Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 12:32
Static task
static1
Behavioral task
behavioral1
Sample
5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe
Resource
win10v2004-20240412-en
General
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Target
5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe
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Size
419KB
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MD5
21447adc4982eb273300367dece5bfec
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SHA1
c017eba72e66ba7a52dace54af6ff6796cad86bb
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SHA256
5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c
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SHA512
bebbb510e7ff94957f7865e7ce250917786bc2ab8bb6ae2c84e5d5ad972dade5761d8d3942e524a3ec4ccf70d9fe4d90f8c91d0e05edd62995cebee4e3468650
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SSDEEP
6144:JWigHbPbnW5OdaZLB+zKwTTfRLpEGzYSIpB5Apy3E6f:JZ2zzsZN+JTTlptIp7AIU6f
Malware Config
Extracted
stealc
http://185.172.128.76
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/3524-216-0x000001DE147A0000-0x000001DE18098000-memory.dmp family_zgrat_v1 behavioral1/memory/3524-218-0x000001DE32840000-0x000001DE32950000-memory.dmp family_zgrat_v1 behavioral1/memory/3524-222-0x000001DE329A0000-0x000001DE329C4000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
resource yara_rule behavioral1/memory/824-130-0x0000000000C00000-0x0000000000CC6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe Key value queried \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation u2bk.3.exe -
Executes dropped EXE 3 IoCs
pid Process 3556 u2bk.0.exe 3120 run.exe 2296 u2bk.3.exe -
Loads dropped DLL 1 IoCs
pid Process 3120 run.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3120 set thread context of 4056 3120 run.exe 104 PID 4056 set thread context of 824 4056 cmd.exe 109 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 2088 3556 WerFault.exe 93 3172 3008 WerFault.exe 86 -
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 u2bk.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2bk.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2bk.3.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 3120 run.exe 3120 run.exe 3120 run.exe 4056 cmd.exe 4056 cmd.exe 4056 cmd.exe 4056 cmd.exe 824 MSBuild.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 3120 run.exe 4056 cmd.exe 4056 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 824 MSBuild.exe Token: SeDebugPrivilege 3524 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe 2296 u2bk.3.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3120 run.exe 3120 run.exe 824 MSBuild.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3008 wrote to memory of 3556 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 93 PID 3008 wrote to memory of 3556 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 93 PID 3008 wrote to memory of 3556 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 93 PID 3008 wrote to memory of 3120 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 103 PID 3008 wrote to memory of 3120 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 103 PID 3008 wrote to memory of 3120 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 103 PID 3120 wrote to memory of 4056 3120 run.exe 104 PID 3120 wrote to memory of 4056 3120 run.exe 104 PID 3120 wrote to memory of 4056 3120 run.exe 104 PID 3120 wrote to memory of 4056 3120 run.exe 104 PID 4056 wrote to memory of 824 4056 cmd.exe 109 PID 4056 wrote to memory of 824 4056 cmd.exe 109 PID 4056 wrote to memory of 824 4056 cmd.exe 109 PID 4056 wrote to memory of 824 4056 cmd.exe 109 PID 4056 wrote to memory of 824 4056 cmd.exe 109 PID 3008 wrote to memory of 2296 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 115 PID 3008 wrote to memory of 2296 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 115 PID 3008 wrote to memory of 2296 3008 5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe 115 PID 2296 wrote to memory of 3524 2296 u2bk.3.exe 121 PID 2296 wrote to memory of 3524 2296 u2bk.3.exe 121
Processes
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C:\Users\Admin\AppData\Local\Temp\5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe"C:\Users\Admin\AppData\Local\Temp\5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\u2bk.0.exe"C:\Users\Admin\AppData\Local\Temp\u2bk.0.exe"2⤵
- Executes dropped EXE
PID:3556 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 12843⤵
- Program crash
PID:2088
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C:\Users\Admin\AppData\Local\Temp\u2bk.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u2bk.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:3120 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4056 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:824
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C:\Users\Admin\AppData\Local\Temp\u2bk.3.exe"C:\Users\Admin\AppData\Local\Temp\u2bk.3.exe"2⤵
- 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:2296 -
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:3524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 16962⤵
- Program crash
PID:3172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3556 -ip 35561⤵PID:4200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3008 -ip 30081⤵PID:4684
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5f518f22b40a9e121d53699cea824a286
SHA1539b82ef2e0dafd393b6a984ad1246759851e572
SHA256ba67f23f3105ae657a063d1122b244da2ad3c9e348eff0af8e969fdf71439c96
SHA512c828292be4a14943973cb8e18d7d99cfbedcf12b26cfce450c307fd8e4be85ad31ee3d9e4c28da7a9db152ae83c492b765454e860cd7d1267ec77eba7ed64de3
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Filesize
3KB
MD520667732a9ab6d9b33ece33796be0326
SHA155a2af7d0ff9afa1f27f8acfaae06fcc870749b6
SHA256537f03cbab87d5721ffcf8ede2b5d5f882871d013c99314dc296557dd25fb290
SHA5128fcb134717d2df8de6d68401c316ce322746795e988e17ae7a8ce1dabcbd3ae14d6960f6d81cab759fe77887b6cff750ab1ce8ae2b02eb39c69041c633e39900
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Filesize
20KB
MD542c395b8db48b6ce3d34c301d1eba9d5
SHA1b7cfa3de344814bec105391663c0df4a74310996
SHA2565644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
SHA5127b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845
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Filesize
20KB
MD549693267e0adbcd119f9f5e02adf3a80
SHA13ba3d7f89b8ad195ca82c92737e960e1f2b349df
SHA256d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
SHA512b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2
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Filesize
275KB
MD5678d5e7b91062c3b4c1ea39343cda69a
SHA1d73be2edfa050ee9ac434b310af55210b64375cf
SHA2563d4faa1e7f7466857b35c91bda2637ea24783903e14a94ee43508118b56ed17c
SHA512c10a51fa3e8788c8a726af11573014307bf5e47db65ca769db51af9ef751aaf02cc38fec7bc6a8752d3736a4fc68795289df26bd1dd3c945951bec1d7945df8d
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Filesize
3.7MB
MD578d3ca6355c93c72b494bb6a498bf639
SHA12fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA5121b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
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Filesize
1.6MB
MD5d1ba9412e78bfc98074c5d724a1a87d6
SHA10572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA5128765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
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Filesize
1.3MB
MD51e8237d3028ab52821d69099e0954f97
SHA130a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA2569387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
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Filesize
1.5MB
MD510d51becd0bbce0fab147ff9658c565e
SHA14689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA2567b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA51229faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
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Filesize
2.4MB
MD59fb4770ced09aae3b437c1c6eb6d7334
SHA1fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
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Filesize
85KB
MD5a723bf46048e0bfb15b8d77d7a648c3e
SHA18952d3c34e9341e4425571e10f22b782695bb915
SHA256b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954