Overview
overview
7Static
static
3CliFx.dll
windows7-x64
1CliFx.dll
windows10-2004-x64
1Newtonsoft.Json.dll
windows7-x64
1Newtonsoft.Json.dll
windows10-2004-x64
1Ruler.Engine.dll
windows7-x64
1Ruler.Engine.dll
windows10-2004-x64
1Ruler.Engine.pdb
windows7-x64
3Ruler.Engine.pdb
windows10-2004-x64
3Ruler.IRule.deps.json
windows7-x64
3Ruler.IRule.deps.json
windows10-2004-x64
3Ruler.IRule.exe
windows7-x64
1Ruler.IRule.exe
windows10-2004-x64
1Ruler.IRule.exe
windows7-x64
1Ruler.IRule.exe
windows10-2004-x64
7Ruler.IRule.pdb
windows7-x64
3Ruler.IRule.pdb
windows10-2004-x64
3Ruler.IRul...g.json
windows7-x64
3Ruler.IRul...g.json
windows10-2004-x64
3Spectre.Console.dll
windows7-x64
1Spectre.Console.dll
windows10-2004-x64
1ref/Ruler.IRule.exe
windows7-x64
1ref/Ruler.IRule.exe
windows10-2004-x64
1Analysis
-
max time kernel
104s -
max time network
20s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
23-07-2024 05:19
Static task
static1
Behavioral task
behavioral1
Sample
CliFx.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
CliFx.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
Newtonsoft.Json.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
Newtonsoft.Json.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
Ruler.Engine.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
Ruler.Engine.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral7
Sample
Ruler.Engine.pdb
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
Ruler.Engine.pdb
Resource
win10v2004-20240709-en
Behavioral task
behavioral9
Sample
Ruler.IRule.deps.json
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
Ruler.IRule.deps.json
Resource
win10v2004-20240709-en
Behavioral task
behavioral11
Sample
Ruler.IRule.exe
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
Ruler.IRule.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral13
Sample
Ruler.IRule.exe
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
Ruler.IRule.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral15
Sample
Ruler.IRule.pdb
Resource
win7-20240708-en
Behavioral task
behavioral16
Sample
Ruler.IRule.pdb
Resource
win10v2004-20240709-en
Behavioral task
behavioral17
Sample
Ruler.IRule.runtimeconfig.json
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
Ruler.IRule.runtimeconfig.json
Resource
win10v2004-20240709-en
Behavioral task
behavioral19
Sample
Spectre.Console.dll
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
Spectre.Console.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral21
Sample
ref/Ruler.IRule.exe
Resource
win7-20240708-en
Behavioral task
behavioral22
Sample
ref/Ruler.IRule.exe
Resource
win10v2004-20240709-en
General
-
Target
Ruler.Engine.pdb
-
Size
11KB
-
MD5
52eb1dfa65939c3afb8c27d4ee389d21
-
SHA1
7bfcef34645e9386491c0052bdf2f46dbb54a0c9
-
SHA256
f74ce0efa50ebf296f7c1f9969bd095724adcb82615139e6edff570f47bc14c4
-
SHA512
720ec6d9007c2f578c219a28bdd27ea4f01d310e772e3771986ae67a0c5bdf6544c567d0a912ecfa8f03e4572523690f22bb4ced6f91db4d4f01d960565bbe35
-
SSDEEP
192:4v9M+QfFaBL23Q3rp3EV9L9s9/9D9+nhMx0cXI16GhhEnaZl/zxXkmG4sc3dQ4or:4v9htaAl5M16GnaaZl/zxXkmGPcV3WkI
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pdb\ = "pdb_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pdb rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 3020 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 3020 AcroRd32.exe 3020 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2268 wrote to memory of 2828 2268 cmd.exe rundll32.exe PID 2268 wrote to memory of 2828 2268 cmd.exe rundll32.exe PID 2268 wrote to memory of 2828 2268 cmd.exe rundll32.exe PID 2828 wrote to memory of 3020 2828 rundll32.exe AcroRd32.exe PID 2828 wrote to memory of 3020 2828 rundll32.exe AcroRd32.exe PID 2828 wrote to memory of 3020 2828 rundll32.exe AcroRd32.exe PID 2828 wrote to memory of 3020 2828 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Ruler.Engine.pdb1⤵
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Ruler.Engine.pdb2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Ruler.Engine.pdb"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5f3dd775f97558d2896dd72640ab89e3b
SHA15645096f93d40d3b8b2b1970f3724c692ae4805a
SHA256ca75a899a8453eaec111a54389c404b063d308141c0460f30888c53c686fe888
SHA512a66de369286eebb838f422fcb16c01e1d0fc14fb4f73a93b2d737efd0619e2d113d189c8953a33c77a084d5d5e47d121918f9e29fc2e96240bc212fefd5e98d0