Analysis
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max time kernel
150s -
max time network
163s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
29-10-2021 08:41
Static task
static1
Behavioral task
behavioral1
Sample
PO#BTX18000211.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
PO#BTX18000211.exe
Resource
win10-en-20210920
General
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Target
PO#BTX18000211.exe
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Size
1005KB
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MD5
eb7a5438f88f49074ea39ae1403ada1d
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SHA1
eb0d35a80550db99c1adc40c1ceae3f015a683ed
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SHA256
082baf651937a61c656a7166f6e672341808068663c21bd4111feccf71b78983
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SHA512
c7c529c2056270556e2e0419cebfd3f721ac065fbcb12c965b936aad9cf51da85c0ac5d2e83bc1a5b8542f19199ddc24bbc4883447c1d5d5a71c7ecb9016e2ad
Malware Config
Signatures
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suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
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suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO#BTX18000211.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Pyjzxb = "C:\\Users\\Public\\Libraries\\\\bxzjyP.url" PO#BTX18000211.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 36 IoCs
Processes:
PO#BTX18000211.execmd.execmd.execmd.exedescription pid process target process PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 3744 2764 PO#BTX18000211.exe logagent.exe PID 2764 wrote to memory of 976 2764 PO#BTX18000211.exe cmd.exe PID 2764 wrote to memory of 976 2764 PO#BTX18000211.exe cmd.exe PID 2764 wrote to memory of 976 2764 PO#BTX18000211.exe cmd.exe PID 976 wrote to memory of 772 976 cmd.exe cmd.exe PID 976 wrote to memory of 772 976 cmd.exe cmd.exe PID 976 wrote to memory of 772 976 cmd.exe cmd.exe PID 772 wrote to memory of 2740 772 cmd.exe reg.exe PID 772 wrote to memory of 2740 772 cmd.exe reg.exe PID 772 wrote to memory of 2740 772 cmd.exe reg.exe PID 772 wrote to memory of 1572 772 cmd.exe reg.exe PID 772 wrote to memory of 1572 772 cmd.exe reg.exe PID 772 wrote to memory of 1572 772 cmd.exe reg.exe PID 772 wrote to memory of 1456 772 cmd.exe schtasks.exe PID 772 wrote to memory of 1456 772 cmd.exe schtasks.exe PID 772 wrote to memory of 1456 772 cmd.exe schtasks.exe PID 2764 wrote to memory of 616 2764 PO#BTX18000211.exe cmd.exe PID 2764 wrote to memory of 616 2764 PO#BTX18000211.exe cmd.exe PID 2764 wrote to memory of 616 2764 PO#BTX18000211.exe cmd.exe PID 616 wrote to memory of 1524 616 cmd.exe reg.exe PID 616 wrote to memory of 1524 616 cmd.exe reg.exe PID 616 wrote to memory of 1524 616 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#BTX18000211.exe"C:\Users\Admin\AppData\Local\Temp\PO#BTX18000211.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Windows\SysWOW64\logagent.exeC:\Windows\System32\logagent.exe2⤵PID:3744
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat3⤵
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Windows\SysWOW64\reg.exereg delete hkcu\Environment /v windir /f4⤵
- Modifies registry key
PID:2740 -
C:\Windows\SysWOW64\reg.exereg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "4⤵
- Modifies registry key
PID:1572 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I4⤵PID:1456
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:616 -
C:\Windows\SysWOW64\reg.exereg delete hkcu\Environment /v windir /f3⤵
- Modifies registry key
PID:1524
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Public\Trast.batMD5
4068c9f69fcd8a171c67f81d4a952a54
SHA14d2536a8c28cdcc17465e20d6693fb9e8e713b36
SHA25624222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810
SHA512a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d
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C:\Users\Public\UKO.batMD5
eaf8d967454c3bbddbf2e05a421411f8
SHA16170880409b24de75c2dc3d56a506fbff7f6622c
SHA256f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56
SHA512fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9
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C:\Users\Public\nest.batMD5
8ada51400b7915de2124baaf75e3414c
SHA11a7b9db12184ab7fd7fce1c383f9670a00adb081
SHA25645aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7
SHA5129afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68
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memory/616-130-0x0000000000000000-mapping.dmp
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memory/772-120-0x0000000000000000-mapping.dmp
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memory/976-118-0x0000000000000000-mapping.dmp
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memory/1456-124-0x0000000000000000-mapping.dmp
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memory/1524-132-0x0000000000000000-mapping.dmp
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memory/1572-123-0x0000000000000000-mapping.dmp
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memory/2740-122-0x0000000000000000-mapping.dmp
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memory/2764-115-0x0000000002260000-0x0000000002261000-memory.dmpFilesize
4KB
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memory/2764-116-0x0000000002A01000-0x0000000002A15000-memory.dmpFilesize
80KB
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memory/3744-126-0x0000000003310000-0x0000000003311000-memory.dmpFilesize
4KB
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memory/3744-125-0x0000000003250000-0x0000000003251000-memory.dmpFilesize
4KB
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memory/3744-128-0x0000000074280000-0x00000000742FC000-memory.dmpFilesize
496KB
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memory/3744-127-0x00000000032B0000-0x00000000032B1000-memory.dmpFilesize
4KB
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memory/3744-129-0x0000000000400000-0x0000000000479000-memory.dmpFilesize
484KB
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memory/3744-117-0x0000000000000000-mapping.dmp