Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-06-2024 04:18
Static task
static1
Behavioral task
behavioral1
Sample
7z.dll
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
7z.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
7z.exe
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
7z.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
7zFM.exe
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
7zFM.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
7zG.exe
Resource
win7-20231129-en
General
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Target
7z.exe
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Size
304KB
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MD5
1ea7a136aedf83578260d41230605abc
-
SHA1
6d352f6dc1457b32f00b4e8a2fbd3c4ec4d80f15
-
SHA256
16149a94a7c48ebec9f70e8eca7cebefdfb87651498069373865fbf7cbecf473
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SHA512
047ea78c67dff46d502057132122b8ad16266f0b2cd884b3de6d845ab9b75e31292a0b3357a35311ea3f84e9510713d58a512485b843718e8fb68aab51b91b0b
-
SSDEEP
6144:ekCMndv8WiYZH5A8sGw367Y+S4CPaBQV1Xh+s8Ju8h9ZL5UvS:ehMJTdZHm8sGmaWV1/8Juw9ZL5UvS
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 1484 7zmgr.exe -
Loads dropped DLL 1 IoCs
pid Process 1484 7zmgr.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4992 1484 WerFault.exe 81 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3628 wrote to memory of 1484 3628 7z.exe 81 PID 3628 wrote to memory of 1484 3628 7z.exe 81 PID 3628 wrote to memory of 1484 3628 7z.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\7z.exe"C:\Users\Admin\AppData\Local\Temp\7z.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Users\Admin\AppData\Local\Temp\7zmgr.exeC:\Users\Admin\AppData\Local\Temp\7zmgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1484 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 2723⤵
- Program crash
PID:4992
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1484 -ip 14841⤵PID:3872
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
142KB
MD5303f491b9fc879064b210cb0b865d178
SHA15cbdc35fb45bd3fb5ac62950ec22443a4179203c
SHA25615f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86
SHA51296c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219