Analysis
-
max time kernel
151s -
max time network
144s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
21-01-2022 23:17
Static task
static1
Behavioral task
behavioral1
Sample
c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe
Resource
win10-en-20211208
General
-
Target
c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe
-
Size
741KB
-
MD5
33b020831073aa2daed2f89573487af8
-
SHA1
b5385a01025431b88b4140538f6885904a496471
-
SHA256
c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d
-
SHA512
a629fe3aea2717ca5dc4396af12b091801337021b829fdcc529a6f7e5106c249b0715902897da64aa7ee00935350b49e1c6a513819a6e112927962f580e096f8
Malware Config
Extracted
remcos
2.5.0 Pro
TREINTAYSIETE
treintaysieteremc.duckdns.org:1011
-
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-UJ9U6Z
-
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
-
Blocklisted process makes network request 5 IoCs
Processes:
cmd.exeflow pid process 7 632 cmd.exe 8 632 cmd.exe 9 632 cmd.exe 11 632 cmd.exe 15 632 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 520 rundll32.exe -
Drops file in Windows directory 1 IoCs
Processes:
cmd.exedescription ioc process File created C:\Windows\Tasks\gpresult.job cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
rundll32.exepid process 520 rundll32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 520 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
cmd.exepid process 632 cmd.exe -
Suspicious use of WriteProcessMemory 52 IoCs
Processes:
c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exerundll32.exedescription pid process target process PID 940 wrote to memory of 520 940 c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe rundll32.exe PID 940 wrote to memory of 520 940 c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe rundll32.exe PID 940 wrote to memory of 520 940 c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe rundll32.exe PID 940 wrote to memory of 520 940 c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe rundll32.exe PID 940 wrote to memory of 520 940 c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe rundll32.exe PID 940 wrote to memory of 520 940 c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe rundll32.exe PID 940 wrote to memory of 520 940 c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe rundll32.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe PID 520 wrote to memory of 632 520 rundll32.exe cmd.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe"C:\Users\Admin\AppData\Local\Temp\c557af22044eaf1eafbe570f708695970ad43efeaca212f6a18c3c62e29c3a0d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe KakaGemot,Hurley2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Blocklisted process makes network request
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\EmphysemaMD5
47524c7eab55348890f071a26a029463
SHA12c9d2ad5ae07648d2c660d8eefe55420dd92a92e
SHA2564e7315af8cf80ed459a12ea55714cf00c2c04a905a87514f7181ad8c027c7844
SHA5124fadfa9b177dbbd977655f1b99fe1476a74308e9f3407db988778e91ea74c0312b1fa96b919770229f7ee0803f306c0c76f8f9b0cced22ad39fb24b208b9def2
-
C:\Users\Admin\AppData\Local\Temp\KakaGemot.DLLMD5
c0e01643919e063ff6cd9affd17da14e
SHA165b873d8420b6cd2b682741a02fca4c2b21cbdc2
SHA25668beebeceae97af14b3e80d41ad894e7e3ca28fc2297b9dbf50567efd9bf6ca3
SHA51235aa70d36ff3bc2721bce58640114de59a405aff02083daa533e83d371eaa9efc1d44e8faecf91f723752ba92bcbd95618ce0bbcd1445677e0bc96025568f6da
-
\Users\Admin\AppData\Local\Temp\KakaGemot.dllMD5
c0e01643919e063ff6cd9affd17da14e
SHA165b873d8420b6cd2b682741a02fca4c2b21cbdc2
SHA25668beebeceae97af14b3e80d41ad894e7e3ca28fc2297b9dbf50567efd9bf6ca3
SHA51235aa70d36ff3bc2721bce58640114de59a405aff02083daa533e83d371eaa9efc1d44e8faecf91f723752ba92bcbd95618ce0bbcd1445677e0bc96025568f6da
-
memory/520-58-0x0000000000140000-0x0000000000142000-memory.dmpFilesize
8KB
-
memory/520-59-0x00000000758F0000-0x0000000075925000-memory.dmpFilesize
212KB
-
memory/520-60-0x0000000077590000-0x0000000077739000-memory.dmpFilesize
1.7MB
-
memory/632-62-0x0000000077590000-0x0000000077739000-memory.dmpFilesize
1.7MB
-
memory/632-63-0x0000000000090000-0x0000000000096000-memory.dmpFilesize
24KB
-
memory/632-68-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
-
memory/940-53-0x0000000076121000-0x0000000076123000-memory.dmpFilesize
8KB