Analysis Overview
SHA256
264d6866d534205d35dcbbb2e5f031440f5580ae97d0eec657477f957039126a
Threat Level: Known bad
The file TSTS 0005A.rar was found to be: Known bad.
Malicious Activity Summary
Remcos
Checks computer location settings
Suspicious use of SetThreadContext
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-05 11:29
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-05 11:29
Reported
2024-04-05 11:31
Platform
win7-20240221-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2184 set thread context of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.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
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.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\vcEDbAjawlTHE.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB193.tmp"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sembe.duckdns.org | udp |
| BE | 194.187.251.115:14645 | sembe.duckdns.org | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2184-0-0x0000000001170000-0x0000000001258000-memory.dmp
memory/2184-1-0x00000000741F0000-0x00000000748DE000-memory.dmp
memory/2184-2-0x0000000004E00000-0x0000000004E40000-memory.dmp
memory/2184-3-0x00000000005B0000-0x00000000005C0000-memory.dmp
memory/2184-4-0x0000000000640000-0x000000000064C000-memory.dmp
memory/2184-5-0x0000000005460000-0x0000000005520000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpB193.tmp
| MD5 | 754e8fc137cfc99cc52b7ca6a5efbf2a |
| SHA1 | 78a5e1abc24171a84f0d58428b08f3c4b6afd499 |
| SHA256 | c61c88894ede5a9fe05d275b5e1f2f0de731bf191cf7a37770355c90c0554e20 |
| SHA512 | 34da61d70899a7946b19bbd183bde570a0bdeb51c12a901bcca9478eafc89f604edaf9993433bbba59d7e6733954c2978add838b4faab843d068a607e34ee946 |
memory/2600-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2600-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2184-30-0x00000000741F0000-0x00000000748DE000-memory.dmp
memory/2600-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2564-32-0x000000006E850000-0x000000006EDFB000-memory.dmp
memory/2600-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2564-35-0x00000000020A0000-0x00000000020E0000-memory.dmp
memory/2564-37-0x00000000020A0000-0x00000000020E0000-memory.dmp
memory/2564-38-0x00000000020A0000-0x00000000020E0000-memory.dmp
memory/2600-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2564-43-0x000000006E850000-0x000000006EDFB000-memory.dmp
memory/2600-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-49-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Roaming\notess\logs.dat
| MD5 | 9dfc39dd21ff27915ba4d5932915c976 |
| SHA1 | 8417e61b0b3b1fcc93037b14e99e34db9f27125f |
| SHA256 | 3727563e342a1374d90ac62d1ca1eb4b04834582d0bc20b8f6d5e2bfb3858811 |
| SHA512 | 69577d8425d057cbbf43ea5ee72f35d965f700fc2f1db8b75e64c8cc029caf4995cec590f06429de727b159a52d96b5ba86e6b1cfe725497cc888e874c28397f |
memory/2600-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-66-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2600-82-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-05 11:29
Reported
2024-04-05 11:31
Platform
win10v2004-20240319-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Remcos
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5096 set thread context of 1972 | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.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
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.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\vcEDbAjawlTHE.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB80.tmp"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.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 --mojo-platform-channel-handle=4216 --field-trial-handle=2000,i,9877262470271371196,11878025205711850266,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.2.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| GB | 2.23.92.217:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 217.92.23.2.in-addr.arpa | udp |
| IE | 94.245.104.56:443 | tcp | |
| GB | 51.11.108.188:443 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sembe.duckdns.org | udp |
| BE | 194.187.251.115:14645 | sembe.duckdns.org | tcp |
