Analysis
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max time kernel
132s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03/04/2024, 19:01
Static task
static1
Behavioral task
behavioral1
Sample
81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe
Resource
win7-20240221-en
General
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Target
81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe
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Size
410KB
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MD5
1c9f7a7f37ed9143b8cbefe285b96419
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SHA1
8b5d5d4c508106c9958fb33116e8b4eac9e4df8a
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SHA256
81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83
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SHA512
2f9372b254807e5798a2638dac2449f24eaae313cadc4db4ccf151ccba18a07b47d2320b7681d35dfe36d66ad548b270849823658b19620929055fe6eed85ce8
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SSDEEP
6144:6vZFT3XcbbLvNeULGRvdEvUkiHDdBonjSdwn6O9F2AiX:6vZFT3MvLH+GUB4jQwn6wF25X
Malware Config
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/1032-84-0x0000000000CF0000-0x00000000045E8000-memory.dmp family_zgrat_v1 behavioral1/memory/1032-112-0x000000001ED90000-0x000000001EEA0000-memory.dmp family_zgrat_v1 behavioral1/memory/1032-116-0x0000000000CD0000-0x0000000000CF4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 1840 u1k4.0.exe 3052 u1k4.1.exe 304 DAAAKFHIEG.exe -
Loads dropped DLL 11 IoCs
pid Process 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 1840 u1k4.0.exe 1840 u1k4.0.exe 908 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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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 u1k4.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1k4.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1k4.1.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 u1k4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1k4.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2312 PING.EXE -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1840 u1k4.0.exe 1032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1840 u1k4.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1032 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe 3052 u1k4.1.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1840 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 28 PID 2020 wrote to memory of 1840 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 28 PID 2020 wrote to memory of 1840 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 28 PID 2020 wrote to memory of 1840 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 28 PID 2020 wrote to memory of 3052 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 29 PID 2020 wrote to memory of 3052 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 29 PID 2020 wrote to memory of 3052 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 29 PID 2020 wrote to memory of 3052 2020 81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe 29 PID 3052 wrote to memory of 1032 3052 u1k4.1.exe 31 PID 3052 wrote to memory of 1032 3052 u1k4.1.exe 31 PID 3052 wrote to memory of 1032 3052 u1k4.1.exe 31 PID 3052 wrote to memory of 1032 3052 u1k4.1.exe 31 PID 1840 wrote to memory of 908 1840 u1k4.0.exe 33 PID 1840 wrote to memory of 908 1840 u1k4.0.exe 33 PID 1840 wrote to memory of 908 1840 u1k4.0.exe 33 PID 1840 wrote to memory of 908 1840 u1k4.0.exe 33 PID 908 wrote to memory of 304 908 cmd.exe 35 PID 908 wrote to memory of 304 908 cmd.exe 35 PID 908 wrote to memory of 304 908 cmd.exe 35 PID 908 wrote to memory of 304 908 cmd.exe 35 PID 304 wrote to memory of 2388 304 DAAAKFHIEG.exe 36 PID 304 wrote to memory of 2388 304 DAAAKFHIEG.exe 36 PID 304 wrote to memory of 2388 304 DAAAKFHIEG.exe 36 PID 304 wrote to memory of 2388 304 DAAAKFHIEG.exe 36 PID 2388 wrote to memory of 2312 2388 cmd.exe 38 PID 2388 wrote to memory of 2312 2388 cmd.exe 38 PID 2388 wrote to memory of 2312 2388 cmd.exe 38 PID 2388 wrote to memory of 2312 2388 cmd.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe"C:\Users\Admin\AppData\Local\Temp\81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Local\Temp\u1k4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1k4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe"C:\Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:304 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe5⤵
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:2312
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C:\Users\Admin\AppData\Local\Temp\u1k4.1.exe"C:\Users\Admin\AppData\Local\Temp\u1k4.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3052 -
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:1032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\2cd42bf5276a4e298c5dffa2dcd4c16b.tmp
Filesize1KB
MD50cf08ede45c7ba1aa2eb0f0e77056e29
SHA1105f984ab013a3debf27897ea232ef63c902e55b
SHA256956b46896d68be234bac658bbd486b8daf98d9fd8cae562bffee49827cd2b9a6
SHA5125a3dff55d097a102532c43bffba840e013424cd2e6edf55b82fce71cfc54007e9e61de13607c7d2e08f70d23169559def744fb7496483555b4c19230035c48f5
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Filesize
2KB
MD51f0cdf31a4131a2820f34e4ab00714cd
SHA178acdae46238af73266e2c6cc074edd0322a331d
SHA256ed143c0545a90f5992a654705ccd41b94f9b94d1dc5da5129ad9ee1ce5d1d047
SHA512ba587875e662a79fac1e5f696791ad09ec14a9bbc742e4b81554318aa52fdb2c09773d7c8260d72b77a1b42b897e4afe426105ec9270a9c430695bafef048135
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Filesize
3KB
MD52477b78749b989f8f21c08851f7d677c
SHA15a3f657e7809af482fdf1ea4c349d7657434c175
SHA2567dbea37735bcca12994367d330739d28deffbd2e233f42ad6982788828ea6c6a
SHA512f4952e2a073bd5be4aaf73703e0ad429ad7b44e763499d6dcc14e3daed4bbbb13d9f16214c49f12053014e9657e7d777aa5ae16622d520f3aa3bc4394f6421ba
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
289KB
MD52f7902850a9359afd396851d2c2dbc50
SHA1cf5086651e1c04652f3188b555824688912b1ef3
SHA256e477e93ca61273c874dfa631dd02bd08317b2b214472c7fcaedf5fccc1bf6cfa
SHA5124c533195e8ec42ccc765bc536f5cf4440cf53484e543a0f5d563017949ee5f2b74304c0bf53f568dfa84c3be019963cf2fcf43e12c144d2b19fce269a704bf7c
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954