Analysis
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max time kernel
103s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26/10/2024, 08:09
Behavioral task
behavioral1
Sample
b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe
Resource
win7-20240708-en
General
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Target
b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe
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Size
784KB
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MD5
258b9ca58957134fcac2dfc572f004c0
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SHA1
adfc44a2e41d3bc142cfb7c93646214d90082f1e
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SHA256
b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885
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SHA512
c05bca1c6ae4db213ec01784ea050d35ce0feb7f7e6ef1c48c6bd50ce1f8a7254e7d5d5387d76553495b65cd717b64cb424fc7bc76d63e1550f992998b23b8a1
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SSDEEP
24576:Plzv0KJKY1DIcKIKvpX69vJOhhP5+CMT:PlbFF8cBqa2gCMT
Malware Config
Signatures
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Xmrig family
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XMRig Miner payload 6 IoCs
resource yara_rule behavioral2/memory/1920-2-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral2/memory/1920-12-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral2/memory/3384-15-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral2/memory/3384-20-0x0000000000400000-0x0000000000587000-memory.dmp xmrig behavioral2/memory/3384-29-0x00000000053C0000-0x0000000005553000-memory.dmp xmrig behavioral2/memory/3384-30-0x0000000000400000-0x0000000000587000-memory.dmp xmrig -
Deletes itself 1 IoCs
pid Process 3384 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
Executes dropped EXE 1 IoCs
pid Process 3384 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
resource yara_rule behavioral2/memory/1920-0-0x0000000000400000-0x0000000000712000-memory.dmp upx behavioral2/files/0x000c000000023b40-11.dat upx behavioral2/memory/3384-13-0x0000000000400000-0x0000000000712000-memory.dmp upx -
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 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1920 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1920 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 3384 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1920 wrote to memory of 3384 1920 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 85 PID 1920 wrote to memory of 3384 1920 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 85 PID 1920 wrote to memory of 3384 1920 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe"C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exeC:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:3384
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe
Filesize784KB
MD523ad5aa9eb7cb1edb43ccc14b9cb78a3
SHA160bb6f89b556bcd69fcf13dc964fa74119a5f071
SHA2569d68e99f4625685e2da1a5698a8aff661af5f236f3e935b49a044b5ebd988ef6
SHA512f8853125d3b96dff02331d696aa7a706c60d4183ff4221a699862f8671d5372c0a00cde4de8a025ddce5e3501411e051b4595030880515f68be74670d5d8939c