Analysis
-
max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-02-2023 18:48
Static task
static1
Behavioral task
behavioral1
Sample
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe
Resource
win10v2004-20220812-en
General
-
Target
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe
-
Size
7KB
-
MD5
b359f4af5c88b1e237db9738415b7682
-
SHA1
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
-
SHA256
53ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
-
SHA512
6d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
-
SSDEEP
96:xtEsKVeCVIP7bLp8LAn5c8aY1ej/kKV+J2qzNt:xUVVIP7bLrEOejcKYx
Malware Config
Extracted
remcos
RemoteHost
194.180.49.17:28282
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
rdfghfgjkgoighjc.exe
-
copy_folder
Remcos
-
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-PC1DJ2
-
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
-
Detect PureCrypter injector 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1968-56-0x0000000007220000-0x00000000074BE000-memory.dmp family_purecrypter -
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
-
Executes dropped EXE 2 IoCs
Processes:
rdfghfgjkgoighjc.exerdfghfgjkgoighjc.exepid process 2028 rdfghfgjkgoighjc.exe 860 rdfghfgjkgoighjc.exe -
Loads dropped DLL 1 IoCs
Processes:
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exepid process 1172 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe -
Adds Run key to start application 2 TTPs 10 IoCs
Processes:
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exerdfghfgjkgoighjc.exed7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exerdfghfgjkgoighjc.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\ProgramData\\Remcos\\rdfghfgjkgoighjc.exe\"" d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\ProgramData\\Remcos\\rdfghfgjkgoighjc.exe\"" rdfghfgjkgoighjc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\ProgramData\\Remcos\\rdfghfgjkgoighjc.exe\"" rdfghfgjkgoighjc.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ rdfghfgjkgoighjc.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ rdfghfgjkgoighjc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Phecxlkxbf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zwpfblvosjv\\Phecxlkxbf.exe\"" d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Remcos = "\"C:\\ProgramData\\Remcos\\rdfghfgjkgoighjc.exe\"" d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Phecxlkxbf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zwpfblvosjv\\Phecxlkxbf.exe\"" rdfghfgjkgoighjc.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exerdfghfgjkgoighjc.exedescription pid process target process PID 1968 set thread context of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 2028 set thread context of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepowershell.exepid process 1288 powershell.exe 1256 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exepowershell.exerdfghfgjkgoighjc.exepowershell.exedescription pid process Token: SeDebugPrivilege 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 2028 rdfghfgjkgoighjc.exe Token: SeDebugPrivilege 1256 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
rdfghfgjkgoighjc.exepid process 860 rdfghfgjkgoighjc.exe -
Suspicious use of WriteProcessMemory 38 IoCs
Processes:
d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exed7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exerdfghfgjkgoighjc.exedescription pid process target process PID 1968 wrote to memory of 1288 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe powershell.exe PID 1968 wrote to memory of 1288 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe powershell.exe PID 1968 wrote to memory of 1288 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe powershell.exe PID 1968 wrote to memory of 1288 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe powershell.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1968 wrote to memory of 1172 1968 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe PID 1172 wrote to memory of 2028 1172 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe rdfghfgjkgoighjc.exe PID 1172 wrote to memory of 2028 1172 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe rdfghfgjkgoighjc.exe PID 1172 wrote to memory of 2028 1172 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe rdfghfgjkgoighjc.exe PID 1172 wrote to memory of 2028 1172 d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 1256 2028 rdfghfgjkgoighjc.exe powershell.exe PID 2028 wrote to memory of 1256 2028 rdfghfgjkgoighjc.exe powershell.exe PID 2028 wrote to memory of 1256 2028 rdfghfgjkgoighjc.exe powershell.exe PID 2028 wrote to memory of 1256 2028 rdfghfgjkgoighjc.exe powershell.