Analysis
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max time kernel
15s -
max time network
20s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
27/10/2024, 12:15
Behavioral task
behavioral1
Sample
879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe
Resource
win7-20241010-en
General
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Target
879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe
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Size
784KB
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MD5
5fd2e258e64e4cd42a3fdd8e5319e210
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SHA1
6e1a1ef46bb1591c1b70da2f61764be8e7b453a1
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SHA256
879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1b
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SHA512
c450f77e546c7d0012b7ad407080bc117f836086e5ff6d85aa0a4ac35e5bf1e297aa51b3ba77c83545b848d80471dd34a0c13e92ba76148db1eedad0c0daf091
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SSDEEP
12288:YFpu3bAVuaIgv+BJcSSvCr+Mr1q0T4Q1Ji2ZRlLT5ucPaX4EogaywluzBIE7LkPU:7kOpSQh4cjR9AaaW5lNEfIYBZ+7o0T
Malware Config
Signatures
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Xmrig family
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XMRig Miner payload 7 IoCs
resource yara_rule behavioral1/memory/2380-14-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/2380-1-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/1044-23-0x0000000000400000-0x0000000000587000-memory.dmp xmrig behavioral1/memory/1044-32-0x00000000030D0000-0x0000000003263000-memory.dmp xmrig behavioral1/memory/1044-18-0x0000000000400000-0x0000000000593000-memory.dmp xmrig behavioral1/memory/1044-33-0x00000000005A0000-0x000000000071F000-memory.dmp xmrig behavioral1/memory/1044-34-0x0000000000400000-0x0000000000587000-memory.dmp xmrig -
Deletes itself 1 IoCs
pid Process 1044 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe -
Executes dropped EXE 1 IoCs
pid Process 1044 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe -
Loads dropped DLL 1 IoCs
pid Process 2380 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe -
resource yara_rule behavioral1/memory/2380-0-0x0000000000400000-0x0000000000712000-memory.dmp upx behavioral1/files/0x000a00000001225c-15.dat upx behavioral1/memory/1044-16-0x0000000000400000-0x0000000000712000-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 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2380 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2380 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe 1044 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2380 wrote to memory of 1044 2380 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe 30 PID 2380 wrote to memory of 1044 2380 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe 30 PID 2380 wrote to memory of 1044 2380 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe 30 PID 2380 wrote to memory of 1044 2380 879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe"C:\Users\Admin\AppData\Local\Temp\879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exeC:\Users\Admin\AppData\Local\Temp\879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:1044
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Network
MITRE ATT&CK Enterprise v15
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Downloads
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C:\Users\Admin\AppData\Local\Temp\879e2503aee82eeaa24970c932599b82b5d00f786e0cca2b61605c98e4677f1bN.exe
Filesize784KB
MD5ea057afb6acb120c63180d7d31ac7b04
SHA193e6d41029a950d46334333febd93f9f33b471ed
SHA256c53403f53881ff1d01bbf933057f7986d2bbf30047a3dbc65262cbadd907ea67
SHA5125a641f947f9a25112cfa4cdcaff1f6562d51dcdb0dbd04320258a51196b32f3d4e74c90fcbc9db157d12acd9ecc004d74a8d74703bf764f559c88c89bf5aee85