Analysis Overview
SHA256
a0b92392ade4ad7218239ac6a3e96ec6a626b71c187960cd077c92dc34d2330d
Threat Level: Known bad
The file 7zFM.exe was found to be: Known bad.
Malicious Activity Summary
Ramnit
Loads dropped DLL
Executes dropped EXE
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 03:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 03:08
Reported
2024-06-26 03:11
Platform
win7-20240611-en
Max time kernel
121s
Max time network
128s
Command Line
Signatures
Ramnit
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFM.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\7zFMmgr.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2536 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
| PID 2536 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
| PID 2536 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
| PID 2536 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7zFM.exe
"C:\Users\Admin\AppData\Local\Temp\7zFM.exe"
C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 96
Network
Files
memory/2536-0-0x0000000000400000-0x0000000000491000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
| MD5 | 303f491b9fc879064b210cb0b865d178 |
| SHA1 | 5cbdc35fb45bd3fb5ac62950ec22443a4179203c |
| SHA256 | 15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86 |
| SHA512 | 96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24 |
\Users\Admin\AppData\Local\Temp\~TM8095.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/3004-9-0x0000000077CEF000-0x0000000077CF1000-memory.dmp
memory/3004-10-0x0000000077CF0000-0x0000000077CF1000-memory.dmp
memory/3004-11-0x0000000077CF0000-0x0000000077CF2000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM8151.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/3004-15-0x00000000777F4000-0x00000000777F5000-memory.dmp
memory/3004-16-0x0000000077760000-0x0000000077870000-memory.dmp
memory/3004-17-0x0000000077760000-0x0000000077870000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 03:08
Reported
2024-06-26 03:10
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Ramnit
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3660 wrote to memory of 3596 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
| PID 3660 wrote to memory of 3596 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
| PID 3660 wrote to memory of 3596 | N/A | C:\Users\Admin\AppData\Local\Temp\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7zFM.exe
"C:\Users\Admin\AppData\Local\Temp\7zFM.exe"
C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3596 -ip 3596
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 324
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| NL | 52.111.243.30:443 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/3660-1-0x0000000000400000-0x0000000000491000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
| MD5 | 303f491b9fc879064b210cb0b865d178 |
| SHA1 | 5cbdc35fb45bd3fb5ac62950ec22443a4179203c |
| SHA256 | 15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86 |
| SHA512 | 96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24 |
C:\Users\Admin\AppData\Local\Temp\~TM46FC.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/3596-8-0x00000000774E2000-0x00000000774E4000-memory.dmp
memory/3596-9-0x00000000774E2000-0x00000000774E3000-memory.dmp