Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
19/05/2024, 01:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe
Resource
win7-20240508-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe
Resource
win10v2004-20240508-en
5 signatures
150 seconds
General
- Target 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe
- Size 1.1MB
- Sample240519-blsfnsae2y
- SHA256 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190
- MD5 4ef725e78d41b96d40ad546b5d92efe9
- SHA1 b8ee90718310eeab41306d79df5f1cc8b02f7f5b
- SHA512 20bccba9827758fdd077c0e2d6051a6537ac57ddb80265b16fe410c12639470d1c96ca6cec2cc2941793e628b7e5ae47320ace91e92ddb7a6550026840a1e20e
- SSDEEP 24576:b6G5oq6WlY5EQJbBCt598PkfzGwWPEXyqQ:bPQrJChIP1q
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
remcos
Botnet
-
RemoteHost
C2
-
104.194.152.154:3678
Attributes
-
audio_folder
MicRecords
-
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-MI0D28
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Blmpvfff = "C:\\Users\\Public\\Blmpvfff.url" 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe - Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 26 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 27 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3444 wrote to memory of 4948 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe 99 PID 3444 wrote to memory of 4948 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe 99 PID 3444 wrote to memory of 4948 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe 99 PID 3444 wrote to memory of 1968 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe 100 PID 3444 wrote to memory of 1968 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe 100 PID 3444 wrote to memory of 1968 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe 100 PID 3444 wrote to memory of 1968 3444 95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe"C:\Users\Admin\AppData\Local\Temp\95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\95311fc0f7c080fc57155842d9f00c404813f27744c9142dfb785d0bcd410190.exe C:\\Users\\Public\\Libraries\\Blmpvfff.PIF2⤵PID:4948
-
-
C:\Windows\SysWOW64\colorcpl.exeC:\Windows\System32\colorcpl.exe2⤵PID:1968
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 146B
- SHA256 23a0ae3fd1a9e87bf13ab9778f86458dadfc3f00a0ea8fe05ea3c9a5399ce57d
- MD5 67e54a9164f3f33f37f6727a6244e816
- SHA1 b7f3a7411bcd6346acfca1ea144b8ecae46886e4
- SHA512 1a904dcf201899bfd3b22afa14eb4cf919b501671f84d8f0da2bc989468257f80a43a98be1446d6262c982c0d097e80461b93f499b96ea2cac443e4954a67288
- MD5 SHA1 SHA512