Analysis
- max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/11/2026, 18:05
Behavioral task
behavioral1
Sample
V79 App.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target V79 App.exe
- Size 644KB
- Sample261114-wn7zcssz9l
- SHA256 6de2854b25ea0b8907b91394e56721ef454c6d4a7bc8e9dfc8966b2e25022d70
- MD5 f3f4f1650f0b405e72d876d41209e44f
- SHA1 132bb22be5e1dd3db435e810e8a2a5c21fd008da
- SHA512 26a505a0b5e9e34c776bc4fc2600f5910388347b18095056c388b4e4f405324e9bc4c3a09682d7f7855168734910d0667472e1c387517a8879815828080a76b2
- SSDEEP 12288:VIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:K5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T15CE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
remcos
Version
-
7.3.1 Pro
Botnet
-
au88
C2
-
naga17.me:443
-
naga17.me:80
-
app.naga17.me:2404
-
c2.naga17.me:2404
-
www.naga17.me:443
-
www.naga17.me:80
Attributes
-
audio_folder
au88
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
App.exe
-
copy_folder
au88
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-C3CSKT
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
- startup_value
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs
Network activity triggered a Suricata alert
flow pid Process 358 1272 App.exe 358 1272 App.exe 21 1272 App.exe 21 1272 App.exe 41 1272 App.exe 41 1272 App.exe 73 1272 App.exe 73 1272 App.exe 63 1272 App.exe 63 1272 App.exe 216 1272 App.exe 216 1272 App.exe 239 1272 App.exe 239 1272 App.exe 267 1272 App.exe 267 1272 App.exe 355 1272 App.exe 355 1272 App.exe 127 1272 App.exe 127 1272 App.exe 86 1272 App.exe 86 1272 App.exe 159 1272 App.exe 159 1272 App.exe 245 1272 App.exe 245 1272 App.exe 388 1272 App.exe 388 1272 App.exe 328 1272 App.exe 328 1272 App.exe 379 1272 App.exe 379 1272 App.exe 381 1272 App.exe 381 1272 App.exe 9 1272 App.exe 9 1272 App.exe 219 1272 App.exe 219 1272 App.exe 333 1272 App.exe 333 1272 App.exe 259 1272 App.exe 259 1272 App.exe 260 1272 App.exe 260 1272 App.exe 420 1272 App.exe 420 1272 App.exe 410 1272 App.exe 410 1272 App.exe 305 1272 App.exe 305 1272 App.exe 176 1272 App.exe 176 1272 App.exe 157 1272 App.exe 157 1272 App.exe 179 1272 App.exe 179 1272 App.exe 223 1272 App.exe 223 1272 App.exe 324 1272 App.exe 324 1272 App.exe 367 1272 App.exe 367 1272 App.exe 275 1272 App.exe 275 1272 App.exe - Executes dropped EXE 1 IoCs
pid Process 1272 App.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-C3CSKT = "\"C:\\ProgramData\\au88\\App.exe\"" App.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-C3CSKT = "\"C:\\ProgramData\\au88\\App.exe\"" App.exe Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-C3CSKT = "\"C:\\ProgramData\\au88\\App.exe\"" V79 App.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-C3CSKT = "\"C:\\ProgramData\\au88\\App.exe\"" V79 App.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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 App.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain App.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1272 App.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4848 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4848 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1272 App.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1272 App.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1272 App.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4656 wrote to memory of 1272 4656 V79 App.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\V79 App.exe"C:\Users\Admin\AppData\Local\Temp\V79 App.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\ProgramData\au88\App.exe"C:\ProgramData\au88\App.exe"2⤵
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Executes dropped EXE
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1272
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004F0 0x00000000000004FC1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4848
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\au88\App.exe
- Size 644KB
- SHA256 6de2854b25ea0b8907b91394e56721ef454c6d4a7bc8e9dfc8966b2e25022d70
- MD5 f3f4f1650f0b405e72d876d41209e44f
- SHA1 132bb22be5e1dd3db435e810e8a2a5c21fd008da
- SHA512 26a505a0b5e9e34c776bc4fc2600f5910388347b18095056c388b4e4f405324e9bc4c3a09682d7f7855168734910d0667472e1c387517a8879815828080a76b2
- SSDEEP 12288:VIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:K5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T15CE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\remcos\logs.dat
- Size 208B
- SHA256 4f34a998fefe63c8ec00f362ee1feb95be6eb9ed8e569bb13759f3302a34f2f8
- MD5 7b11fc0e90ce064abe161a819e08f4d0
- SHA1 4b739be3b0c788cd0bdb0851a0c7158b29810501
- SHA512 449e63f2822b6b292520b2c56421b4e11d8fb317eb96c70ed0f0536ac5c66ba64547f0c7d4f127f3c04d2d4e76844ac3a055ffab8a293207fff553443c28bb2c
- TLSH T1D8D0121937E111177B23D1EBD1BF01253975B5621038D40C11D3924C14F350F560478F
- MD5 SHA1 SHA512 TLSH