Analysis Overview
SHA256
28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788
Threat Level: Known bad
The file 28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788 was found to be: Known bad.
Malicious Activity Summary
Imminent RAT
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Drops desktop.ini file(s)
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-15 16:16
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-15 16:16
Reported
2022-06-15 20:38
Platform
win7-20220414-en
Max time kernel
141s
Max time network
158s
Command Line
Signatures
Imminent RAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 664 set thread context of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe
"C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe"
C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe
"C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe"
C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe
"C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe"
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x51c
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp |
Files
memory/664-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp
memory/664-55-0x0000000074580000-0x0000000074B2B000-memory.dmp
\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe
| MD5 | a08d8b4101519dc1fda3b19687f794c5 |
| SHA1 | 56258f9eb8d66902b61bf711f3c6c08c946d9deb |
| SHA256 | 54bf9eb1a89bb1579800ca524e34a1c5411458e0fce86b166521e50a6fe0c652 |
| SHA512 | 20f6d1c4b8865c8bf71be75cea71119aa3feb7bb469cd6134b5cbefbf0740077f130189c52d67c7f1c8d3bfa6b41fb035a0ceef9510b0ef671466af8d15e6851 |
memory/1984-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe
| MD5 | a08d8b4101519dc1fda3b19687f794c5 |
| SHA1 | 56258f9eb8d66902b61bf711f3c6c08c946d9deb |
| SHA256 | 54bf9eb1a89bb1579800ca524e34a1c5411458e0fce86b166521e50a6fe0c652 |
| SHA512 | 20f6d1c4b8865c8bf71be75cea71119aa3feb7bb469cd6134b5cbefbf0740077f130189c52d67c7f1c8d3bfa6b41fb035a0ceef9510b0ef671466af8d15e6851 |
\Users\Admin\AppData\Local\Temp\dup2patcher.dll
| MD5 | 97aedd5a683b05e0e48cb6b65b74eacf |
| SHA1 | 08c9cc1aaddb2843d4c6c4495aa21df1269ba18f |
| SHA256 | 3310f031e2ca4fda494eb49b386fa33d63cbc797a1244d6a0350f80656e97e26 |
| SHA512 | 83c1f3a0b87407cbd403fc2dd66ee0676b01826085e8ba2e7349ce855da8442ad8a3f9021f10c4cd7dd31761571277eb3451ac1c05e5a8ed6b05624fb6a4d6e9 |
memory/664-61-0x0000000074580000-0x0000000074B2B000-memory.dmp
memory/1984-62-0x00000000717B0000-0x000000007183C000-memory.dmp
\Users\Admin\AppData\Local\Temp\bassmod.dll
| MD5 | e4ec57e8508c5c4040383ebe6d367928 |
| SHA1 | b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06 |
| SHA256 | 8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f |
| SHA512 | 77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822 |
memory/1984-64-0x0000000010000000-0x0000000010013000-memory.dmp
memory/1984-66-0x0000000010000000-0x0000000010013000-memory.dmp
memory/1756-65-0x0000000000402000-0x0000000000493C00-memory.dmp
memory/1756-68-0x0000000000400000-0x0000000000401000-memory.dmp
memory/1756-70-0x0000000000402000-0x0000000000493C00-memory.dmp
memory/1756-67-0x0000000000400000-0x0000000000401000-memory.dmp
memory/1756-72-0x0000000074580000-0x0000000074B2B000-memory.dmp
memory/664-73-0x0000000074580000-0x0000000074B2B000-memory.dmp
memory/1756-74-0x0000000074580000-0x0000000074B2B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-15 16:16
Reported
2022-06-15 20:38
Platform
win10v2004-20220414-en
Max time kernel
152s
Max time network
158s
Command Line
Signatures
Imminent RAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2964 set thread context of 4488 | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe
"C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe"
C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe
"C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe"
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x320 0x2f8
C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe
"C:\Users\Admin\AppData\Local\Temp\28d9e1599d9929493db8c12a48029f33d60e6017a2aced3920dce8fae1b00788.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 13.89.178.27:443 | tcp | |
| NL | 104.109.143.11:80 | tcp | |
| US | 8.8.8.8:53 | 176.122.125.40.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| NL | 88.221.144.179:80 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| NL | 104.109.143.9:80 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp | |
| SG | 139.59.234.62:2443 | tcp |
Files
memory/2964-130-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/2964-131-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4376-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe
| MD5 | a08d8b4101519dc1fda3b19687f794c5 |
| SHA1 | 56258f9eb8d66902b61bf711f3c6c08c946d9deb |
| SHA256 | 54bf9eb1a89bb1579800ca524e34a1c5411458e0fce86b166521e50a6fe0c652 |
| SHA512 | 20f6d1c4b8865c8bf71be75cea71119aa3feb7bb469cd6134b5cbefbf0740077f130189c52d67c7f1c8d3bfa6b41fb035a0ceef9510b0ef671466af8d15e6851 |
C:\Users\Admin\AppData\Roaming\ransomware.defender.v.3.5.7-patch.exe
| MD5 | a08d8b4101519dc1fda3b19687f794c5 |
| SHA1 | 56258f9eb8d66902b61bf711f3c6c08c946d9deb |
| SHA256 | 54bf9eb1a89bb1579800ca524e34a1c5411458e0fce86b166521e50a6fe0c652 |
| SHA512 | 20f6d1c4b8865c8bf71be75cea71119aa3feb7bb469cd6134b5cbefbf0740077f130189c52d67c7f1c8d3bfa6b41fb035a0ceef9510b0ef671466af8d15e6851 |
C:\Users\Admin\AppData\Local\Temp\dup2patcher.dll
| MD5 | 97aedd5a683b05e0e48cb6b65b74eacf |
| SHA1 | 08c9cc1aaddb2843d4c6c4495aa21df1269ba18f |
| SHA256 | 3310f031e2ca4fda494eb49b386fa33d63cbc797a1244d6a0350f80656e97e26 |
| SHA512 | 83c1f3a0b87407cbd403fc2dd66ee0676b01826085e8ba2e7349ce855da8442ad8a3f9021f10c4cd7dd31761571277eb3451ac1c05e5a8ed6b05624fb6a4d6e9 |
memory/4376-136-0x0000000071BD0000-0x0000000071C5C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bassmod.dll
| MD5 | e4ec57e8508c5c4040383ebe6d367928 |
| SHA1 | b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06 |
| SHA256 | 8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f |
| SHA512 | 77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822 |
memory/4376-138-0x0000000010000000-0x0000000010013000-memory.dmp
memory/4488-139-0x0000000000000000-mapping.dmp
memory/4376-140-0x0000000010000000-0x0000000010013000-memory.dmp
memory/4488-142-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/2964-143-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4488-144-0x0000000074930000-0x0000000074EE1000-memory.dmp
memory/4376-145-0x0000000071BD0000-0x0000000071C5C000-memory.dmp