Analysis Overview
SHA256
f089d5f2f8107188da34c6e58f406f84dda6bec684a26f66b56f7fb1350c5b43
Threat Level: Known bad
The file 5c121105334208968a697161ba6eff73 was found to be: Known bad.
Malicious Activity Summary
Detect Lumma Stealer payload V4
Lumma Stealer
Modifies security service
Executes dropped EXE
Loads dropped DLL
Drops file in System32 directory
Unsigned PE
Runs .reg file with regedit
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-15 03:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-15 03:56
Reported
2024-01-15 03:56
Platform
win7-20231215-en
Max time kernel
16s
Max time network
19s
Command Line
Signatures
Detect Lumma Stealer payload V4
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Lumma Stealer
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" | C:\Windows\SysWOW64\regedit.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Windows\SysWOW64\regedit.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" | C:\Windows\SysWOW64\regedit.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Windows\SysWOW64\regedit.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\scrov.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\scrov.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\scrov.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\scrov.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\scrov.exe | C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\scrov.exe | C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\scrov.exe | C:\Windows\SysWOW64\scrov.exe | N/A |
| File created | C:\Windows\SysWOW64\scrov.exe | C:\Windows\SysWOW64\scrov.exe | N/A |
Runs .reg file with regedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regedit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\regedit.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe
"C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c c:\a.bat
C:\Windows\SysWOW64\regedit.exe
REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
C:\Windows\SysWOW64\scrov.exe
C:\Windows\system32\scrov.exe 504 "C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c c:\a.bat
C:\Windows\SysWOW64\regedit.exe
REGEDIT /S C:\Users\Admin\AppData\Local\Temp\1.reg
C:\Windows\SysWOW64\scrov.exe
C:\Windows\system32\scrov.exe 544 "C:\Windows\SysWOW64\scrov.exe"
Network
Files
memory/2008-0-0x0000000000400000-0x000000000056E000-memory.dmp
memory/2008-1-0x0000000000370000-0x00000000003C0000-memory.dmp
memory/2008-2-0x0000000000290000-0x0000000000291000-memory.dmp
memory/2008-4-0x0000000000340000-0x0000000000341000-memory.dmp
memory/2008-5-0x0000000000350000-0x0000000000351000-memory.dmp
memory/2008-3-0x0000000000280000-0x0000000000281000-memory.dmp
memory/2008-6-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/2008-7-0x0000000000360000-0x0000000000361000-memory.dmp
memory/2008-9-0x0000000000330000-0x0000000000331000-memory.dmp
memory/2008-8-0x0000000002B30000-0x0000000002B31000-memory.dmp
memory/2008-11-0x0000000002B20000-0x0000000002B24000-memory.dmp
memory/2008-28-0x0000000002380000-0x0000000002381000-memory.dmp
memory/2008-30-0x00000000023A0000-0x00000000023A1000-memory.dmp
memory/2008-29-0x0000000002390000-0x0000000002391000-memory.dmp
memory/2008-27-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/2008-26-0x0000000000900000-0x0000000000901000-memory.dmp
memory/2008-25-0x00000000005D0000-0x00000000005D1000-memory.dmp
memory/2008-24-0x0000000000610000-0x0000000000611000-memory.dmp
memory/2008-23-0x0000000000640000-0x0000000000641000-memory.dmp
memory/2008-22-0x0000000000600000-0x0000000000601000-memory.dmp
memory/2008-31-0x0000000002370000-0x0000000002371000-memory.dmp
memory/2008-21-0x00000000005F0000-0x00000000005F1000-memory.dmp
