Analysis Overview
SHA256
7e08d267c3771ac900b9ecfe7b293aa7337a276a5929997180709b74114cdacb
Threat Level: Known bad
The file r1522024.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Nirsoft
NirSoft MailPassView
NirSoft WebBrowserPassView
Reads user/profile data of web browsers
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Accesses Microsoft Outlook accounts
Adds Run key to start application
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Drops file in Program Files directory
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-15 15:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-15 15:31
Reported
2024-02-15 15:33
Platform
win7-20240215-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\disharmonize\semidivided.ini | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Fonts\snlig.ini | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
Enumerates physical storage devices
Processes
C:\Users\Admin\AppData\Local\Temp\r1522024.exe
"C:\Users\Admin\AppData\Local\Temp\r1522024.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nso1315.tmp\System.dll
| MD5 | 564bb0373067e1785cba7e4c24aab4bf |
| SHA1 | 7c9416a01d821b10b2eef97b80899d24014d6fc1 |
| SHA256 | 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5 |
| SHA512 | 22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472 |
C:\Windows\Fonts\snlig.ini
| MD5 | 75285908e15263897f2fe77cc637ef6e |
| SHA1 | cc5a707cae259834b2453a305af9453b7b7412ac |
| SHA256 | 6fc175d4186cfb67d46e22b277602aa3ec665ad44c9854e7bdaf0e5a25cefbc5 |
| SHA512 | e93afaa0772d9aa9a8d77e44473a5c58cf9f3b214b76d5ed94e08dbc2ae9ef3d67b470073b83c157318bfa67fb44e17833af313efe8ded28e07d55272eb4edb2 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-15 15:31
Reported
2024-02-15 15:33
Platform
win10v2004-20231215-en
Max time kernel
142s
Max time network
154s
Command Line
Signatures
Remcos
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\ProgramData\images\images.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-ZOAGZI = "\"C:\\ProgramData\\images\\images.exe\"" | C:\ProgramData\images\images.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-ZOAGZI = "\"C:\\ProgramData\\images\\images.exe\"" | C:\ProgramData\images\images.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Acanthial = "C:\\Users\\Admin\\AppData\\Roaming\\Flockling\\Spkbrtter23.exe" | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-ZOAGZI = "\"C:\\ProgramData\\images\\images.exe\"" | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-ZOAGZI = "\"C:\\ProgramData\\images\\images.exe\"" | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Acanthial = "C:\\Users\\Admin\\AppData\\Roaming\\Flockling\\Spkbrtter23.exe" | C:\ProgramData\images\images.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4388 set thread context of 2008 | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | C:\Users\Admin\AppData\Local\Temp\r1522024.exe |
| PID 4476 set thread context of 4492 | N/A | C:\ProgramData\images\images.exe | C:\ProgramData\images\images.exe |
| PID 4492 set thread context of 2296 | N/A | C:\ProgramData\images\images.exe | C:\ProgramData\images\images.exe |
| PID 4492 set thread context of 2904 | N/A | C:\ProgramData\images\images.exe | C:\ProgramData\images\images.exe |
| PID 4492 set thread context of 4484 | N/A | C:\ProgramData\images\images.exe | C:\ProgramData\images\images.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\disharmonize\semidivided.ini | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| File opened for modification | C:\Program Files (x86)\disharmonize\semidivided.ini | C:\ProgramData\images\images.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Fonts\snlig.ini | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| File opened for modification | C:\Windows\Fonts\snlig.ini | C:\ProgramData\images\images.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\ProgramData\images\images.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\r1522024.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
| N/A | N/A | C:\ProgramData\images\images.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\images\images.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\r1522024.exe
"C:\Users\Admin\AppData\Local\Temp\r1522024.exe"
C:\Users\Admin\AppData\Local\Temp\r1522024.exe
"C:\Users\Admin\AppData\Local\Temp\r1522024.exe"
C:\ProgramData\images\images.exe
"C:\ProgramData\images\images.exe"
C:\ProgramData\images\images.exe
"C:\ProgramData\images\images.exe"
C:\ProgramData\images\images.exe
C:\ProgramData\images\images.exe /stext "C:\Users\Admin\AppData\Local\Temp\nedfu"
C:\ProgramData\images\images.exe
C:\ProgramData\images\images.exe /stext "C:\Users\Admin\AppData\Local\Temp\xzjxvunl"
C:\ProgramData\images\images.exe
C:\ProgramData\images\images.exe /stext "C:\Users\Admin\AppData\Local\Temp\ibwqonynlrx"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4492 -ip 4492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 1392
