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Analysis
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max time kernel
139s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 15:47
Static task
static1
Behavioral task
behavioral1
Sample
25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe
Resource
win10v2004-20240508-en
General
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Target
25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe
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Size
382KB
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MD5
6b68f67dce69cec28b7d86cf293edce9
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SHA1
02bb5634c25be1e28e5024a3d7bc9637dcb4ed2b
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SHA256
25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c
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SHA512
348551193c07b7d22557e0ef449e12aff309b2844b05153a2669b433760c662569794ea77ee29ec1fb92f72e27134c3d02d81aa7dc1757abde5f5dfb8bd3e8d4
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SSDEEP
6144:6vNgu2vVzeAvNremF2xnbfS13eB43pvuL7HpyEeJKXK:6vNL2vVSzmQxnbf4mCSHpy9JKXK
Malware Config
Extracted
stealc
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/3616-66-0x0000021091870000-0x00000210950A4000-memory.dmp family_zgrat_v1 behavioral2/memory/3616-68-0x00000210AF840000-0x00000210AF94A000-memory.dmp family_zgrat_v1 behavioral2/memory/3616-72-0x00000210AF620000-0x00000210AF644000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3216 u1sg.0.exe 1652 u1sg.1.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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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 2312 2320 WerFault.exe 78 2856 3216 WerFault.exe 81 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1sg.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1sg.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1sg.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 u1sg.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1sg.0.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3216 u1sg.0.exe 3216 u1sg.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3616 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe 1652 u1sg.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2320 wrote to memory of 3216 2320 25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe 81 PID 2320 wrote to memory of 3216 2320 25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe 81 PID 2320 wrote to memory of 3216 2320 25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe 81 PID 2320 wrote to memory of 1652 2320 25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe 84 PID 2320 wrote to memory of 1652 2320 25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe 84 PID 2320 wrote to memory of 1652 2320 25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe 84 PID 1652 wrote to memory of 3616 1652 u1sg.1.exe 89 PID 1652 wrote to memory of 3616 1652 u1sg.1.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe"C:\Users\Admin\AppData\Local\Temp\25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Users\Admin\AppData\Local\Temp\u1sg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1sg.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3216 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 8003⤵
- Program crash
PID:2856
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C:\Users\Admin\AppData\Local\Temp\u1sg.1.exe"C:\Users\Admin\AppData\Local\Temp\u1sg.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1652 -
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:3616
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 15162⤵
- Program crash
PID:2312
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2320 -ip 23201⤵PID:2424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3216 -ip 32161⤵PID:360
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5577fb6926140122272a7331d51d24637
SHA1611c89a920042951a39c422b73955b12f1636e76
SHA256273620ae4e9fa79d53fcefdbd051ce0e7d292017ee7d672215c863198294fbb5
SHA512d278da4b77fdc2d22aed48a682293372c37a32ff4dde0d29f97abe66ec5033f34e81e74edba3719ae162000ae7f5e7a43ef0d86a4286e40001e91402c73c190b
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Filesize
218KB
MD5967d1d2071a7f0afa075145319eea73d
SHA143208843e80266106e5c96867e7113e90a6f0b59
SHA256dce56b03d138ced62c5137c164d18240efe3e4a084c70547614b657e2049c6af
SHA512a7934590abdf271c8ce450ef02bd2fef6aecded10390312f7a340071920e8044886a28dfa8fc415c7da6971c79e85347c5669d73da4a179fc8a56838cd114669
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954