Analysis Overview
SHA256
08aacd7ef1a400cc83e1a3f70c77057d993887b856e65499736bc4959282b79f
Threat Level: Known bad
The file 2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Disables Task Manager via registry modification
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Suspicious use of WriteProcessMemory
System policy modification
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-10 01:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-10 01:01
Reported
2024-05-10 01:04
Platform
win7-20240508-en
Max time kernel
149s
Max time network
145s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe | N/A |
Disables Task Manager via registry modification
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Avast = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Avast = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| RU | 82.202.167.202:1610 | tcp | |
| RU | 82.146.51.26:1610 | tcp | |
| RU | 82.202.167.202:1610 | tcp | |
| RU | 82.146.51.26:1610 | tcp | |
| RU | 82.202.167.202:1610 | tcp | |
| RU | 82.146.51.26:1610 | tcp | |
| RU | 82.202.167.202:1610 | tcp |
Files
memory/2172-0-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2172-1-0x0000000000260000-0x0000000000261000-memory.dmp
\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
| MD5 | 2c92fa8e43a76c9e0ce8f0bfaabf1c33 |
| SHA1 | a094988f5ef3e42f032de97d1770e314ed672502 |
| SHA256 | 08aacd7ef1a400cc83e1a3f70c77057d993887b856e65499736bc4959282b79f |
| SHA512 | 10fbb628fa0ab0bee1e4864b10410ad7b21be6091634e3a93041c912ce14dd96056bfcfcd0cc7e8a44bdbc8f7e72729b9316615bd1e1d8e1cf76827abdddabc0 |
memory/2172-9-0x0000000003F20000-0x0000000003FD5000-memory.dmp
memory/2748-14-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2172-12-0x0000000003F20000-0x0000000003FD5000-memory.dmp
memory/1932-54-0x0000000000220000-0x0000000000221000-memory.dmp
memory/1932-16-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2172-55-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2748-56-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2748-58-0x0000000000400000-0x00000000004B5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-10 01:01
Reported
2024-05-10 01:04
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe | N/A |
Disables Task Manager via registry modification
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Avast = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Avast = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2c92fa8e43a76c9e0ce8f0bfaabf1c33_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 2.17.196.177:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| BE | 2.17.196.177:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 177.196.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| RU | 82.202.167.202:1610 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| RU | 82.146.51.26:1610 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.166.122.92.in-addr.arpa | udp |
| RU | 82.202.167.202:1610 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| RU | 82.146.51.26:1610 | tcp | |
| US | 52.111.227.11:443 | tcp | |
| RU | 82.202.167.202:1610 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| RU | 82.146.51.26:1610 | tcp | |
| RU | 82.202.167.202:1610 | tcp |
Files
memory/1952-0-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1952-1-0x0000000002290000-0x0000000002291000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
| MD5 | 2c92fa8e43a76c9e0ce8f0bfaabf1c33 |
| SHA1 | a094988f5ef3e42f032de97d1770e314ed672502 |
| SHA256 | 08aacd7ef1a400cc83e1a3f70c77057d993887b856e65499736bc4959282b79f |
| SHA512 | 10fbb628fa0ab0bee1e4864b10410ad7b21be6091634e3a93041c912ce14dd96056bfcfcd0cc7e8a44bdbc8f7e72729b9316615bd1e1d8e1cf76827abdddabc0 |
memory/1564-62-0x0000000002160000-0x0000000002161000-memory.dmp
memory/3448-63-0x00000000007C0000-0x00000000007C1000-memory.dmp
memory/1952-65-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1564-66-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1564-68-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1564-70-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1564-72-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1564-76-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/1564-78-0x0000000000400000-0x00000000004B5000-memory.dmp