Analysis
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max time kernel
129s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-05-2024 07:20
Static task
static1
Behavioral task
behavioral1
Sample
b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe
Resource
win10v2004-20240426-en
General
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Target
b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe
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Size
416KB
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MD5
04e226982ac08637e4a2628b3f88bc2c
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SHA1
fd589c92d3ab600c5a69ea859387d59464f536d3
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SHA256
b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0
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SHA512
7d1703c60594060f9edb20ce7e11db2838132fc32c9a37631e0e8d905b2c345197bdbc181c77df12420af391b86722e3115bf1fc139577b6941edc62067cb513
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SSDEEP
12288:t3qzdg7K81Yszs4M1+KsjHhuYWa3KtwrSAPt68:MmZYR8jHhuYF168
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/4936-138-0x0000021FC7C40000-0x0000021FCB538000-memory.dmp family_zgrat_v1 behavioral2/memory/4936-139-0x0000021FE5CE0000-0x0000021FE5DF0000-memory.dmp family_zgrat_v1 behavioral2/memory/4936-143-0x0000021FE5B90000-0x0000021FE5BB4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3336 u2jc.0.exe 3284 u2jc.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3336 u2jc.0.exe 3336 u2jc.0.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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Program crash 1 IoCs
pid pid_target Process procid_target 2136 3288 WerFault.exe 79 -
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 u2jc.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2jc.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2jc.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 u2jc.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2jc.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 3336 u2jc.0.exe 3336 u2jc.0.exe 3336 u2jc.0.exe 3336 u2jc.0.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4936 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe 3284 u2jc.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3288 wrote to memory of 3336 3288 b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe 81 PID 3288 wrote to memory of 3336 3288 b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe 81 PID 3288 wrote to memory of 3336 3288 b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe 81 PID 3288 wrote to memory of 3284 3288 b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe 84 PID 3288 wrote to memory of 3284 3288 b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe 84 PID 3288 wrote to memory of 3284 3288 b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe 84 PID 3284 wrote to memory of 4936 3284 u2jc.1.exe 90 PID 3284 wrote to memory of 4936 3284 u2jc.1.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe"C:\Users\Admin\AppData\Local\Temp\b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3288 -
C:\Users\Admin\AppData\Local\Temp\u2jc.0.exe"C:\Users\Admin\AppData\Local\Temp\u2jc.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3336
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C:\Users\Admin\AppData\Local\Temp\u2jc.1.exe"C:\Users\Admin\AppData\Local\Temp\u2jc.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3284 -
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:4936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 15242⤵
- Program crash
PID:2136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3288 -ip 32881⤵PID:1864
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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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
2KB
MD51aba1fe734371373d3fd94b5c757bb5c
SHA1046e986196a583e3ddfda4828193330f2ca46549
SHA256cad068e6f37b2c21e42e08c9956bbe4e87181c212df4fa5fc74e6065d6d6a042
SHA512949bcac4b7c963ae9b54878651306cb7de69a02184d849106aaaa1108c36e5b2aecdf15fa0ce9cbb4aa7002c71b261929742862d549738697c52eb1950f75db1
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Filesize
275KB
MD5f3b64df1e1dcadb996afbd29f802b98f
SHA1cc732d26d161e0369cb31b6e1d69dbe966540e56
SHA256bb00ccce42346fcb6962e38f7e5cb22537210e838ee150731fb17babe2d114a1
SHA512d17eb25749d97647175f9704685bee347631fbf72bf718d997e98ac9fea0c5bd41772430982f7e28ef1f2dfcf0a716ca634559033435c4e12da72caad8d63c3b
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954