Analysis
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max time kernel
119s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
23/07/2024, 00:55
Static task
static1
Behavioral task
behavioral1
Sample
3d5723529369b43fa94af174b42b1770N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3d5723529369b43fa94af174b42b1770N.exe
Resource
win10v2004-20240709-en
General
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Target
3d5723529369b43fa94af174b42b1770N.exe
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Size
463KB
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MD5
3d5723529369b43fa94af174b42b1770
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SHA1
482610d1d526c6ca91a15931f0b14f1d13a28e5b
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SHA256
1de8fd83ae6b84863b0d20207f5fcef47a8c8efe7da688253516b59fb7dd133d
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SHA512
77f9e206ce39620323d28d126be7d6eb5b3d7573578eb91fa17b99727adbd7b92516084476b4a2ac78f6ecc410ab13730edd88da24de3d2323e3f9a58859f11e
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SSDEEP
12288:w7lc87eqqV5e+wBV6O+iPFIDq2xdL/tejL:w7SqqHeVBxnPFIpj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4464 Passlace.exe 220 backdl32.exe 1988 ~A0F3.tmp -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OposOUTE = "C:\\Users\\Admin\\AppData\\Roaming\\mavidVol\\Passlace.exe" 3d5723529369b43fa94af174b42b1770N.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\backdl32.exe 3d5723529369b43fa94af174b42b1770N.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4464 Passlace.exe 4464 Passlace.exe 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE 3408 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4464 Passlace.exe Token: SeShutdownPrivilege 3408 Explorer.EXE Token: SeCreatePagefilePrivilege 3408 Explorer.EXE Token: SeShutdownPrivilege 3408 Explorer.EXE Token: SeCreatePagefilePrivilege 3408 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3408 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1648 wrote to memory of 4464 1648 3d5723529369b43fa94af174b42b1770N.exe 87 PID 1648 wrote to memory of 4464 1648 3d5723529369b43fa94af174b42b1770N.exe 87 PID 1648 wrote to memory of 4464 1648 3d5723529369b43fa94af174b42b1770N.exe 87 PID 4464 wrote to memory of 1988 4464 Passlace.exe 89 PID 4464 wrote to memory of 1988 4464 Passlace.exe 89 PID 1988 wrote to memory of 3408 1988 ~A0F3.tmp 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3408 -
C:\Users\Admin\AppData\Local\Temp\3d5723529369b43fa94af174b42b1770N.exe"C:\Users\Admin\AppData\Local\Temp\3d5723529369b43fa94af174b42b1770N.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Roaming\mavidVol\Passlace.exe"C:\Users\Admin\AppData\Roaming\mavidVol"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Users\Admin\AppData\Local\Temp\~A0F3.tmp3408 474632 4464 14⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1988
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C:\Windows\SysWOW64\backdl32.exeC:\Windows\SysWOW64\backdl32.exe -s1⤵
- Executes dropped EXE
PID:220
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD586dc243576cf5c7445451af37631eea9
SHA199a81c47c4c02f32c0ab456bfa23c306c7a09bf9
SHA25625d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a
SHA512c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4
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Filesize
463KB
MD5c04f479b04d45c4b4d1f0cae4f26d05d
SHA14fcad6d76e07aa5c1f24470a6c0e120d6c337535
SHA256aec61848b41db7a1cebdff1ce7192f56778aebb07ee34f3e126ccb86d79492a9
SHA512d6f3d75351a8f38ac1f37cd7a44e3502c4902d89341bbbbc30dc9f40a2a2f796a42928c6cd3ed024032bfcc6de5ce224ddc256e523f0bf298ee22fe3469e1486