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| NL | 37.48.88.177:80 | 37.48.88.177 | tcp |
| US | 8.8.8.8:53 | 177.88.48.37.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| NL | 37.48.88.177:80 | 37.48.88.177 | tcp |
| LV | 46.183.223.29:2404 | tcp | |
| LV | 46.183.223.29:2404 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| LV | 46.183.223.29:2404 | tcp | |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 29.223.183.46.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.116.69.13.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsyA97F.tmp\System.dll
| MD5 | 564bb0373067e1785cba7e4c24aab4bf |
| SHA1 | 7c9416a01d821b10b2eef97b80899d24014d6fc1 |
| SHA256 | 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5 |
| SHA512 | 22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472 |
memory/4388-16-0x00000000774D1000-0x00000000775F1000-memory.dmp
memory/4388-17-0x00000000741C0000-0x00000000741C7000-memory.dmp
memory/2008-18-0x0000000077558000-0x0000000077559000-memory.dmp
memory/2008-19-0x00000000774D1000-0x00000000775F1000-memory.dmp
memory/2008-21-0x00000000004A0000-0x00000000016F4000-memory.dmp
memory/2008-26-0x00000000774D1000-0x00000000775F1000-memory.dmp
C:\ProgramData\images\images.exe
| MD5 | 35562de1445f84deee725deefe31b410 |
| SHA1 | 0e8168206e896875cccad315a2890820cae1cf33 |
| SHA256 | 7e08d267c3771ac900b9ecfe7b293aa7337a276a5929997180709b74114cdacb |
| SHA512 | a4b87335b32d87261eb93c9e5e1187adc752897659d6006e7ccad739ca20b2e80f111b4fd653580945e0664dc9fa3383dee7c8477093e2445b9a2a3f4ffc3fa1 |
memory/2008-36-0x00000000004A0000-0x00000000016F4000-memory.dmp
C:\Windows\Fonts\snlig.ini
| MD5 | 75285908e15263897f2fe77cc637ef6e |
| SHA1 | cc5a707cae259834b2453a305af9453b7b7412ac |
| SHA256 | 6fc175d4186cfb67d46e22b277602aa3ec665ad44c9854e7bdaf0e5a25cefbc5 |
| SHA512 | e93afaa0772d9aa9a8d77e44473a5c58cf9f3b214b76d5ed94e08dbc2ae9ef3d67b470073b83c157318bfa67fb44e17833af313efe8ded28e07d55272eb4edb2 |
C:\Users\Admin\AppData\Local\Petals\Ensand\smrhul\Brdskorpens\Remailed.Kur
| MD5 | 215f935278cc7c17f5a3c612a1941c0f |
| SHA1 | 7e38abe1ff045ac3c6b5c10cd645bff54a56ee6d |
| SHA256 | 1cc384506c84964e72af778b1421866935ebf4d744ab731ecd364af5965e7cf0 |
| SHA512 | e8af35b72dfd96f6c0d4dc4e2afdbd80174877f45a5d728bffc582459701f5ef8311a7b4cb1ec95f278f56be7a615d35c6a288f3733dcf41271af9a97719e77b |
memory/4476-51-0x0000000075000000-0x0000000075007000-memory.dmp
C:\Users\Admin\AppData\Roaming\Flockling\Spkbrtter23.exe
| MD5 | b57bd2b22ec1ca023b23c4254e317918 |
| SHA1 | 46bcaefb0eda740641f7047c1b27c552e567e37c |
| SHA256 | 029f17128cc1e4489a7b0eb12e757afb752200faba25d3e4a58270118de0e1ef |
| SHA512 | 4045c46cf25141118b45624d4a58cdb5349fe7f7c6659be01e1c27c9be08f1afe441f481778f4bdaf6451581a09e1af53ebe021b4d35a70d1229ec618d25d3ee |
memory/4492-55-0x00000000004A0000-0x00000000016F4000-memory.dmp
memory/2296-60-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2904-62-0x0000000000400000-0x0000000000457000-memory.dmp
memory/4484-67-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2296-66-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2904-69-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2904-74-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2296-72-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2904-77-0x0000000000400000-0x0000000000457000-memory.dmp
memory/4484-76-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4484-84-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4484-83-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2296-87-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\nedfu
| MD5 | b4329339750e86291d8a7191b0dc7955 |
| SHA1 | a125e8cf6fec1b6fd003139495a37d68f020254f |
| SHA256 | 85e5e57100dde581ff37dcd80cbe55643328aaa6518b265ceb788d21ba9d0695 |
| SHA512 | 9bd5d6ae3feca8eaa03a1c3c147fc98aebca41aea976b1deeb9ae158cd4acfbdd45244a727c071a604fed12dcadc568462777597758532c42d28ec480bfc6054 |
memory/4492-90-0x0000000037160000-0x0000000037179000-memory.dmp
memory/4492-93-0x0000000037160000-0x0000000037179000-memory.dmp
memory/4492-94-0x00000000004A0000-0x00000000016F4000-memory.dmp
memory/4492-95-0x0000000037160000-0x0000000037179000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-02-15 15:31
Reported
2024-02-15 15:33
Platform
win7-20231215-en
Max time kernel
120s
Max time network
125s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-02-15 15:31
Reported
2024-02-15 15:33
Platform
win10v2004-20231215-en
Max time kernel
93s
Max time network
129s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4848 wrote to memory of 2736 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4848 wrote to memory of 2736 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4848 wrote to memory of 2736 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2736 -ip 2736
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| 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 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |