Analysis
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max time kernel
149s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-04-2024 16:33
Static task
static1
Behavioral task
behavioral1
Sample
fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe
Resource
win10v2004-20240226-en
General
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Target
fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe
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Size
478KB
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MD5
abc237193d197f1bf9fa706feba2f769
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SHA1
bef4290076738e77cf091d0b590f62f856f0c529
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SHA256
fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506
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SHA512
2a6b256a49cbe038bce710aeba4574be756043b82728a8f91efc3d7efc29cb1e0263bb77d59657553f46a2769c551491d23e0273c5f62618eb539744c5ac7b95
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SSDEEP
6144:7BSBKD7+zBBet1F68/0kyy6sQU9HwdrQH315DG67gqlcS3EO+eVf+oX:NS+qN58Iy6sQUhssfiQ3dEOhVflX
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
Processes:
resource yara_rule behavioral2/memory/4468-161-0x000001BBCE810000-0x000001BBD2108000-memory.dmp family_zgrat_v1 behavioral2/memory/4468-163-0x000001BBEC8E0000-0x000001BBEC9F0000-memory.dmp family_zgrat_v1 behavioral2/memory/4468-167-0x000001BBEC750000-0x000001BBEC774000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
u24k.0.exeu24k.1.exeJKKEBGCGHI.exepid Process 1624 u24k.0.exe 4572 u24k.1.exe 892 JKKEBGCGHI.exe -
Loads dropped DLL 2 IoCs
Processes:
u24k.0.exepid Process 1624 u24k.0.exe 1624 u24k.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 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 2564 2756 WerFault.exe 79 2248 1624 WerFault.exe 81 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u24k.1.exedescription ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u24k.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u24k.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u24k.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u24k.0.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u24k.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u24k.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 25 IoCs
Processes:
u24k.0.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid Process 1624 u24k.0.exe 1624 u24k.0.exe 1624 u24k.0.exe 1624 u24k.0.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u24k.1.exepid Process 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u24k.1.exepid Process 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe 4572 u24k.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exeu24k.0.execmd.exeJKKEBGCGHI.exeu24k.1.execmd.exedescription pid Process procid_target PID 2756 wrote to memory of 1624 2756 fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe 81 PID 2756 wrote to memory of 1624 2756 fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe 81 PID 2756 wrote to memory of 1624 2756 fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe 81 PID 2756 wrote to memory of 4572 2756 fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe 84 PID 2756 wrote to memory of 4572 2756 fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe 84 PID 2756 wrote to memory of 4572 2756 fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe 84 PID 1624 wrote to memory of 1948 1624 u24k.0.exe 89 PID 1624 wrote to memory of 1948 1624 u24k.0.exe 89 PID 1624 wrote to memory of 1948 1624 u24k.0.exe 89 PID 1948 wrote to memory of 892 1948 cmd.exe 93 PID 1948 wrote to memory of 892 1948 cmd.exe 93 PID 1948 wrote to memory of 892 1948 cmd.exe 93 PID 892 wrote to memory of 4476 892 JKKEBGCGHI.exe 95 PID 892 wrote to memory of 4476 892 JKKEBGCGHI.exe 95 PID 892 wrote to memory of 4476 892 JKKEBGCGHI.exe 95 PID 4572 wrote to memory of 4468 4572 u24k.1.exe 94 PID 4572 wrote to memory of 4468 4572 u24k.1.exe 94 PID 4476 wrote to memory of 1980 4476 cmd.exe 97 PID 4476 wrote to memory of 1980 4476 cmd.exe 97 PID 4476 wrote to memory of 1980 4476 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe"C:\Users\Admin\AppData\Local\Temp\fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Users\Admin\AppData\Local\Temp\u24k.0.exe"C:\Users\Admin\AppData\Local\Temp\u24k.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JKKEBGCGHI.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Temp\JKKEBGCGHI.exe"C:\Users\Admin\AppData\Local\Temp\JKKEBGCGHI.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:892 -
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\JKKEBGCGHI.exe5⤵
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:1980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 24443⤵
- Program crash
PID:2248
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C:\Users\Admin\AppData\Local\Temp\u24k.1.exe"C:\Users\Admin\AppData\Local\Temp\u24k.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4572 -
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:4468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 11642⤵
- Program crash
PID:2564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2756 -ip 27561⤵PID:2240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1624 -ip 16241⤵PID:2644
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
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
3KB
MD51afd2abc18a612dc3da4939e89300cf1
SHA1868669532d57e2fbdbba9166bd7e5de64bb5270a
SHA256ad4550a80e40c68c8616af05b2b119f520a02a0b7f780f9bfcf358214137c959
SHA512f45d4105407b754c0553a1d09471f496cd365f9189af5665cbd41560b82cdf626e8a7982df37c5e89f855137a30dcb4185b27a9607c76e44c7b36e482010661b
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Filesize
306KB
MD5f5159a00a090d5e99b53d41c6ac41dd3
SHA1295db898d608960df27d5027a721fd44cbd00580
SHA256cce1accced0a4d91966c96752c101eefe1dba629c8b5ec58eefc5408c881f110
SHA51229aac3010b80287809784305493683461402c9484812a74e166418b75af6b9f59d49818bd46cd8c6c1e61204d951a0d3cf7db038bbd4d9c990da836bd7942cf4
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954