| US | 8.8.8.8:53 | 115.251.187.194.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 173.222.13.219:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.13.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/5096-0-0x0000000000680000-0x0000000000768000-memory.dmp
memory/5096-1-0x0000000074DD0000-0x0000000075580000-memory.dmp
memory/5096-2-0x0000000005810000-0x0000000005DB4000-memory.dmp
memory/5096-3-0x0000000005140000-0x00000000051D2000-memory.dmp
memory/5096-4-0x0000000005300000-0x0000000005310000-memory.dmp
memory/5096-5-0x0000000005200000-0x000000000520A000-memory.dmp
memory/5096-6-0x00000000052C0000-0x00000000052D0000-memory.dmp
memory/5096-7-0x00000000052E0000-0x00000000052EC000-memory.dmp
memory/5096-8-0x00000000068A0000-0x0000000006960000-memory.dmp
memory/5096-9-0x0000000008F80000-0x000000000901C000-memory.dmp
memory/1720-14-0x0000000002400000-0x0000000002436000-memory.dmp
memory/1720-15-0x0000000074DD0000-0x0000000075580000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpBB80.tmp
| MD5 | 601227869aa531a3acd347f9d0181f37 |
| SHA1 | d7a03dc42224bd50cd4010916e81547ff5cba586 |
| SHA256 | 1b580c9fc6722565956906ec38a187d34feaaa75f732c78cf62fb6b0c7395809 |
| SHA512 | 6fbc9f497d73b86392a780b3d61dc582c921f8ea29853c4691fe9e9e853356d6b7f860b292e8bc597cc1c96377c70b00d789d2a923ea8418044d2ee8586b0a00 |
memory/1720-17-0x00000000049F0000-0x0000000004A00000-memory.dmp
memory/1720-19-0x0000000005030000-0x0000000005658000-memory.dmp
memory/1720-18-0x00000000049F0000-0x0000000004A00000-memory.dmp
memory/1972-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1720-22-0x0000000005660000-0x00000000056C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sub1ujh3.41h.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1972-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1720-24-0x00000000056D0000-0x0000000005736000-memory.dmp
memory/1972-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1720-20-0x0000000004E60000-0x0000000004E82000-memory.dmp
memory/5096-36-0x0000000074DD0000-0x0000000075580000-memory.dmp
memory/1972-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1720-38-0x0000000005740000-0x0000000005A94000-memory.dmp
memory/1972-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1720-42-0x0000000005D50000-0x0000000005D6E000-memory.dmp
memory/1720-44-0x0000000005D90000-0x0000000005DDC000-memory.dmp
memory/1972-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1720-49-0x00000000049F0000-0x0000000004A00000-memory.dmp
memory/1720-52-0x000000007F790000-0x000000007F7A0000-memory.dmp
memory/1720-53-0x0000000006330000-0x0000000006362000-memory.dmp
memory/1720-54-0x0000000075630000-0x000000007567C000-memory.dmp
memory/1720-64-0x0000000006310000-0x000000000632E000-memory.dmp
memory/1720-65-0x0000000006F30000-0x0000000006FD3000-memory.dmp
memory/1720-66-0x00000000076B0000-0x0000000007D2A000-memory.dmp
memory/1720-67-0x0000000007060000-0x000000000707A000-memory.dmp
memory/1720-68-0x00000000070E0000-0x00000000070EA000-memory.dmp
memory/1720-69-0x00000000072E0000-0x0000000007376000-memory.dmp
memory/1720-72-0x0000000007260000-0x0000000007271000-memory.dmp
memory/1720-73-0x00000000072B0000-0x00000000072BE000-memory.dmp
memory/1720-74-0x00000000072C0000-0x00000000072D4000-memory.dmp
memory/1720-75-0x00000000073B0000-0x00000000073CA000-memory.dmp
memory/1720-76-0x00000000073A0000-0x00000000073A8000-memory.dmp
memory/1720-79-0x0000000074DD0000-0x0000000075580000-memory.dmp
memory/1972-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-80-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Roaming\notess\logs.dat
| MD5 | 469101c77431787fa4ce405cc9d604b9 |
| SHA1 | 47253134de48c972da00d66f78235f50fdfdd83a |
| SHA256 | 522c16812dca20315f7f0566b975bae268e74204f30930307332d28deff023b5 |
| SHA512 | 58c2ed3fcdc262640c11e1d71be1e403cb0a79ee0112ab14df0d8455dc219e0a004a11090970dc66503f776e1642214ba97095cdbbca73ba1293e9571438cb8a |
memory/1972-85-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-89-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-90-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-97-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-98-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-105-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-113-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1972-114-0x0000000000400000-0x0000000000482000-memory.dmp