Analysis
- max time kernel
150s - max time network
154s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
08/03/2023, 10:31
Static task
static1
Behavioral task
behavioral1
Sample
003930033_pdf.exe
Resource
win7-20230220-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
003930033_pdf.exe
Resource
win10v2004-20230221-en
4 signatures
150 seconds
General
- Target 003930033_pdf.exe
- Size 2.2MB
- Sample230308-mkcvdafa7w
- SHA256 433ec4a66199db2b368a536e9d9656506836fa404560758a59808b0f85311172
- MD5 bd8e3826d0a4cff5f191bbc2ed28eeff
- SHA1 120623779ed2176ee37c2b120f34e1849a13ed4f
- SHA512 d0e73270aa5d7542b112bec35077cbfd18c0db0c862aa0d0444d8b612b367e59ac983b9ab67f51165b05dbac7059e7111ab50ca7495f378c6259cbcf1d541e81
- SSDEEP 24576:T5zlxkRbIKuvQp3JWwYsYpC8S9b6wubCG5WO:tWc23Athb+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
remcos
Botnet
-
RemoteHost
C2
-
127.0.0.1:59301
-
10.15.0.19:59301
-
185.65.134.165:59301
-
171.22.30.101:59301
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-30GS25
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1228 set thread context of 2036 1228 003930033_pdf.exe 27 - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2036 RegAsm.exe - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27 PID 1228 wrote to memory of 2036 1228 003930033_pdf.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\003930033_pdf.exe"C:\Users\Admin\AppData\Local\Temp\003930033_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:2036
-