memory/2008-20-0x0000000000570000-0x0000000000571000-memory.dmp
C:\a.bat
| MD5 | 0019a0451cc6b9659762c3e274bc04fb |
| SHA1 | 5259e256cc0908f2846e532161b989f1295f479b |
| SHA256 | ce4674afd978d1401596d22a0961f90c8fb53c5bd55649684e1a999c8cf77876 |
| SHA512 | 314c23ec37cb0cd4443213c019c4541df968447353b422ef6fff1e7ddf6c983c80778787408b7ca9b81e580a6a7f1589ca7f43c022e6fc16182973580ed4d904 |
memory/2008-12-0x0000000000630000-0x0000000000631000-memory.dmp
memory/2008-13-0x0000000000580000-0x0000000000581000-memory.dmp
memory/2008-32-0x0000000002B10000-0x0000000002B15000-memory.dmp
memory/2008-36-0x0000000000650000-0x0000000000651000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\1.reg
| MD5 | 9e5db93bd3302c217b15561d8f1e299d |
| SHA1 | 95a5579b336d16213909beda75589fd0a2091f30 |
| SHA256 | f360fb5740172b6b4dd59c1ac30b480511665ae991196f833167e275d91f943e |
| SHA512 | b5547e5047a3c43397ee846ff9d5979cba45ba44671db5c5df5536d9dc26262e27a8645a08e0cf35960a3601dc0f6f5fe8d47ae232c9ca44d6899e97d36fb25a |
memory/2008-140-0x0000000002540000-0x0000000002541000-memory.dmp
memory/2008-48-0x00000000003D0000-0x00000000003D1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\1.reg
| MD5 | d085cde42c14e8ee2a5e8870d08aee42 |
| SHA1 | c8e967f1d301f97dbcf252d7e1677e590126f994 |
| SHA256 | a15d5dfd655de1214e0aae2292ead17eef1f1b211d39fac03276bbd6325b0d9f |
| SHA512 | de2cebd45d3cf053df17ae43466db6a8b2d816bf4b9a8deb5b577cfedf765b5dcdc5904145809ad3ca03ccff308f8893ec1faa309dd34afcab7cc1836d698d7b |
memory/2008-35-0x0000000002B80000-0x0000000002B81000-memory.dmp
memory/2008-34-0x0000000002B70000-0x0000000002B71000-memory.dmp
memory/2008-33-0x00000000003F0000-0x00000000003F1000-memory.dmp
C:\Windows\SysWOW64\scrov.exe
| MD5 | 5c121105334208968a697161ba6eff73 |
| SHA1 | 52f1ade2720edfc01d85220a1b20f8bb7d2115b0 |
| SHA256 | f089d5f2f8107188da34c6e58f406f84dda6bec684a26f66b56f7fb1350c5b43 |
| SHA512 | 85990d6651dc501f82a49f37c1f8967099d042e28ddda248acd40dbf2b405b9e071e01e301bff78011b459f0f2dce75b4791fe64d2fe9b9fc5b2d9deeed9a04e |
memory/2008-158-0x0000000000400000-0x000000000056E000-memory.dmp
memory/2120-159-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/2120-160-0x00000000003F0000-0x00000000003F1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\1.reg
| MD5 | bef09dc596b7b91eec4f38765e0965b7 |
| SHA1 | b8bb8d2eb918e0979b08fd1967dac127874b9de5 |
| SHA256 | 8dab724d5941eb7becff35ce1a76e8525dcdca024900e70758300dcdddf8e265 |
| SHA512 | 0bbce4150b47bafb674f2074fdfc20df86edadb85037f93c541d1d53f721ed52e37a49d14522dac56e9d2e9ce801bcdb701509fa02285778a086d547f1be966a |
C:\Users\Admin\AppData\Local\Temp\1.reg
| MD5 | 6bf876cd9994f0d41be4eca36d22c42a |
| SHA1 | 50cda4b940e6ba730ce59000cfc59e6c4d7fdc79 |
| SHA256 | ff39ffe6e43e9b293c5be6aa85345e868a27215293e750c00e1e0ba676deeb2a |
| SHA512 | 605e2920cd230b6c617a2d4153f23144954cd4bae0f66b857e1b334cd66258fbc5ba049c1ab6ab83c30fd54c87235a115ec7bbfd17d6792a4bbbae4c6700e106 |
memory/2120-276-0x0000000000400000-0x000000000056E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-15 03:56
Reported
2024-01-15 03:58
Platform
win10v2004-20231215-en
Max time kernel
1s
Max time network
6s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe
"C:\Users\Admin\AppData\Local\Temp\5c121105334208968a697161ba6eff73.exe"
Network
Files
memory/448-0-0x0000000000400000-0x000000000056E000-memory.dmp
memory/448-1-0x0000000000A10000-0x0000000000A60000-memory.dmp
memory/448-2-0x00000000023B0000-0x00000000023B1000-memory.dmp
memory/448-3-0x0000000002340000-0x0000000002341000-memory.dmp
memory/448-4-0x0000000000710000-0x0000000000711000-memory.dmp
memory/448-5-0x0000000002370000-0x0000000002371000-memory.dmp
memory/448-6-0x0000000002380000-0x0000000002381000-memory.dmp