000000006240000-0x0000000006594000-memory.dmp
memory/2804-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3544-52-0x0000000074B70000-0x0000000075320000-memory.dmp
memory/2804-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1424-55-0x0000000006330000-0x000000000634E000-memory.dmp
memory/1408-56-0x00000000068A0000-0x00000000068EC000-memory.dmp
memory/1408-57-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/1424-58-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/1408-61-0x0000000075400000-0x000000007544C000-memory.dmp
memory/1424-59-0x000000007FA50000-0x000000007FA60000-memory.dmp
memory/1408-62-0x000000007FBE0000-0x000000007FBF0000-memory.dmp
memory/1424-73-0x0000000075400000-0x000000007544C000-memory.dmp
memory/1408-72-0x0000000006E10000-0x0000000006E2E000-memory.dmp
memory/1424-60-0x00000000072C0000-0x00000000072F2000-memory.dmp
memory/1424-83-0x0000000007300000-0x00000000073A3000-memory.dmp
memory/1424-85-0x0000000007630000-0x000000000764A000-memory.dmp
memory/1408-84-0x00000000081B0000-0x000000000882A000-memory.dmp
memory/1424-86-0x00000000076A0000-0x00000000076AA000-memory.dmp
memory/1408-87-0x0000000007DF0000-0x0000000007E86000-memory.dmp
memory/1424-88-0x0000000007830000-0x0000000007841000-memory.dmp
memory/1424-89-0x0000000007860000-0x000000000786E000-memory.dmp
memory/1408-90-0x0000000007DB0000-0x0000000007DC4000-memory.dmp
memory/1424-91-0x0000000007970000-0x000000000798A000-memory.dmp
memory/1424-92-0x0000000007950000-0x0000000007958000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
| MD5 | 968cb9309758126772781b83adb8a28f |
| SHA1 | 8da30e71accf186b2ba11da1797cf67f8f78b47c |
| SHA256 | 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a |
| SHA512 | 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | d4c28f15fe1819386f09633e73a2ac48 |
| SHA1 | e62b8f8eaa125739a841869ae2d9533c04a63629 |
| SHA256 | 7501017088826923f26260258ac5768b804ae5d1f00e0696e49d688f1b19c62f |
| SHA512 | f00780ace5baeed982b6f01901e27b50d38a78da2498eb0ca2b8878b77549ed56f0854f1e0d742d3386b468fff86ceabb38b6cbf00f23a90456899efb24cb6cc |
memory/1408-99-0x0000000074B70000-0x0000000075320000-memory.dmp
memory/1424-98-0x0000000074B70000-0x0000000075320000-memory.dmp
memory/2804-100-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-104-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-105-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-108-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-110-0x0000000000400000-0x0000000000482000-memory.dmp