Analysis
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max time kernel
149s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2024 06:03
Static task
static1
Behavioral task
behavioral1
Sample
e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe
Resource
win10v2004-20240730-en
General
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Target
e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe
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Size
43KB
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MD5
970428b28bd040fb81fc95a7b01cdfd2
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SHA1
743817d48efafb83fb08a92d9c13d2d8bdf677be
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SHA256
e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f
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SHA512
30307f8df915d64c28acb7bf7db320f72b3bf8c2e90adce7efe54f5d773c13e75043d15d18620569406c4401d59cee48f39bf67449d34eade3378ed91b34b64e
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhc:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY8
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2544 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2544 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1480 wrote to memory of 2544 1480 e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe 83 PID 1480 wrote to memory of 2544 1480 e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe 83 PID 1480 wrote to memory of 2544 1480 e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe"C:\Users\Admin\AppData\Local\Temp\e2fa67990b35578ed6bcd11281a28b3581a328d38bbac12dfdba66268c3ab44f.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5431b2e4a4e3fa7955f1bc94527e0056a
SHA1d3c701a8736f85f651a7de2d66cb078ef4880a1b
SHA25621a56b4eb8b1c81f82c9d0fdebb3949f031b73a735abd36a6746c962f39535ff
SHA512c0091bf51613c5959d6f80a7bab2c4f108ade43912a447bf300b7833b904c4b753d18c5b0c57b2159a7093c1fc9d5d07d65479e2cc01d7831675fd6e39399fae