Analysis Overview
SHA256
b393d21a034f5cac91bcb63d6132d72f6edea162b7c919297c9d39e5b1ce42d8
Threat Level: Known bad
The file 7zFMmgr.exe was found to be: Known bad.
Malicious Activity Summary
Ramnit
Ramnit family
Executes dropped EXE
Loads dropped DLL
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-26 03:42
Signatures
Ramnit family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 03:42
Reported
2024-06-26 03:44
Platform
win7-20240221-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
Ramnit
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
"C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe"
C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe
C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 96
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 96
Network
Files
C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe
| MD5 | 303f491b9fc879064b210cb0b865d178 |
| SHA1 | 5cbdc35fb45bd3fb5ac62950ec22443a4179203c |
| SHA256 | 15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86 |
| SHA512 | 96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24 |
memory/2180-1-0x0000000000400000-0x000000000044C000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM2D57.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2180-13-0x0000000077A30000-0x0000000077A32000-memory.dmp
memory/2180-11-0x0000000077A30000-0x0000000077A31000-memory.dmp
memory/2180-10-0x0000000077A2F000-0x0000000077A31000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM2D97.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/2180-19-0x0000000075944000-0x0000000075945000-memory.dmp
memory/2180-20-0x00000000758B0000-0x00000000759C0000-memory.dmp
memory/2128-23-0x00000000758B0000-0x00000000759C0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 03:42
Reported
2024-06-26 03:42
Platform
win10v2004-20240508-en
Max time kernel
24s
Max time network
25s
Command Line
Signatures
Ramnit
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4864 wrote to memory of 4112 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe |
| PID 4864 wrote to memory of 4112 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe |
| PID 4864 wrote to memory of 4112 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
"C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe"
C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe
C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4112 -ip 4112
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4864 -ip 4864
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 324
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 | udp |
Files
memory/4864-0-0x0000000000400000-0x000000000044C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe
| MD5 | 303f491b9fc879064b210cb0b865d178 |
| SHA1 | 5cbdc35fb45bd3fb5ac62950ec22443a4179203c |
| SHA256 | 15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86 |
| SHA512 | 96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24 |
C:\Users\Admin\AppData\Local\Temp\~TM3FF7.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/4864-14-0x0000000077162000-0x0000000077163000-memory.dmp
memory/4864-13-0x0000000077162000-0x0000000077164000-memory.dmp
memory/4112-12-0x0000000077162000-0x0000000077163000-memory.dmp
memory/4112-11-0x0000000077162000-0x0000000077164000-memory.dmp
memory/4864-15-0x0000000077162000-0x0000000077164000-memory.dmp
memory/4864-16-0x0000000000400000-0x000000000044C000-memory.dmp