Analysis
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max time kernel
44s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
28/11/2022, 00:59
Static task
static1
Behavioral task
behavioral1
Sample
e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Resource
win10v2004-20221111-en
General
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Target
e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
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Size
1.1MB
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MD5
faef568f4bfd6cf370b6030f5cfcee29
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SHA1
091b02b09a042e22b201dc14b1b6da5920a960b4
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SHA256
e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3
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SHA512
e6c7e22163e3bc45178895fc9b3219ced84fbc44f5dd6fa4cca9c765f2c8f01581b8a4a5328dcb0284f3320e504786d4848ee4f6776e53aa6babafe13295f670
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SSDEEP
24576:UPEWQwevPqLGbz1SZwQFhrqPocTZbODy1zhaWjV5hGP3:UPEyenqLGkTkZHNaWh5E/
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe -
Loads dropped DLL 7 IoCs
pid Process 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe 1044 WerFault.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1604 set thread context of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 -
Program crash 1 IoCs
pid pid_target Process procid_target 1044 332 WerFault.exe 28 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe Token: SeIncBasePriorityPrivilege 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 1604 wrote to memory of 332 1604 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 28 PID 332 wrote to memory of 1044 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 31 PID 332 wrote to memory of 1044 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 31 PID 332 wrote to memory of 1044 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 31 PID 332 wrote to memory of 1044 332 e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe"C:\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe"C:\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe" Track="0001001000"2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:332 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 13763⤵
- Loads dropped DLL
- Program crash
PID:1044
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Filesize1.1MB
MD5faef568f4bfd6cf370b6030f5cfcee29
SHA1091b02b09a042e22b201dc14b1b6da5920a960b4
SHA256e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3
SHA512e6c7e22163e3bc45178895fc9b3219ced84fbc44f5dd6fa4cca9c765f2c8f01581b8a4a5328dcb0284f3320e504786d4848ee4f6776e53aa6babafe13295f670
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\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Filesize1.1MB
MD5faef568f4bfd6cf370b6030f5cfcee29
SHA1091b02b09a042e22b201dc14b1b6da5920a960b4
SHA256e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3
SHA512e6c7e22163e3bc45178895fc9b3219ced84fbc44f5dd6fa4cca9c765f2c8f01581b8a4a5328dcb0284f3320e504786d4848ee4f6776e53aa6babafe13295f670
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\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Filesize1.1MB
MD5faef568f4bfd6cf370b6030f5cfcee29
SHA1091b02b09a042e22b201dc14b1b6da5920a960b4
SHA256e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3
SHA512e6c7e22163e3bc45178895fc9b3219ced84fbc44f5dd6fa4cca9c765f2c8f01581b8a4a5328dcb0284f3320e504786d4848ee4f6776e53aa6babafe13295f670
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\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Filesize1.1MB
MD5faef568f4bfd6cf370b6030f5cfcee29
SHA1091b02b09a042e22b201dc14b1b6da5920a960b4
SHA256e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3
SHA512e6c7e22163e3bc45178895fc9b3219ced84fbc44f5dd6fa4cca9c765f2c8f01581b8a4a5328dcb0284f3320e504786d4848ee4f6776e53aa6babafe13295f670
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\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Filesize1.1MB
MD5faef568f4bfd6cf370b6030f5cfcee29
SHA1091b02b09a042e22b201dc14b1b6da5920a960b4
SHA256e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3
SHA512e6c7e22163e3bc45178895fc9b3219ced84fbc44f5dd6fa4cca9c765f2c8f01581b8a4a5328dcb0284f3320e504786d4848ee4f6776e53aa6babafe13295f670
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\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Filesize1.1MB
MD5faef568f4bfd6cf370b6030f5cfcee29
SHA1091b02b09a042e22b201dc14b1b6da5920a960b4
SHA256e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3
SHA512e6c7e22163e3bc45178895fc9b3219ced84fbc44f5dd6fa4cca9c765f2c8f01581b8a4a5328dcb0284f3320e504786d4848ee4f6776e53aa6babafe13295f670
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\Users\Admin\AppData\Local\Temp\e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3.exe
Filesize1.1MB
MD5faef568f4bfd6cf370b6030f5cfcee29
SHA1091b02b09a042e22b201dc14b1b6da5920a960b4
SHA256e31037ff67d8f1676018cc9546e05f1a0a2f8f02bd52b9b0bdb66ee5c1cea6c3
SHA512e6c7e22163e3bc45178895fc9b3219ced84fbc44f5dd6fa4cca9c765f2c8f01581b8a4a5328dcb0284f3320e504786d4848ee4f6776e53aa6babafe13295f670