Analysis
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max time kernel
142s -
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
27-04-2024 00:18
Static task
static1
Behavioral task
behavioral1
Sample
fcac04fb67b3dec2db923867c5cb0701.exe
Resource
win7-20240220-en
General
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Target
fcac04fb67b3dec2db923867c5cb0701.exe
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Size
431KB
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MD5
fcac04fb67b3dec2db923867c5cb0701
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SHA1
56af848d85c781fd6ac0b8e11b2aec770fc4a105
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SHA256
df620b823687fa8371cb9e5a0dc17c483d804ef601757968b8666de2608d8ebb
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SHA512
66dd7676f43c1578e9d1f2e7e6bca50ae84541497d7b5801872fe7bad8118bc92d06ba4fd0f7a0f0b47e3d47485f116e89bf43e3324c1ef767d2d62befa236cd
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SSDEEP
12288:FiJmkAC1wKXfuGRen+MkNDbfs+uR6/N40KZ:Hk2quGRO+MkNDg+uR6/u0W
Malware Config
Signatures
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Detect ZGRat V1 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1748-161-0x0000025B5A920000-0x0000025B5E218000-memory.dmp family_zgrat_v1 behavioral2/memory/1748-162-0x0000025B78A30000-0x0000025B78B40000-memory.dmp family_zgrat_v1 behavioral2/memory/1748-166-0x0000025B78A00000-0x0000025B78A24000-memory.dmp family_zgrat_v1 -
SectopRAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1988-197-0x0000000000C00000-0x0000000000CC6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
u3xc.3.exefcac04fb67b3dec2db923867c5cb0701.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation u3xc.3.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation fcac04fb67b3dec2db923867c5cb0701.exe -
Executes dropped EXE 3 IoCs
Processes:
u3xc.0.exerun.exeu3xc.3.exepid Process 5032 u3xc.0.exe 1080 run.exe 1136 u3xc.3.exe -
Loads dropped DLL 1 IoCs
Processes:
run.exepid Process 1080 run.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
run.execmd.exedescription pid Process procid_target PID 1080 set thread context of 4804 1080 run.exe 100 PID 4804 set thread context of 1988 4804 cmd.exe 114 -
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 1380 5032 WerFault.exe 92 3808 5088 WerFault.exe 91 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u3xc.3.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3xc.3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3xc.3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3xc.3.exe -
Suspicious behavior: EnumeratesProcesses 35 IoCs
Processes:
run.execmd.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exeMSBuild.exepid Process 1080 run.exe 1080 run.exe 4804 cmd.exe 4804 cmd.exe 4804 cmd.exe 4804 cmd.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1988 MSBuild.exe 1988 MSBuild.exe 1988 MSBuild.exe 1988 MSBuild.exe 1988 MSBuild.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
run.execmd.exepid Process 1080 run.exe 4804 cmd.exe 4804 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exeMSBuild.exedescription pid Process Token: SeDebugPrivilege 1748 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 1988 MSBuild.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u3xc.3.exepid Process 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u3xc.3.exepid Process 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe 1136 u3xc.3.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
run.exeMSBuild.exepid Process 1080 run.exe 1080 run.exe 1988 MSBuild.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
fcac04fb67b3dec2db923867c5cb0701.exerun.exeu3xc.3.execmd.exedescription pid Process procid_target PID 5088 wrote to memory of 5032 5088 fcac04fb67b3dec2db923867c5cb0701.exe 92 PID 5088 wrote to memory of 5032 5088 fcac04fb67b3dec2db923867c5cb0701.exe 92 PID 5088 wrote to memory of 5032 5088 fcac04fb67b3dec2db923867c5cb0701.exe 92 PID 5088 wrote to memory of 1080 5088 fcac04fb67b3dec2db923867c5cb0701.exe 97 PID 5088 wrote to memory of 1080 5088 fcac04fb67b3dec2db923867c5cb0701.exe 97 PID 5088 wrote to memory of 1080 5088 fcac04fb67b3dec2db923867c5cb0701.exe 97 PID 1080 wrote to memory of 4804 1080 run.exe 100 PID 1080 wrote to memory of 4804 1080 run.exe 100 PID 1080 wrote to memory of 4804 1080 run.exe 100 PID 5088 wrote to memory of 1136 5088 fcac04fb67b3dec2db923867c5cb0701.exe 102 PID 5088 wrote to memory of 1136 5088 fcac04fb67b3dec2db923867c5cb0701.exe 102 PID 5088 wrote to memory of 1136 5088 fcac04fb67b3dec2db923867c5cb0701.exe 102 PID 1080 wrote to memory of 4804 1080 run.exe 100 PID 1136 wrote to memory of 1748 1136 u3xc.3.exe 113 PID 1136 wrote to memory of 1748 1136 u3xc.3.exe 113 PID 4804 wrote to memory of 1988 4804 cmd.exe 114 PID 4804 wrote to memory of 1988 4804 cmd.exe 114 PID 4804 wrote to memory of 1988 4804 cmd.exe 114 PID 4804 wrote to memory of 1988 4804 cmd.exe 114 PID 4804 wrote to memory of 1988 4804 cmd.exe 114
