Analysis
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max time kernel
125s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
08/05/2024, 10:03
Static task
static1
Behavioral task
behavioral1
Sample
23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe
Resource
win10v2004-20240419-en
General
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Target
23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe
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Size
368KB
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MD5
2e7a0df97596447760f7c1c937992f89
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SHA1
e5ae3ae5cde58bc012d8e8be0ceaf6bdae48911b
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SHA256
23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf
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SHA512
303f7d76a2cb6fef7cd444dd20b6fa0d03407893b3f5fce752c14cec04fa66ddc0a3bad57aa83c1f4e2f33b333bcb8c071b0972319f582321e7f097a4bb540b7
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SSDEEP
6144:FelyjzIpb2xE5BNqj+DYvjZask87WlizIwYYozY/TZ4tjI:YlyjzIpbyE6yDYFask87Oi9Z4tjI
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/3180-64-0x00000181C5A80000-0x00000181C92B4000-memory.dmp family_zgrat_v1 behavioral2/memory/3180-65-0x00000181E39D0000-0x00000181E3ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/3180-69-0x00000181E38A0000-0x00000181E38C4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4240 u2qs.0.exe 1052 u2qs.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 428 3556 WerFault.exe 79 1172 4240 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2qs.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2qs.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2qs.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 u2qs.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2qs.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4240 u2qs.0.exe 4240 u2qs.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3180 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe 1052 u2qs.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3556 wrote to memory of 4240 3556 23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe 81 PID 3556 wrote to memory of 4240 3556 23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe 81 PID 3556 wrote to memory of 4240 3556 23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe 81 PID 3556 wrote to memory of 1052 3556 23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe 84 PID 3556 wrote to memory of 1052 3556 23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe 84 PID 3556 wrote to memory of 1052 3556 23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe 84 PID 1052 wrote to memory of 3180 1052 u2qs.1.exe 90 PID 1052 wrote to memory of 3180 1052 u2qs.1.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe"C:\Users\Admin\AppData\Local\Temp\23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3556 -
C:\Users\Admin\AppData\Local\Temp\u2qs.0.exe"C:\Users\Admin\AppData\Local\Temp\u2qs.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4240 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 11763⤵
- Program crash
PID:1172
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C:\Users\Admin\AppData\Local\Temp\u2qs.1.exe"C:\Users\Admin\AppData\Local\Temp\u2qs.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1052 -
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:3180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 9962⤵
- Program crash
PID:428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3556 -ip 35561⤵PID:2224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4240 -ip 42401⤵PID:4012
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD52a77171ba37642c64016dd581cdc2165
SHA18ab7d5db46d3662d9d415a2beaaa920a6419e23a
SHA256acf6a213608e11fe106c46679fb79f1d6b2a71f165c710694f9bb2a84450867a
SHA512c5c3302bc8060cdc9dfd1050678e14334a34ae3eeda1c9fa945e8040644003f188ebb1a3ea15812d8ee2b75b07d6396fdefd9f8b9ca3a0042467a52ae2276221
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Filesize
226KB
MD58cb22c6d983d9e4c3d48df67207e888f
SHA1a2ddf20c0854f12fa40802d9b9df5fb6ee287089
SHA256feb7155e62062e6f3f7ab92c1702b36315a1aebad706741d939bde25de43002d
SHA5125ae36d56e576ccdbefc2a7ab151eb72f5e6aaf0b6e0ae72eb58e9073e2a05cc485046865e1a9764acd2cc18ba69f844cb27b3deeba8a5baac02a8a13a7ba20ea
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954