Analysis
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max time kernel
141s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
01-11-2023 14:08
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.5346be90e99c5d8579a0efbd28419260.exe
Resource
win7-20231023-en
General
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Target
NEAS.5346be90e99c5d8579a0efbd28419260.exe
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Size
369KB
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MD5
5346be90e99c5d8579a0efbd28419260
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SHA1
6008a18bb59c354f94c5bf466877653ee0823b7e
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SHA256
0c219d4923fa09043a62196ee996282ed3b1583008714e3e6e2764c1cb9bab39
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SHA512
86c8ab8f43341090551bc0be5112dc794529e4f678212eb78901ba0c93455b9492b18a408381698aff262a74946ad37df0d46c53e2e81effe9bab8d9ecf52ed5
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SSDEEP
6144:FOTeHI8HiL7+f57HIeqoz5XdUP3K/JZl5qQ/AmNCbidtRtJyOHs7:MeoGiLa2EUP3WlUQbC2dpHs7
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1736 NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe -
Loads dropped DLL 6 IoCs
pid Process 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 1736 NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 1736 NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe -
resource yara_rule behavioral1/memory/1736-12-0x0000000000400000-0x0000000000431000-memory.dmp upx behavioral1/memory/3044-14-0x0000000000400000-0x0000000000460000-memory.dmp upx behavioral1/memory/1736-31-0x0000000000400000-0x0000000000431000-memory.dmp upx behavioral1/memory/3044-33-0x0000000000400000-0x0000000000460000-memory.dmp upx -
Program crash 2 IoCs
pid pid_target Process procid_target 2696 3044 WerFault.exe 27 2712 1736 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3044 wrote to memory of 1736 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 28 PID 3044 wrote to memory of 1736 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 28 PID 3044 wrote to memory of 1736 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 28 PID 3044 wrote to memory of 1736 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 28 PID 3044 wrote to memory of 2696 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 29 PID 3044 wrote to memory of 2696 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 29 PID 3044 wrote to memory of 2696 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 29 PID 3044 wrote to memory of 2696 3044 NEAS.5346be90e99c5d8579a0efbd28419260.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260mgr.exeC:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1736 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 1803⤵
- Program crash
PID:2712
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1762⤵
- Program crash
PID:2696
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
183KB
MD540633681066127b575fccd6cf223772e
SHA15871ea626980c9561bea5aaf538bd36df4f9bedb
SHA2560011e81710b503f33f820d6e69e233f520bfb4e1641389623b2a03e44d4eedf4
SHA512a49a3862ad954c34b098d7e2e684e8a86ec8945b3bfd48926ec64ab3b566b3429b4990f77b7a60fecc6d85b2747adb4c8e48a8eea34875ecb336bfe518a1561c
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Filesize
183KB
MD540633681066127b575fccd6cf223772e
SHA15871ea626980c9561bea5aaf538bd36df4f9bedb
SHA2560011e81710b503f33f820d6e69e233f520bfb4e1641389623b2a03e44d4eedf4
SHA512a49a3862ad954c34b098d7e2e684e8a86ec8945b3bfd48926ec64ab3b566b3429b4990f77b7a60fecc6d85b2747adb4c8e48a8eea34875ecb336bfe518a1561c
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Filesize
183KB
MD540633681066127b575fccd6cf223772e
SHA15871ea626980c9561bea5aaf538bd36df4f9bedb
SHA2560011e81710b503f33f820d6e69e233f520bfb4e1641389623b2a03e44d4eedf4
SHA512a49a3862ad954c34b098d7e2e684e8a86ec8945b3bfd48926ec64ab3b566b3429b4990f77b7a60fecc6d85b2747adb4c8e48a8eea34875ecb336bfe518a1561c
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Filesize
183KB
MD540633681066127b575fccd6cf223772e
SHA15871ea626980c9561bea5aaf538bd36df4f9bedb
SHA2560011e81710b503f33f820d6e69e233f520bfb4e1641389623b2a03e44d4eedf4
SHA512a49a3862ad954c34b098d7e2e684e8a86ec8945b3bfd48926ec64ab3b566b3429b4990f77b7a60fecc6d85b2747adb4c8e48a8eea34875ecb336bfe518a1561c
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94