Processes
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C:\Users\Admin\AppData\Local\Temp\fcac04fb67b3dec2db923867c5cb0701.exe"C:\Users\Admin\AppData\Local\Temp\fcac04fb67b3dec2db923867c5cb0701.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Users\Admin\AppData\Local\Temp\u3xc.0.exe"C:\Users\Admin\AppData\Local\Temp\u3xc.0.exe"2⤵
- Executes dropped EXE
PID:5032 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 10363⤵
- Program crash
PID:1380
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C:\Users\Admin\AppData\Local\Temp\u3xc.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3xc.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1988
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C:\Users\Admin\AppData\Local\Temp\u3xc.3.exe"C:\Users\Admin\AppData\Local\Temp\u3xc.3.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:1136 -
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:1748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 11522⤵
- Program crash
PID:3808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5032 -ip 50321⤵PID:5056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 5088 -ip 50881⤵PID:3128
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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=1408 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵PID:1148
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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=3408 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:31⤵PID:1968
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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=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=2256 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵PID:5096
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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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
1.4MB
MD5571d71302d4bfd69abb435591c69ee22
SHA1365a219b47ab6ac1aaa5d841fc1dce1fc61c41cb
SHA256d4651d451f63d19e5b38f5a482bbb65a15e55445e65f24671bc63a699cacbaee
SHA512cb1074248ca5b47f6605d274860218b8ff3673de4da0d167ce2557a5ce07f8d078b1eb7da0912caf930605924d5fb6aca551578bf718adea83dc98a6d7f953b1
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Filesize
20KB
MD5c9ff7748d8fcef4cf84a5501e996a641
SHA102867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA2564d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
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Filesize
20KB
MD591dbaf73c1a8c55254d90272f998e412
SHA12b86b31c8c00c937291e5ac3b1d134a5df959acf
SHA2560628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107
SHA512109f4f59616cc1d1682b4d9468804f7668c77ce1878afec06a57037193f31a9c1c39f5d269277462936373b129d26488cddcc34d455c27185534e7754baaa988
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Filesize
287KB
MD5bb2810421305b969836433a1dfb11271
SHA1b539a84f42a3e07253bfc76ab2cc89de6fdf6f7c
SHA25684a11b7b44f40e21f2b778875bb6af408a014eeb907fb846cbcc7ea73131cefa
SHA51294bc6848061595b7d2c78dd03cb488eb1c51cf53f372d725687353b47c6c601dd6d2470cf308720e556fa7d6160ea1185f034e75db793c6bdd592dd3606a0963
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Filesize
3.7MB
MD578d3ca6355c93c72b494bb6a498bf639
SHA12fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA5121b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
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Filesize
1.6MB
MD5d1ba9412e78bfc98074c5d724a1a87d6
SHA10572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA5128765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
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Filesize
1.3MB
MD51e8237d3028ab52821d69099e0954f97
SHA130a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA2569387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
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Filesize
1.5MB
MD510d51becd0bbce0fab147ff9658c565e
SHA14689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA2567b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA51229faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
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Filesize
2.4MB
MD59fb4770ced09aae3b437c1c6eb6d7334
SHA1fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
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Filesize
85KB
MD5a723bf46048e0bfb15b8d77d7a648c3e
SHA18952d3c34e9341e4425571e10f22b782695bb915
SHA256b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954