Analysis
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max time kernel
299s -
max time network
299s -
platform
windows10_x64 -
resource
win10-en -
submitted
13-09-2021 16:40
Static task
static1
Behavioral task
behavioral1
Sample
UBHSXNUQ.EXE
Resource
win7-en
Behavioral task
behavioral2
Sample
UBHSXNUQ.EXE
Resource
win10-en
General
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Target
UBHSXNUQ.EXE
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Size
835KB
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MD5
bdd5bed3e1df79003329e61a16040535
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SHA1
d197c51c4174ca8e6dc1824d51b3af3a617f0ee3
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SHA256
e506b889ba308697f0a32ef807b7fb3c52ef2d8a97d074ffd9d6920731d99770
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SHA512
3001016ca703295aeea5523e4624395981acad9cb36dc0df5c604cc65308db6e99c412c467d1fe68d48733b1c81ca6bd7654917a0116fb0228f57494ecf34d81
Malware Config
Signatures
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BitRAT Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3860-127-0x0000000010410000-0x00000000107F4000-memory.dmp family_bitrat -
Processes:
resource yara_rule behavioral2/memory/3860-127-0x0000000010410000-0x00000000107F4000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
UBHSXNUQ.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ubhsxnuq = "C:\\Users\\Public\\Libraries\\qunxshbU.url" UBHSXNUQ.EXE -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
secinit.exepid process 3860 secinit.exe 3860 secinit.exe 3860 secinit.exe 3860 secinit.exe 3860 secinit.exe -
Modifies registry key 1 TTPs 3 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
secinit.exedescription pid process Token: SeShutdownPrivilege 3860 secinit.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
secinit.exepid process 3860 secinit.exe 3860 secinit.exe -
Suspicious use of WriteProcessMemory 44 IoCs
Processes:
UBHSXNUQ.EXEcmd.execmd.execmd.exedescription pid process target process PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 3860 3996 UBHSXNUQ.EXE secinit.exe PID 3996 wrote to memory of 2744 3996 UBHSXNUQ.EXE cmd.exe PID 3996 wrote to memory of 2744 3996 UBHSXNUQ.EXE cmd.exe PID 3996 wrote to memory of 2744 3996 UBHSXNUQ.EXE cmd.exe PID 2744 wrote to memory of 980 2744 cmd.exe cmd.exe PID 2744 wrote to memory of 980 2744 cmd.exe cmd.exe PID 2744 wrote to memory of 980 2744 cmd.exe cmd.exe PID 980 wrote to memory of 3268 980 cmd.exe reg.exe PID 980 wrote to memory of 3268 980 cmd.exe reg.exe PID 980 wrote to memory of 3268 980 cmd.exe reg.exe PID 980 wrote to memory of 3948 980 cmd.exe reg.exe PID 980 wrote to memory of 3948 980 cmd.exe reg.exe PID 980 wrote to memory of 3948 980 cmd.exe reg.exe PID 980 wrote to memory of 516 980 cmd.exe schtasks.exe PID 980 wrote to memory of 516 980 cmd.exe schtasks.exe PID 980 wrote to memory of 516 980 cmd.exe schtasks.exe PID 3996 wrote to memory of 404 3996 UBHSXNUQ.EXE cmd.exe PID 3996 wrote to memory of 404 3996 UBHSXNUQ.EXE cmd.exe PID 3996 wrote to memory of 404 3996 UBHSXNUQ.EXE cmd.exe PID 404 wrote to memory of 1132 404 cmd.exe reg.exe PID 404 wrote to memory of 1132 404 cmd.exe reg.exe PID 404 wrote to memory of 1132 404 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\UBHSXNUQ.EXE"C:\Users\Admin\AppData\Local\Temp\UBHSXNUQ.EXE"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\secinit.exeC:\Windows\System32\secinit.exe2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg delete hkcu\Environment /v windir /f4⤵
- Modifies registry key
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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
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg delete hkcu\Environment /v windir /f3⤵
- Modifies registry key
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
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/404-128-0x0000000000000000-mapping.dmp
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memory/516-123-0x0000000000000000-mapping.dmp
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memory/980-119-0x0000000000000000-mapping.dmp
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memory/1132-130-0x0000000000000000-mapping.dmp
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memory/2744-117-0x0000000000000000-mapping.dmp
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memory/3268-121-0x0000000000000000-mapping.dmp
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memory/3860-124-0x00000000026D0000-0x00000000026D1000-memory.dmpFilesize
4KB
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memory/3860-125-0x00000000023F0000-0x00000000023F1000-memory.dmpFilesize
4KB
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memory/3860-126-0x00000000028E0000-0x00000000028E1000-memory.dmpFilesize
4KB
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memory/3860-127-0x0000000010410000-0x00000000107F4000-memory.dmpFilesize
3.9MB
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memory/3860-116-0x0000000000000000-mapping.dmp
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memory/3948-122-0x0000000000000000-mapping.dmp
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memory/3996-115-0x0000000000620000-0x000000000076A000-memory.dmpFilesize
1.3MB