Analysis Overview
SHA256
6e9684d4b9c12a050ce73e4da9204e9b3db3cadca1ce03b8b4438dd19d36bd1d
Threat Level: Known bad
The file ec03c8da575fa5ee4745506b340968e6.bin was found to be: Known bad.
Malicious Activity Summary
NanoCore
Executes dropped EXE
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-01 04:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-01 04:02
Reported
2024-07-01 04:05
Platform
win7-20231129-en
Max time kernel
126s
Max time network
149s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3024 set thread context of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 2308 set thread context of 1664 | N/A | C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 1860 set thread context of 2400 | N/A | C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7.exe
"C:\Users\Admin\AppData\Local\Temp\26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\DDfiles"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7.exe" "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Windows\system32\taskeng.exe
taskeng.exe {5A91D7DD-D467-422A-AE41-95C5DA4DC8C4} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\DDfiles"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe" "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\DDfiles"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe" "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | munan.duckdns.org | udp |
| US | 8.8.4.4:53 | munan.duckdns.org | udp |
| US | 18.210.161.224:3637 | munan.duckdns.org | tcp |
Files
memory/3024-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp
memory/3024-1-0x0000000001340000-0x0000000001390000-memory.dmp
memory/3024-2-0x0000000074BF0000-0x00000000752DE000-memory.dmp
memory/2128-3-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2128-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2128-15-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2128-13-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2128-7-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2128-5-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2128-4-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2128-11-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3024-16-0x0000000074BF0000-0x00000000752DE000-memory.dmp
memory/2128-20-0x0000000000A80000-0x0000000000A8A000-memory.dmp
memory/2128-21-0x0000000000A90000-0x0000000000A9C000-memory.dmp
memory/2128-22-0x0000000000AA0000-0x0000000000ABE000-memory.dmp
memory/2128-23-0x0000000000B10000-0x0000000000B1A000-memory.dmp
memory/2128-26-0x0000000000BC0000-0x0000000000BCC000-memory.dmp
memory/2128-27-0x0000000000BD0000-0x0000000000BEA000-memory.dmp
memory/2128-28-0x0000000000C40000-0x0000000000C4E000-memory.dmp
memory/2128-29-0x0000000000CA0000-0x0000000000CB2000-memory.dmp
memory/2128-30-0x0000000000D30000-0x0000000000D3C000-memory.dmp
memory/2128-31-0x0000000000D80000-0x0000000000D8E000-memory.dmp
memory/2128-32-0x0000000000D90000-0x0000000000DA4000-memory.dmp
memory/2128-33-0x0000000000E20000-0x0000000000E34000-memory.dmp
memory/2128-34-0x0000000000E30000-0x0000000000E3E000-memory.dmp
memory/2128-35-0x0000000002910000-0x000000000293E000-memory.dmp
memory/2128-36-0x0000000002980000-0x0000000002994000-memory.dmp
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
| MD5 | ec03c8da575fa5ee4745506b340968e6 |
| SHA1 | 357374aa9b28d6571ebcf3b535b3cd8fe85eebba |
| SHA256 | 26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7 |
| SHA512 | 2d01fa27ef375f77db7e3a896877db902ea52578aaa13aaec2aef3ce8a0199b1de56ca70602bac24f4fd2278ed5835e2c373c0626a05e95929deb93abb94137a |
memory/2308-40-0x0000000000BB0000-0x0000000000C00000-memory.dmp
memory/1664-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-01 04:02
Reported
2024-07-01 04:05
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
155s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2516 set thread context of 1072 | N/A | C:\Users\Admin\AppData\Local\Temp\26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 5024 set thread context of 972 | N/A | C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 180 set thread context of 728 | N/A | C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7.exe
"C:\Users\Admin\AppData\Local\Temp\26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\DDfiles"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7.exe" "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\DDfiles"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe" "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\DDfiles"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe" "C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe'" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | munan.duckdns.org | udp |
| US | 8.8.4.4:53 | munan.duckdns.org | udp |
| US | 8.8.8.8:53 | 4.4.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | munan.duckdns.org | udp |
| US | 8.8.8.8:53 | munan.duckdns.org | udp |
| US | 8.8.4.4:53 | munan.duckdns.org | udp |
| US | 8.8.8.8:53 | munan.duckdns.org | udp |
| US | 8.8.8.8:53 | munan.duckdns.org | udp |
| US | 8.8.4.4:53 | munan.duckdns.org | udp |
| US | 8.8.8.8:53 | munan.duckdns.org | udp |
| US | 8.8.8.8:53 | munabc.duckdns.org | udp |
| US | 8.8.4.4:53 | munabc.duckdns.org | udp |
| US | 8.8.8.8:53 | munabc.duckdns.org | udp |
| US | 8.8.8.8:53 | munabc.duckdns.org | udp |
Files
memory/2516-0-0x00000000746FE000-0x00000000746FF000-memory.dmp
memory/2516-1-0x0000000000FC0000-0x0000000001010000-memory.dmp
memory/2516-3-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/2516-2-0x0000000005F80000-0x0000000006524000-memory.dmp
memory/1072-6-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/1072-9-0x00000000051F0000-0x000000000528C000-memory.dmp
memory/1072-12-0x00000000050A0000-0x00000000050AA000-memory.dmp
memory/1072-8-0x00000000050B0000-0x0000000005142000-memory.dmp
memory/1072-16-0x00000000053C0000-0x00000000053DE000-memory.dmp
memory/1072-17-0x0000000005E70000-0x0000000005E7A000-memory.dmp
memory/1072-15-0x00000000051E0000-0x00000000051EC000-memory.dmp
memory/1072-14-0x00000000051D0000-0x00000000051DA000-memory.dmp
memory/2516-7-0x00000000746F0000-0x0000000074EA0000-memory.dmp
memory/1072-4-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1072-18-0x00000000746F0000-0x0000000074EA0000-memory.dmp
C:\Users\Admin\AppData\Roaming\DDfiles\DDfiles.exe
| MD5 | ec03c8da575fa5ee4745506b340968e6 |
| SHA1 | 357374aa9b28d6571ebcf3b535b3cd8fe85eebba |
| SHA256 | 26321ed18abb4d44668e157dcb9a123debe3b7477d95055d20e5f5d997bf60d7 |
| SHA512 | 2d01fa27ef375f77db7e3a896877db902ea52578aaa13aaec2aef3ce8a0199b1de56ca70602bac24f4fd2278ed5835e2c373c0626a05e95929deb93abb94137a |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DDfiles.exe.log
| MD5 | 03febbff58da1d3318c31657d89c8542 |
| SHA1 | c9e017bd9d0a4fe533795b227c855935d86c2092 |
| SHA256 | 5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4 |
| SHA512 | 3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegAsm.exe.log
| MD5 | 84e77a587d94307c0ac1357eb4d3d46f |
| SHA1 | 83cc900f9401f43d181207d64c5adba7a85edc1e |
| SHA256 | e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99 |
| SHA512 | aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691 |