Analysis
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max time kernel
15s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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 7 IoCs
resource yara_rule behavioral1/memory/2368-1-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/2368-13-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/340-18-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/340-23-0x0000000000400000-0x0000000000587000-memory.dmp xmrig behavioral1/memory/340-34-0x0000000000400000-0x0000000000587000-memory.dmp xmrig behavioral1/memory/340-32-0x00000000005A0000-0x000000000071F000-memory.dmp xmrig behavioral1/memory/340-33-0x0000000003230000-0x00000000033C3000-memory.dmp xmrig -
Deletes itself 1 IoCs
pid Process 340 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
Executes dropped EXE 1 IoCs
pid Process 340 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
Loads dropped DLL 1 IoCs
pid Process 2368 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
resource yara_rule behavioral1/memory/2368-0-0x0000000000400000-0x0000000000712000-memory.dmp upx behavioral1/files/0x000c00000001225f-7.dat upx behavioral1/memory/340-16-0x0000000000400000-0x0000000000712000-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 2368 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2368 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 340 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2368 wrote to memory of 340 2368 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 31 PID 2368 wrote to memory of 340 2368 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 31 PID 2368 wrote to memory of 340 2368 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 31 PID 2368 wrote to memory of 340 2368 b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe"C:\Users\Admin\AppData\Local\Temp\b073c64b9f3e92817d86293787bbfa2ee1d743d03864609b1a4b9b77d5de6885N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2368 -
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:340
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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
MD5598c9044c03e6c09a5c537628bef1d2b
SHA10a6d3b5c6986882b746114c8f53123111998002e
SHA256cca8c32b09721b76bfd548a89e6dc5a3c8d524ea2d3f6c81a4e8556c5ac3c3bf
SHA51205a8a092b6562be9a6c6824b6b5b83af9c41c6fab60cb50fd37b1b013ea62fe1edba0715a0f79279cd3684d4322c2f1d9a0820918cf28110c79bb22f9fece733