Analysis
-
max time kernel
149s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
25-12-2024 14:43
Static task
static1
Behavioral task
behavioral1
Sample
PDF 86812376724_PO.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
PDF 86812376724_PO.exe
Resource
win10v2004-20241007-en
General
-
Target
PDF 86812376724_PO.exe
-
Size
561KB
-
MD5
28fdba7295380d922ef4db0deda34705
-
SHA1
69a33211d1b5b375e886bfb2ab2eadad79e1f61c
-
SHA256
95935a1ae37717226eb2b3d7c53a97cdabe5e9b28d370237f7badef2820ff29b
-
SHA512
664244459e0da68779b567ea297909169b2f9f9852d1664c8b18bfdc239b4342723cee2b21c4fd631cee9ef2e37354368a19ada74af34db9fb4319b1be684ca3
-
SSDEEP
12288:iP2oEhUMrM7FX/SdjY3ZrL26hnkKVJxgkI+:iuzUMrYXaBKX1kKVEkI
Malware Config
Extracted
remcos
2.7.0 Pro
AAAAAAAAAAA
incidencias6645.ddns.net:8638
-
audio_folder
MicRecords
-
audio_path
%AppData%
-
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
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-Y8P2FO
-
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
-
take_screenshot_title
wikipedia;solitaire;
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Modiloader family
-
Remcos family
-
ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/2116-27-0x0000000004B70000-0x0000000004BC6000-memory.dmp modiloader_stage2 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nijn = "C:\\Users\\Admin\\AppData\\Local\\njiN.url" PDF 86812376724_PO.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 2 discord.com 5 drive.google.com 6 drive.google.com -
System Location Discovery: System Language Discovery 1 TTPs 2 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 PDF 86812376724_PO.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ieinstal.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2148 ieinstal.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30 PID 2116 wrote to memory of 2148 2116 PDF 86812376724_PO.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\PDF 86812376724_PO.exe"C:\Users\Admin\AppData\Local\Temp\PDF 86812376724_PO.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Program Files (x86)\internet explorer\ieinstal.exe"C:\Program Files (x86)\internet explorer\ieinstal.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2148
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
74B
MD59c3bddbd7712fced5522006f05f69f63
SHA123e4ca871f64cb3a072910cca3d687b70c6c042b
SHA25605f8caabc992099ab8397e8ae6f2a057f8ae4e2f8cf4513e4d5bb7e99d1d5ac5
SHA5129c5ceaa474c400056645489d1aac8f0c1644a45dfdc00a97d5dafc9d83cc720101a21660c3ed2da5bc3d25f23ce3ca33a22943dd16bffa5adaef5faaf48dfb73