Analysis
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max time kernel
151s -
max time network
141s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
07-05-2021 13:02
Static task
static1
Behavioral task
behavioral1
Sample
taskhost.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
taskhost.exe
Resource
win10v20210408
General
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Target
taskhost.exe
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Size
2.8MB
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MD5
4d07687083cbaa9c4f9ed49ce324a74b
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SHA1
b56252678f52db028b3731de9940bffe4d666fcc
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SHA256
fd262d6c99b548dc34af6c75ec941894432781cbd760e8213be95ce65f1a7bba
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SHA512
07962b7d646a6e2d8c570da102a1bbd960c81df22c5681b39c49b307a9cf2a4dfea8e607f5be40c43a5828ba15d1c4ada76ebc95d0f6d540e2d0b86a32d41ba7
Malware Config
Signatures
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XMRig Miner Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1424-68-0x0000000000A14AA0-mapping.dmp xmrig behavioral1/memory/1424-69-0x0000000000400000-0x0000000000A16000-memory.dmp xmrig behavioral1/memory/1424-73-0x0000000000401000-0x0000000000938000-memory.dmp xmrig -
Processes:
resource yara_rule behavioral1/memory/1424-66-0x0000000000400000-0x0000000000A16000-memory.dmp upx behavioral1/memory/1424-67-0x0000000000400000-0x0000000000A16000-memory.dmp upx behavioral1/memory/1424-69-0x0000000000400000-0x0000000000A16000-memory.dmp upx -
Drops startup file 1 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UkeplxjeiD.url wscript.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
taskhost.exetaskhost.exedescription pid process target process PID 864 set thread context of 1684 864 taskhost.exe taskhost.exe PID 1684 set thread context of 1424 1684 taskhost.exe notepad.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
taskhost.exepid process 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe 1684 taskhost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
taskhost.exenotepad.exedescription pid process Token: SeDebugPrivilege 1684 taskhost.exe Token: SeLockMemoryPrivilege 1424 notepad.exe Token: SeLockMemoryPrivilege 1424 notepad.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
taskhost.exepid process 864 taskhost.exe -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
taskhost.exetaskhost.execmd.exedescription pid process target process PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 864 wrote to memory of 1684 864 taskhost.exe taskhost.exe PID 1684 wrote to memory of 864 1684 taskhost.exe taskhost.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 1424 1684 taskhost.exe notepad.exe PID 1684 wrote to memory of 620 1684 taskhost.exe cmd.exe PID 1684 wrote to memory of 620 1684 taskhost.exe cmd.exe PID 1684 wrote to memory of 620 1684 taskhost.exe cmd.exe PID 1684 wrote to memory of 620 1684 taskhost.exe cmd.exe PID 1684 wrote to memory of 620 1684 taskhost.exe cmd.exe PID 1684 wrote to memory of 620 1684 taskhost.exe cmd.exe PID 620 wrote to memory of 1120 620 cmd.exe wscript.exe PID 620 wrote to memory of 1120 620 cmd.exe wscript.exe PID 620 wrote to memory of 1120 620 cmd.exe wscript.exe PID 620 wrote to memory of 1120 620 cmd.exe wscript.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\taskhost.exe"C:\Users\Admin\AppData\Local\Temp\taskhost.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\taskhost.exe"C:\Users\Admin\AppData\Local\Temp\taskhost.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\notepad.exe"C:\Windows\notepad.exe" -c "C:\ProgramData\lSuRugDFHR\cfgi"3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.execmd.exe /C WScript "C:\ProgramData\lSuRugDFHR\r.vbs"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wscript.exeWScript "C:\ProgramData\lSuRugDFHR\r.vbs"4⤵
- Drops startup file
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\ProgramData\lSuRugDFHR\cfgiMD5
d61241d9a72a0f30b8ed3fc7b969fbe3
SHA19946a4deca135c6d519b817f3edf05834760579f
SHA2568068396e6684ddefdd868be556ea224609854aa3ff653747dc05f1fcc20dd41c
SHA5124dde04224c4d22c718fc907020eefc7bb1ee55eb124b1efa4cca5949276c3e367223cdc0fd6ca1be677d3354ec993fb8aca18c19e68e746798913a116fc5d7c6
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C:\ProgramData\lSuRugDFHR\r.vbsMD5
aaeac492102e79fb3268ee27bbb46cac
SHA1240f554c3ea020167019406c36e06a68c4cc1b63
SHA2562c914731f4e36b3601bc30706bb1a2339a1970af9d87630886208a1ebef04fb4
SHA5121b4c3a755fc84d26a60dce9ac6a112de999d3c17fd48ec749d6003496753c7eb2e037f57885bf810f2ecb0e18b00ca0da49ae7b19f337d50e3a5aa7b2de462a5
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UkeplxjeiD.urlMD5
35015db45f574eb0c6202efeef2c0dcc
SHA16fcd6a0cc15a21477bf99f05add9015eb7e11aa6
SHA256e43d7feb7648b9b5ee2bed19aeb990818429580dfd731106f25caade1f485f5e
SHA512d145ec6ee6ce970dc4397305fe4f5ee7addf2e43b0e10b6f3e87eb56fc5cce603e2b2ad6c534dda082e756e423cb79e0a96564df86ecf86ebe464f40fb891612
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memory/620-77-0x0000000000290000-0x0000000000464000-memory.dmpFilesize
1.8MB
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memory/620-76-0x0000000000000000-mapping.dmp
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memory/1120-78-0x0000000000000000-mapping.dmp
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memory/1424-70-0x0000000000260000-0x0000000000274000-memory.dmpFilesize
80KB
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memory/1424-69-0x0000000000400000-0x0000000000A16000-memory.dmpFilesize
6.1MB
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memory/1424-72-0x0000000000938000-0x0000000000A15000-memory.dmpFilesize
884KB
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memory/1424-68-0x0000000000A14AA0-mapping.dmp
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memory/1424-73-0x0000000000401000-0x0000000000938000-memory.dmpFilesize
5.2MB
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memory/1424-74-0x00000000003D0000-0x00000000003F0000-memory.dmpFilesize
128KB
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memory/1424-75-0x0000000002320000-0x0000000002340000-memory.dmpFilesize
128KB
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memory/1424-67-0x0000000000400000-0x0000000000A16000-memory.dmpFilesize
6.1MB
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memory/1424-66-0x0000000000400000-0x0000000000A16000-memory.dmpFilesize
6.1MB
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memory/1684-62-0x0000000000400000-0x00000000005D4000-memory.dmpFilesize
1.8MB
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memory/1684-65-0x0000000000400000-0x00000000005D4000-memory.dmpFilesize
1.8MB
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memory/1684-64-0x0000000075891000-0x0000000075893000-memory.dmpFilesize
8KB
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memory/1684-63-0x0000000000404470-mapping.dmp