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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2024, 19:14
Static task
static1
Behavioral task
behavioral1
Sample
4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe
Resource
win10v2004-20240226-en
General
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Target
4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe
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Size
479KB
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MD5
ca1f7306feca88e7e9f2256a6a1a4f13
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SHA1
5f8061a6844eed81daa369c59384d3b77e53ef8b
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SHA256
4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a
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SHA512
140ce527a5398623dca8094153814524fc2fdfa075e1804e8a33204e6d17ca569c83cd029bd05904b8662b83d73d6bc69a6b385909171520fbc4cc0cb027970b
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SSDEEP
12288:iOlc87eqqV5e+wBV6O+OfTbdgb0SGH+TC7LYK:iOSqqHeVBxvTWG6UkK
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4824 cmstript.exe 3928 ~62B1.tmp -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\certvate = "C:\\Users\\Admin\\AppData\\Roaming\\raseware\\cmstript.exe" 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\diskperf.exe 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4824 cmstript.exe 4824 cmstript.exe 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE 3368 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4824 cmstript.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3368 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 116 wrote to memory of 4824 116 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 91 PID 116 wrote to memory of 4824 116 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 91 PID 116 wrote to memory of 4824 116 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 91 PID 4824 wrote to memory of 3928 4824 cmstript.exe 92 PID 4824 wrote to memory of 3928 4824 cmstript.exe 92 PID 3928 wrote to memory of 3368 3928 ~62B1.tmp 57
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:3368 -
C:\Users\Admin\AppData\Local\Temp\4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe"C:\Users\Admin\AppData\Local\Temp\4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Users\Admin\AppData\Roaming\raseware\cmstript.exe"C:\Users\Admin\AppData\Roaming\raseware"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Users\Admin\AppData\Local\Temp\~62B1.tmp3368 490504 4824 14⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3928
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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
479KB
MD51e8090b28e706894de1a8a0aba9e047b
SHA1d6f330ab4c0ea68061f28a2a2e4342682ebd5e7e
SHA2561ff1eb7af06c2ffa6807536b59d1163d8a5130b9a64a25f2519912855c11734c
SHA512b54be5ea959bfd25dc2957bb6999a3af1752919e1d13f10e42e3e6555c4c18c8607fd269bc4ce157e87426dc63bab7e332e55d523e4da031759ecfb75d83f518