Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-04-2024 10:00
Static task
static1
Behavioral task
behavioral1
Sample
61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe
Resource
win10v2004-20240412-en
General
-
Target
61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe
-
Size
442KB
-
MD5
a081d3fff74d1fcc5b552a754267fe74
-
SHA1
e2346ecb61bdbd10b386fb3d7ff5766d0a73bdc7
-
SHA256
61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6
-
SHA512
d95745a03bccf18b2dc17a9563149b3afb0ed86eb7d5466b93a31ade42590a2a65888289d51a130fcdcee66abca65d546568c0daa759ccd9a41dd43ae5a3fba3
-
SSDEEP
12288:8/YF+b8a+KLGNAKq48yhBV2S7PJwwh8na5rP:8Qw+1NE48yRZxwNna5rP
Malware Config
Signatures
-
Detect ZGRat V1 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1540-193-0x00000169DD250000-0x00000169E0B48000-memory.dmp family_zgrat_v1 behavioral2/memory/1540-195-0x00000169FB2F0000-0x00000169FB400000-memory.dmp family_zgrat_v1 behavioral2/memory/1540-199-0x00000169FB0A0000-0x00000169FB0C4000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1456-131-0x0000000000A10000-0x0000000000AD6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
-
Executes dropped EXE 3 IoCs
Processes:
u3lc.0.exerun.exeu3lc.3.exepid Process 4624 u3lc.0.exe 4132 run.exe 4692 u3lc.3.exe -
Loads dropped DLL 1 IoCs
Processes:
run.exepid Process 4132 run.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
-
Suspicious use of SetThreadContext 2 IoCs
Processes:
run.execmd.exedescription pid Process procid_target PID 4132 set thread context of 4732 4132 run.exe 87 PID 4732 set thread context of 1456 4732 cmd.exe 90 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 4860 4624 WerFault.exe 80 4460 4656 WerFault.exe 77 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u3lc.3.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3lc.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3lc.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3lc.3.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
run.execmd.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid Process 4132 run.exe 4132 run.exe 4732 cmd.exe 4732 cmd.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
run.execmd.exepid Process 4132 run.exe 4732 cmd.exe 4732 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
MSBuild.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 1456 MSBuild.exe Token: SeDebugPrivilege 1540 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u3lc.3.exepid Process 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u3lc.3.exepid Process 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe 4692 u3lc.3.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
run.exepid Process 4132 run.exe 4132 run.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exerun.execmd.exeu3lc.3.exedescription pid Process procid_target PID 4656 wrote to memory of 4624 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 80 PID 4656 wrote to memory of 4624 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 80 PID 4656 wrote to memory of 4624 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 80 PID 4656 wrote to memory of 4132 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 86 PID 4656 wrote to memory of 4132 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 86 PID 4656 wrote to memory of 4132 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 86 PID 4132 wrote to memory of 4732 4132 run.exe 87 PID 4132 wrote to memory of 4732 4132 run.exe 87 PID 4132 wrote to memory of 4732 4132 run.exe 87 PID 4132 wrote to memory of 4732 4132 run.exe 87 PID 4732 wrote to memory of 1456 4732 cmd.exe 90 PID 4732 wrote to memory of 1456 4732 cmd.exe 90 PID 4732 wrote to memory of 1456 4732 cmd.exe 90 PID 4732 wrote to memory of 1456 4732 cmd.exe 90 PID 4732 wrote to memory of 1456 4732 cmd.exe 90 PID 4656 wrote to memory of 4692 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 91 PID 4656 wrote to memory of 4692 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 91 PID 4656 wrote to memory of 4692 4656 61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe 91 PID 4692 wrote to memory of 1540 4692 u3lc.3.exe 94 PID 4692 wrote to memory of 1540 4692 u3lc.3.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe"C:\Users\Admin\AppData\Local\Temp\61f3856648d543aafea5000b9081c4bf61bc746098a39095dc0f411cc7ffcab6.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Users\Admin\AppData\Local\Temp\u3lc.0.exe"C:\Users\Admin\AppData\Local\Temp\u3lc.0.exe"2⤵
- Executes dropped EXE
PID:4624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 12443⤵
- Program crash
PID:4860
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3lc.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3lc.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1456
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3lc.3.exe"C:\Users\Admin\AppData\Local\Temp\u3lc.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 15802⤵
- Program crash
PID:4460
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4624 -ip 46241⤵PID:1792
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4656 -ip 46561⤵PID:4712
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.4MB
MD54233a3a080e8e8d137febf7511e05b41
SHA157312ae6609845a940b8ef125d920b247bf571ef
SHA256ac50f39348c18f7ff47746063de06bc6a9675d34618e63385d6ddf63b6dd3d3e
SHA5120d48d0f20283f019334d3250fbdd0ae6eacd294a662852fde890801b929d48ad1e7f23ae47152df07567fe5e2de953532a32a50bd23c5f0772d03eefb0765244
-
Filesize
297KB
MD5dc755a443b61deee2ea99e5f2360c414
SHA1da5191cb200df63daa33a1c7632cd598ca09871a
SHA2566a0a065c983fe5d0a5e3dcbee89a51dc92baf859e4a1c8dbd606569b317a7a75
SHA512895b6c943e2ade9c7963db97395e3840b599328e4dcaf4d3e7cd453a65c7677cb4ba43e9289f50547afbe27d282fd2d6193f0aeeb39017c1b922569c75d2fe28
-
Filesize
3.7MB
MD578d3ca6355c93c72b494bb6a498bf639
SHA12fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA5121b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
-
Filesize
1.6MB
MD5d1ba9412e78bfc98074c5d724a1a87d6
SHA10572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA5128765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
-
Filesize
1.3MB
MD51e8237d3028ab52821d69099e0954f97
SHA130a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA2569387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
-
Filesize
1.5MB
MD510d51becd0bbce0fab147ff9658c565e
SHA14689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA2567b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA51229faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
-
Filesize
2.4MB
MD59fb4770ced09aae3b437c1c6eb6d7334
SHA1fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
-
Filesize
85KB
MD5a723bf46048e0bfb15b8d77d7a648c3e
SHA18952d3c34e9341e4425571e10f22b782695bb915
SHA256b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273
-
Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954