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe PID 2028 wrote to memory of 860 2028 rdfghfgjkgoighjc.exe rdfghfgjkgoighjc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe"C:\Users\Admin\AppData\Local\Temp\d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exeC:\Users\Admin\AppData\Local\Temp\d7fa6d87594ea4d8b5740d54fdc204b08f4e9439.exe2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Remcos\rdfghfgjkgoighjc.exe"C:\ProgramData\Remcos\rdfghfgjkgoighjc.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\Remcos\rdfghfgjkgoighjc.exeC:\ProgramData\Remcos\rdfghfgjkgoighjc.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\ProgramData\Remcos\rdfghfgjkgoighjc.exeFilesize
7KB
MD5b359f4af5c88b1e237db9738415b7682
SHA1d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
SHA25653ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
SHA5126d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
-
C:\ProgramData\Remcos\rdfghfgjkgoighjc.exeFilesize
7KB
MD5b359f4af5c88b1e237db9738415b7682
SHA1d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
SHA25653ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
SHA5126d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
-
C:\ProgramData\Remcos\rdfghfgjkgoighjc.exeFilesize
7KB
MD5b359f4af5c88b1e237db9738415b7682
SHA1d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
SHA25653ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
SHA5126d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD571fdafebee3266c6b511e22d01c58a69
SHA1627071bc056bfb3640e21bff4273ca721292f354
SHA256e8e94248909649c349702a08485c97b9e084ddc213583e22029fad7d1b177e41
SHA51226ffee86628017569c8b711f25fa5ec62dd6d2ff910c7cb480dffaa2f85501ef10012db9a7706c811c95a273392042929f2cada9b24892746d76717193e5d2e0
-
C:\Users\Admin\AppData\Roaming\Zwpfblvosjv\Phecxlkxbf.exeMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
-
\ProgramData\Remcos\rdfghfgjkgoighjc.exeFilesize
7KB
MD5b359f4af5c88b1e237db9738415b7682
SHA1d7fa6d87594ea4d8b5740d54fdc204b08f4e9439
SHA25653ddb9a75bca1115a66745b28086afbd394cef38f8437dda641b1219111df8cd
SHA5126d4f06f36c608d3202d29629f9d9a70eadfbffbb23c7c074fbb610ed9e1926bf6e04c8dfecbbaf1d575fb2d0385d237aff2dbda322b092d4ef7728091eb596cb
-
memory/860-113-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/860-112-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/860-111-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/860-107-0x0000000000432E48-mapping.dmp
-
memory/1172-79-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-83-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-69-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-70-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-71-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-73-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-75-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-76-0x0000000000432E48-mapping.dmp
-
memory/1172-68-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-63-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-66-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1172-64-0x0000000000400000-0x0000000000480000-memory.dmpFilesize
512KB
-
memory/1256-91-0x000000006EE70000-0x000000006F41B000-memory.dmpFilesize
5.7MB
-
memory/1256-87-0x0000000000000000-mapping.dmp
-
memory/1256-92-0x000000006EE70000-0x000000006F41B000-memory.dmpFilesize
5.7MB
-
memory/1256-90-0x000000006EE70000-0x000000006F41B000-memory.dmpFilesize
5.7MB
-
memory/1288-59-0x000000006EEB0000-0x000000006F45B000-memory.dmpFilesize
5.7MB
-
memory/1288-57-0x0000000000000000-mapping.dmp
-
memory/1288-61-0x000000006EEB0000-0x000000006F45B000-memory.dmpFilesize
5.7MB
-
memory/1288-60-0x000000006EEB0000-0x000000006F45B000-memory.dmpFilesize
5.7MB
-
memory/1968-62-0x0000000005650000-0x00000000056D0000-memory.dmpFilesize
512KB
-
memory/1968-54-0x0000000001340000-0x0000000001348000-memory.dmpFilesize
32KB
-
memory/1968-56-0x0000000007220000-0x00000000074BE000-memory.dmpFilesize
2.6MB
-
memory/1968-55-0x0000000075141000-0x0000000075143000-memory.dmpFilesize
8KB
-
memory/2028-81-0x0000000000000000-mapping.dmp
-
memory/2028-85-0x0000000000D60000-0x0000000000D68000-memory.dmpFilesize
32KB