Analysis Overview
SHA256
8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f
Threat Level: Shows suspicious behavior
The file 8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 23:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 23:20
Reported
2024-04-07 23:23
Platform
win7-20240220-en
Max time kernel
148s
Max time network
118s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\grkwn.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\grkwn.exe" | C:\ProgramData\grkwn.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1724 wrote to memory of 2332 | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | C:\ProgramData\grkwn.exe |
| PID 1724 wrote to memory of 2332 | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | C:\ProgramData\grkwn.exe |
| PID 1724 wrote to memory of 2332 | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | C:\ProgramData\grkwn.exe |
| PID 1724 wrote to memory of 2332 | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | C:\ProgramData\grkwn.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe
"C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe"
C:\ProgramData\grkwn.exe
"C:\ProgramData\grkwn.exe"
Network
Files
memory/1724-0-0x0000000000400000-0x0000000000474000-memory.dmp
memory/1724-1-0x0000000000400000-0x0000000000474000-memory.dmp
\ProgramData\grkwn.exe
| MD5 | 7b0b4fb8941a0def1cbbf90a8d70d9f1 |
| SHA1 | 32090658aee82fe8bbe9090b0f3e4a33927c8e58 |
| SHA256 | 238072443c375a5cca413ec01b4ea85a5b55ae34b06cb3737ee8c57115e6d85c |
| SHA512 | cab98835fadd6fa8d1fc0054247fdf0b8da0a443f9667ad4c9fb6b8298ed59647169936a69b5047c486ac61869a6b0c9bfee9ec4cb52865e3761f2f305c41a4a |
C:\ProgramData\Saaaalamm\Mira.h
| MD5 | cb4c442a26bb46671c638c794bf535af |
| SHA1 | 8a742d0b372f2ddd2d1fdf688c3c4ac7f9272abf |
| SHA256 | f8d2c17bdf34ccfb58070ac8b131a8d95055340101a329f9a7212ac5240d0c25 |
| SHA512 | 074a31e8da403c0a718f93cbca50574d8b658921193db0e6e20eacd232379286f14a3698cd443dc740d324ad19d74934ae001a7ad64b88897d8afefbc9a3d4e3 |
C:\Documents and Settings .exe
| MD5 | b132c82b4fdb4546392991fe773389e7 |
| SHA1 | 20a5b17db9c418fa3eeceb0eb9851874e27638ab |
| SHA256 | 2498f4d7bf895677073ec1e19edc3ffdb53f19ff35f09d4eb2135014c0266fe3 |
| SHA512 | bcfb5338b905581e9f5974e6bf59c2d5bb2e14fd4a715d79c00da8bdd43b7fd6c66b64b82bae1a9ac3e29faa01099593576893341a3217702e59c4bded6c1aa2 |
memory/1724-14-0x0000000000400000-0x0000000000474000-memory.dmp
memory/2332-133-0x0000000000400000-0x0000000000448000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 23:20
Reported
2024-04-07 23:23
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\fhfmp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\fhfmp.exe" | C:\ProgramData\fhfmp.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3060 wrote to memory of 4204 | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | C:\ProgramData\fhfmp.exe |
| PID 3060 wrote to memory of 4204 | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | C:\ProgramData\fhfmp.exe |
| PID 3060 wrote to memory of 4204 | N/A | C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe | C:\ProgramData\fhfmp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe
"C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe"
C:\ProgramData\fhfmp.exe
"C:\ProgramData\fhfmp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.173.189.20.in-addr.arpa | udp |
Files
memory/3060-0-0x0000000000400000-0x0000000000474000-memory.dmp
memory/3060-1-0x0000000000400000-0x0000000000474000-memory.dmp
C:\ProgramData\fhfmp.exe
| MD5 | 7b0b4fb8941a0def1cbbf90a8d70d9f1 |
| SHA1 | 32090658aee82fe8bbe9090b0f3e4a33927c8e58 |
| SHA256 | 238072443c375a5cca413ec01b4ea85a5b55ae34b06cb3737ee8c57115e6d85c |
| SHA512 | cab98835fadd6fa8d1fc0054247fdf0b8da0a443f9667ad4c9fb6b8298ed59647169936a69b5047c486ac61869a6b0c9bfee9ec4cb52865e3761f2f305c41a4a |
C:\ProgramData\Saaaalamm\Mira.h
| MD5 | cb4c442a26bb46671c638c794bf535af |
| SHA1 | 8a742d0b372f2ddd2d1fdf688c3c4ac7f9272abf |
| SHA256 | f8d2c17bdf34ccfb58070ac8b131a8d95055340101a329f9a7212ac5240d0c25 |
| SHA512 | 074a31e8da403c0a718f93cbca50574d8b658921193db0e6e20eacd232379286f14a3698cd443dc740d324ad19d74934ae001a7ad64b88897d8afefbc9a3d4e3 |
memory/3060-9-0x0000000000400000-0x0000000000474000-memory.dmp
C:\DumpStack.log.tmp .exe
| MD5 | cee7b9d5ba8de9ad2f9d39ff4b637f78 |
| SHA1 | 993bec5e199441b38b29f96abe372ab5dffcc021 |
| SHA256 | f5134a54649a59dbabfef61b9ccb7eeffd6947d880b3a9d1317c99e913293905 |
| SHA512 | be8867f81bce6b817e1741b3a608b26a17b7699716de7e4fe85b0a9f28af9849167eaebf2e726a95ee0e7005fc4b3eef56c3b1ceba6a5b82db9887ac717f9f9c |
memory/4204-130-0x0000000000400000-0x0000000000448000-memory.dmp