Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-06-2024 03:42
Behavioral task
behavioral1
Sample
7zFMmgr.exe
Resource
win7-20240221-en
General
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Target
7zFMmgr.exe
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Size
286KB
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MD5
ae7fe5d1c0c635496c2729eba26355e0
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SHA1
4b4c8a79fbd911904ebfa0b26915f588b3a8b49a
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SHA256
b393d21a034f5cac91bcb63d6132d72f6edea162b7c919297c9d39e5b1ce42d8
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SHA512
06dece29658f5fb90bbf953aab89696b986efd9d4f93ae32672bd59235e3328b68bd3e2974eda07900295cc751c7f61e08b7d9ed50949b7be14d293797772a4d
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SSDEEP
6144:uAcCIWiyr7JHn17lTBl3+ocmQ1t274+dTc:uAQK7517lT33c1t274+dTc
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2128 7zFMmgrmgr.exe -
Loads dropped DLL 5 IoCs
pid Process 2180 7zFMmgr.exe 2180 7zFMmgr.exe 2128 7zFMmgrmgr.exe 2180 7zFMmgr.exe 2128 7zFMmgrmgr.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2820 2180 WerFault.exe 27 2528 2128 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2128 2180 7zFMmgr.exe 28 PID 2180 wrote to memory of 2128 2180 7zFMmgr.exe 28 PID 2180 wrote to memory of 2128 2180 7zFMmgr.exe 28 PID 2180 wrote to memory of 2128 2180 7zFMmgr.exe 28 PID 2180 wrote to memory of 2820 2180 7zFMmgr.exe 29 PID 2180 wrote to memory of 2820 2180 7zFMmgr.exe 29 PID 2180 wrote to memory of 2820 2180 7zFMmgr.exe 29 PID 2180 wrote to memory of 2820 2180 7zFMmgr.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe"C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exeC:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2128 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 963⤵
- Program crash
PID:2528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 962⤵
- Program crash
PID:2820
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
142KB
MD5303f491b9fc879064b210cb0b865d178
SHA15cbdc35fb45bd3fb5ac62950ec22443a4179203c
SHA25615f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86
SHA51296c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94