Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2024, 12:32
Static task
static1
Behavioral task
behavioral1
Sample
6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe
Resource
win10v2004-20240226-en
General
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Target
6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe
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Size
430KB
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MD5
270b10327bb51775c607131da8ecd051
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SHA1
bf5db0334ca780716fd45e3e61952c621e721485
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SHA256
6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6
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SHA512
be7ebf226eb0a06a19bdada5693917bcff04ca1b7b62a2429e2aa21a1e273c87042ad2ee26571967d7251c9b542469c26946d9b6f3fc93f02ff2e52b57777d71
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SSDEEP
12288:9RZOzGbjLt3GCzB1CNFq0Q2rPxa5Zfxtee:9Z3GCzB1aq0Q8a5BPee
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/1288-179-0x000001F83D8B0000-0x000001F8411A8000-memory.dmp family_zgrat_v1 behavioral1/memory/1288-182-0x000001F85B9B0000-0x000001F85BAC0000-memory.dmp family_zgrat_v1 behavioral1/memory/1288-187-0x000001F85BAC0000-0x000001F85BAE4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation CAAAFCAKKK.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation uyo.0.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation uyo.1.exe -
Executes dropped EXE 3 IoCs
pid Process 1520 uyo.0.exe 412 uyo.1.exe 3296 CAAAFCAKKK.exe -
Loads dropped DLL 2 IoCs
pid Process 1520 uyo.0.exe 1520 uyo.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
pid pid_target Process procid_target 2144 1248 WerFault.exe 90 1016 1520 WerFault.exe 95 -
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 uyo.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI uyo.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI uyo.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 uyo.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString uyo.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1748 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1520 uyo.0.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1288 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe 412 uyo.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1248 wrote to memory of 1520 1248 6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe 95 PID 1248 wrote to memory of 1520 1248 6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe 95 PID 1248 wrote to memory of 1520 1248 6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe 95 PID 1248 wrote to memory of 412 1248 6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe 100 PID 1248 wrote to memory of 412 1248 6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe 100 PID 1248 wrote to memory of 412 1248 6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe 100 PID 1520 wrote to memory of 3812 1520 uyo.0.exe 112 PID 1520 wrote to memory of 3812 1520 uyo.0.exe 112 PID 1520 wrote to memory of 3812 1520 uyo.0.exe 112 PID 3812 wrote to memory of 3296 3812 cmd.exe 116 PID 3812 wrote to memory of 3296 3812 cmd.exe 116 PID 3812 wrote to memory of 3296 3812 cmd.exe 116 PID 412 wrote to memory of 1288 412 uyo.1.exe 117 PID 412 wrote to memory of 1288 412 uyo.1.exe 117 PID 3296 wrote to memory of 3896 3296 CAAAFCAKKK.exe 118 PID 3296 wrote to memory of 3896 3296 CAAAFCAKKK.exe 118 PID 3296 wrote to memory of 3896 3296 CAAAFCAKKK.exe 118 PID 3896 wrote to memory of 1748 3896 cmd.exe 120 PID 3896 wrote to memory of 1748 3896 cmd.exe 120 PID 3896 wrote to memory of 1748 3896 cmd.exe 120
Processes
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C:\Users\Admin\AppData\Local\Temp\6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe"C:\Users\Admin\AppData\Local\Temp\6784b35e8ba83cc0a81f76ada1c67928c2526d13ae5e3d6657a08c53124275f6.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1248 -
C:\Users\Admin\AppData\Local\Temp\uyo.0.exe"C:\Users\Admin\AppData\Local\Temp\uyo.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:1520 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CAAAFCAKKK.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Users\Admin\AppData\Local\Temp\CAAAFCAKKK.exe"C:\Users\Admin\AppData\Local\Temp\CAAAFCAKKK.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3296 -
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\CAAAFCAKKK.exe5⤵
- Suspicious use of WriteProcessMemory
PID:3896 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:1748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 24403⤵
- Program crash
PID:1016
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C:\Users\Admin\AppData\Local\Temp\uyo.1.exe"C:\Users\Admin\AppData\Local\Temp\uyo.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:412 -
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:1288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 11962⤵
- Program crash
PID:2144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1248 -ip 12481⤵PID:4748
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3144 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:31⤵PID:2060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1520 -ip 15201⤵PID:3896
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4108 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:1332
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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Filesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
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Filesize
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
3KB
MD5e5f6c03e9f93c06cea6e990544ccadb2
SHA1ddd33aad54b896f826346b0f442a855435efe3ef
SHA256d6d395cd6ef868d0097a606b8290758de256151cbb150fe322b21a7f9d8e7439
SHA5124c8191b0d7d0303c5ea918612507253db520eff55e7ddc2175db3f173ffec8c3a2fbaf4fb4077d484cea7c13ce6c82f8761914ce7a42e578ddb6d14b22cd8e40
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Filesize
289KB
MD59105a03d2ead89d612c53f1dc322eb9e
SHA1af3d72c0f399ba16b678910e21eb04e8e6122bee
SHA256c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7
SHA5124dd290c0ce5fd4414600f3c869a6ee6fba2c7b8ec856d6aed0dffb17253eb0c37b4945d2c5881d1fc40547c8f1b1ef22e63fce229ebfc19022e44b8ee87b2fcf
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954