Analysis
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max time kernel
138s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 09:00
Static task
static1
Behavioral task
behavioral1
Sample
183bdf48a8a9d53bfc8b311739377670_NEAS.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
183bdf48a8a9d53bfc8b311739377670_NEAS.exe
Resource
win10v2004-20240426-en
General
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Target
183bdf48a8a9d53bfc8b311739377670_NEAS.exe
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Size
591KB
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MD5
183bdf48a8a9d53bfc8b311739377670
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SHA1
62c40790873bf0833613136eb54949b5c0d62458
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SHA256
6f11a9a21940da807d5680298539503bf1829ec96dda1355ffb719b2f631bcde
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SHA512
e2212c3d27cf2704678db65923c13e81501bbcafe83388ba67f57eb124551aa82709ca9b9565cc4842aefa184aff58fd11255d506e8085e89233a7d551821fdc
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SSDEEP
12288:VGbZFT9o+WkcS9SQcCyfi0npM4dl0v5Jdm5IpXt1Up0:UT97jD9QCyfiEM4dmv5BJtOp0
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4116 183bdf48a8a9d53bfc8b311739377670_NEAS.exe -
Executes dropped EXE 1 IoCs
pid Process 4116 183bdf48a8a9d53bfc8b311739377670_NEAS.exe -
Program crash 6 IoCs
pid pid_target Process procid_target 4880 2116 WerFault.exe 81 3120 4116 WerFault.exe 88 4048 4116 WerFault.exe 88 664 4116 WerFault.exe 88 3032 4116 WerFault.exe 88 4368 4116 WerFault.exe 88 -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2116 183bdf48a8a9d53bfc8b311739377670_NEAS.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 4116 183bdf48a8a9d53bfc8b311739377670_NEAS.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2116 wrote to memory of 4116 2116 183bdf48a8a9d53bfc8b311739377670_NEAS.exe 88 PID 2116 wrote to memory of 4116 2116 183bdf48a8a9d53bfc8b311739377670_NEAS.exe 88 PID 2116 wrote to memory of 4116 2116 183bdf48a8a9d53bfc8b311739377670_NEAS.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 3842⤵
- Program crash
PID:4880
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C:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exeC:\Users\Admin\AppData\Local\Temp\183bdf48a8a9d53bfc8b311739377670_NEAS.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:4116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 3523⤵
- Program crash
PID:3120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 7723⤵
- Program crash
PID:4048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 7763⤵
- Program crash
PID:664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 7963⤵
- Program crash
PID:3032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 7803⤵
- Program crash
PID:4368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2116 -ip 21161⤵PID:2948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4116 -ip 41161⤵PID:1816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4116 -ip 41161⤵PID:1380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4116 -ip 41161⤵PID:2756
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4116 -ip 41161⤵PID:1532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4116 -ip 41161⤵PID:3780
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
591KB
MD51567b5eb96779b25a2f80f21981241c0
SHA10969ebe6b0047607f2bc8779e14914f8145d2ef7
SHA2560e8220d7a1d9b6c0bed09dc3986d1da994a75c2949fe06fc7ae412b28be33055
SHA512ca4ab6b6e67b708960ca412d12ab2c28a8be2d98d66414d432cc279c2735f2b54730b1a0ec76a2aa08b91d05f912a328988a82735abebef5629be092b26f6eb9