Analysis
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max time kernel
140s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27/10/2022, 15:04
Static task
static1
Behavioral task
behavioral1
Sample
Contract#4073.html
Resource
win7-20220812-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
Contract#4073.html
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
Contract#4073.html
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Size
839KB
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MD5
13edbdd74a0145b65fe8fd8431844b49
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SHA1
1f23da416c57113b7ad39b6bc518ed322cb76417
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SHA256
9fb40fd3db4d25b23218bceefc3312045b4235dea6f89f28b8dacba1698a8fc2
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SHA512
d6e1d8a41d7726dc2de4d8668731fb2525b0f97417fd8a80fb1f0250010986504134580f8e38654d8957def60ae1612c5ee8196a69b7d30eabdd45a47e3f697d
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SSDEEP
12288:P660yZwt0EhU1ONKdFyL/txdNFSNMYs+q8WgussBwVFnbOkxp3:S6tYnTFSbzq8WXsssFbfxp
Score
7/10
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2800 regsvr32.exe -
Checks processor information in registry 2 TTPs 4 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\VendorIdentifier firefox.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz firefox.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings firefox.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache firefox.exe -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\attachment.zip:Zone.Identifier firefox.exe -
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
pid Process 2780 regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 33 IoCs
pid Process 2800 regsvr32.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe 2952 wermgr.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2800 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 916 firefox.exe Token: SeDebugPrivilege 916 firefox.exe Token: SeDebugPrivilege 916 firefox.exe Token: SeRestorePrivilege 2656 7zFM.exe Token: 35 2656 7zFM.exe Token: SeSecurityPrivilege 2656 7zFM.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe 916 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 916 firefox.exe 916 firefox.exe 916 firefox.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 916 firefox.exe 916 firefox.exe 916 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 1848 wrote to memory of 916 1848 firefox.exe 28 PID 916 wrote to memory of 600 916 firefox.exe 30 PID 916 wrote to memory of 600 916 firefox.exe 30 PID 916 wrote to memory of 600 916 firefox.exe 30 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1496 916 firefox.exe 31 PID 916 wrote to memory of 1584 916 firefox.exe 32 PID 916 wrote to memory of 1584 916 firefox.exe 32 PID 916 wrote to memory of 1584 916 firefox.exe 32 PID 916 wrote to memory of 1584 916 firefox.exe 32 PID 916 wrote to memory of 1584 916 firefox.exe 32 PID 916 wrote to memory of 1584 916 firefox.exe 32 PID 916 wrote to memory of 1584 916 firefox.exe 32
Processes
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" C:\Users\Admin\AppData\Local\Temp\Contract#4073.html1⤵
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" C:\Users\Admin\AppData\Local\Temp\Contract#4073.html2⤵
- Checks processor information in registry
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="916.0.709217536\1091827024" -parentBuildID 20200403170909 -prefsHandle 1200 -prefMapHandle 1192 -prefsLen 1 -prefMapSize 220106 -appdir "C:\Program Files\Mozilla Firefox\browser" - 916 "\\.\pipe\gecko-crash-server-pipe.916" 1284 gpu3⤵PID:600
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="916.3.1194394015\1094707792" -childID 1 -isForBrowser -prefsHandle 1880 -prefMapHandle 1876 -prefsLen 156 -prefMapSize 220106 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 916 "\\.\pipe\gecko-crash-server-pipe.916" 1704 tab3⤵PID:1496
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="916.13.54350451\1335200601" -childID 2 -isForBrowser -prefsHandle 2704 -prefMapHandle 2700 -prefsLen 6938 -prefMapSize 220106 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 916 "\\.\pipe\gecko-crash-server-pipe.916" 2716 tab3⤵PID:1584
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="916.20.2125927407\1701027861" -childID 3 -isForBrowser -prefsHandle 2712 -prefMapHandle 3076 -prefsLen 7643 -prefMapSize 220106 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 916 "\\.\pipe\gecko-crash-server-pipe.916" 3176 tab3⤵PID:2084
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C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Documents\attachment\Contract_5353.iso"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2656
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reviewer\orderliness.cmd vr 32. exe1⤵PID:2740
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C:\Windows\system32\replace.exereplace C:\Windows\\system32\\regsvr32.exe C:\Users\Admin\AppData\Local\Temp /A2⤵PID:2768
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C:\Windows\system32\regsvr32.exeregsvr32.exe reviewer\graphs.dat2⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
PID:2780 -
C:\Windows\SysWOW64\regsvr32.exereviewer\graphs.dat3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2800 -
C:\Windows\SysWOW64\wermgr.exeC:\Windows\SysWOW64\wermgr.exe4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
628KB
MD5d5987c7f04bccd90782c37f5697e39ef
SHA1b5eb5a330b400338ade359e13ac29fc61dbdad64
SHA256d8d246935b437a41f5a65035889ba4b5e219ef9f565cd32789c4d9b677477aeb
SHA512c4c986605090a3ca4eb6f254eb00f153b6bf816e58f7efbd3398b6c8ae4f868b99842141b6105684c4eefa461160ae5ee9a56974d420d40ba73c752b331b89df
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Filesize
359B
MD5dae49109ceddf28e9abb871db8f827be
SHA1fd5f2515013319101aabc8785a947d12de434a03
SHA256835b165c48b39c9196b11b18e389ead29884b0361d5ac7242dadddc095cd6382
SHA512a5e18a5589d20e9fb9c5d51d8ac85f0c8e88a76fe4911a9d554d8e44d1db097364b5e7e8e120a2eb648ddb9bfd5233380d399244a77e0817442b4fdf0e6b89a7
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Filesize
628KB
MD5d5987c7f04bccd90782c37f5697e39ef
SHA1b5eb5a330b400338ade359e13ac29fc61dbdad64
SHA256d8d246935b437a41f5a65035889ba4b5e219ef9f565cd32789c4d9b677477aeb
SHA512c4c986605090a3ca4eb6f254eb00f153b6bf816e58f7efbd3398b6c8ae4f868b99842141b6105684c4eefa461160ae5ee9a56974d420d40ba73c752b331b89df