Analysis
-
max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06-04-2024 08:15
Static task
static1
Behavioral task
behavioral1
Sample
b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe
Resource
win10v2004-20240226-en
General
-
Target
b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe
-
Size
347KB
-
MD5
935b3a19c6be5d0347fba2f24d770cc6
-
SHA1
2dd2bcdc8c4a0f1ecbac1fe7190a8ee9b72e3bb0
-
SHA256
b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba
-
SHA512
ff8a512bbc0becdb2147f64f1093911556bf093840b0b95d2ce4461ebc266c738b52fed2b6800b3d60a188bb662ebc9fcdd2caeac18c361b2934ca7e2fae54fa
-
SSDEEP
6144:cCnUqAIgawzMsiaKYHRJPX4wE89oZ9wea/GIY3jnn/a1CVUDU1f:zUqAIgrzMsi2XSUozwdI3j/iCcSf
Malware Config
Extracted
stealc
http://185.172.128.209
-
url_path
/3cd2b41cbde8fc9c.php
Signatures
-
Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/2952-151-0x000001D44CA80000-0x000001D450378000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-158-0x000001D46BA80000-0x000001D46BB90000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-165-0x000001D46A820000-0x000001D46A844000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation u3bk.1.exe Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation u3bk.0.exe Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation JDAFBKECAK.exe Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe -
Executes dropped EXE 3 IoCs
pid Process 3568 u3bk.0.exe 4948 u3bk.1.exe 680 JDAFBKECAK.exe -
Loads dropped DLL 2 IoCs
pid Process 3568 u3bk.0.exe 3568 u3bk.0.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 2 IoCs
pid pid_target Process procid_target 4560 4304 WerFault.exe 84 2492 3568 WerFault.exe 92 -
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 u3bk.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3bk.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3bk.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3bk.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3bk.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4164 PING.EXE -
Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 3568 u3bk.0.exe 3568 u3bk.0.exe 3568 u3bk.0.exe 3568 u3bk.0.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2952 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe 4948 u3bk.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4304 wrote to memory of 3568 4304 b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe 92 PID 4304 wrote to memory of 3568 4304 b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe 92 PID 4304 wrote to memory of 3568 4304 b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe 92 PID 4304 wrote to memory of 4948 4304 b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe 98 PID 4304 wrote to memory of 4948 4304 b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe 98 PID 4304 wrote to memory of 4948 4304 b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe 98 PID 4948 wrote to memory of 2952 4948 u3bk.1.exe 104 PID 4948 wrote to memory of 2952 4948 u3bk.1.exe 104 PID 3568 wrote to memory of 376 3568 u3bk.0.exe 105 PID 3568 wrote to memory of 376 3568 u3bk.0.exe 105 PID 3568 wrote to memory of 376 3568 u3bk.0.exe 105 PID 376 wrote to memory of 680 376 cmd.exe 108 PID 376 wrote to memory of 680 376 cmd.exe 108 PID 376 wrote to memory of 680 376 cmd.exe 108 PID 680 wrote to memory of 4388 680 JDAFBKECAK.exe 110 PID 680 wrote to memory of 4388 680 JDAFBKECAK.exe 110 PID 680 wrote to memory of 4388 680 JDAFBKECAK.exe 110 PID 4388 wrote to memory of 4164 4388 cmd.exe 112 PID 4388 wrote to memory of 4164 4388 cmd.exe 112 PID 4388 wrote to memory of 4164 4388 cmd.exe 112
Processes
-
C:\Users\Admin\AppData\Local\Temp\b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe"C:\Users\Admin\AppData\Local\Temp\b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Users\Admin\AppData\Local\Temp\u3bk.0.exe"C:\Users\Admin\AppData\Local\Temp\u3bk.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3568 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JDAFBKECAK.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Users\Admin\AppData\Local\Temp\JDAFBKECAK.exe"C:\Users\Admin\AppData\Local\Temp\JDAFBKECAK.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:680 -
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\JDAFBKECAK.exe5⤵
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:4164
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 24563⤵
- Program crash
PID:2492
-
-
-
C:\Users\Admin\AppData\Local\Temp\u3bk.1.exe"C:\Users\Admin\AppData\Local\Temp\u3bk.1.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:4948 -
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:2952
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 11362⤵
- Program crash
PID:4560
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4304 -ip 43041⤵PID:2508
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3568 -ip 35681⤵PID:2444
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
Filesize
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
-
Filesize
3KB
MD58dece56dda7aa02bc3a3fbee3578fc1f
SHA11a317cde4f9a0072b208d6abb1669bbc25f70c72
SHA2568e0f5e7095a0273cd7d5abd55e2b13b835cfdca022ca640cf9ec628611730152
SHA51297ea030f1cd490ebc832a15780a09b3396c99a5b4a998b92d2caa2f7295eef87b6a4559def9cf8fc2ffc8c27c8b8c5d487b75af68e6bad688633587fa3666c20
-
Filesize
246KB
MD5ef9cbd3ef14d7eefac3b40d46e06a283
SHA17dd489971e51a178d0e7072341a0e262727c7c4d
SHA2560d70c29825afdca6964b79013ec7e3dd1c1fb324205f293891bf88235c323d62
SHA512352b91c2f5caf0f1dfe42c33fad397b6fc4abc379af164ab0eb3582c7cf004b1324e73db438b4c9410a0a5210a9034b0e66434070c2f66b413153d991b6b4d5e
-
Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954