Overview
overview
10Static
static
3Libs/Extreme.Net.dll
windows7-x64
1Libs/Extreme.Net.dll
windows10-2004-x64
1Libs/Injecting.dll
windows7-x64
1Libs/Injecting.dll
windows10-2004-x64
1Libs/libEGL.dll
windows7-x64
1Libs/libEGL.dll
windows10-2004-x64
3Libs/libgc...-1.dll
windows7-x64
3Libs/libgc...-1.dll
windows10-2004-x64
3concrt140.dll
windows7-x64
3concrt140.dll
windows10-2004-x64
3cpfe.dll
windows7-x64
3cpfe.dll
windows10-2004-x64
3kopje.rtf
windows7-x64
1kopje.rtf
windows10-2004-x64
1lnstall.exe
windows7-x64
5lnstall.exe
windows10-2004-x64
10msvcp140.dll
windows7-x64
3msvcp140.dll
windows10-2004-x64
3vcruntime140.dll
windows7-x64
3vcruntime140.dll
windows10-2004-x64
3Analysis
-
max time kernel
122s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
14-01-2024 01:15
Static task
static1
Behavioral task
behavioral1
Sample
Libs/Extreme.Net.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Libs/Extreme.Net.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
Libs/Injecting.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
Libs/Injecting.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
Libs/libEGL.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
Libs/libEGL.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
Libs/libgcc_s_dw2-1.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
Libs/libgcc_s_dw2-1.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
concrt140.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
concrt140.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
cpfe.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
cpfe.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
kopje.rtf
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
kopje.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
lnstall.exe
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
lnstall.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
msvcp140.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
msvcp140.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
vcruntime140.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
vcruntime140.dll
Resource
win10v2004-20231215-en
General
-
Target
lnstall.exe
-
Size
1.4MB
-
MD5
38901633c833cba7f682472ced0dbe4b
-
SHA1
0c11a1ac834d2b270ba60f3605109933ca11a7f0
-
SHA256
a5c5487194f761dac90e178c9c1753c0f47b041f3168b5c23a587f33f69e5089
-
SHA512
70d71197c68c9a92883c482aee76978e2a01e785be6fb3b6082369e25d991d3e03d8467e11d87493e54f5a3dc4bcd59fa588f0fabe5f6fdcf3361de95cb471c1
-
SSDEEP
24576:gLikjHtEvSKi9Q8K8Nj99HxJ+EbUUbnI11f4wuTLoYHTkPQ4JD7eK:gukT+SpRKaJb0f4wrCSP
Malware Config
Signatures
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2684 set thread context of 2836 2684 lnstall.exe 29 -
Loads dropped DLL 2 IoCs
pid Process 2836 cmd.exe 2616 updater.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2684 lnstall.exe 2684 lnstall.exe 2836 cmd.exe 2836 cmd.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2684 lnstall.exe 2836 cmd.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2684 wrote to memory of 2836 2684 lnstall.exe 29 PID 2684 wrote to memory of 2836 2684 lnstall.exe 29 PID 2684 wrote to memory of 2836 2684 lnstall.exe 29 PID 2684 wrote to memory of 2836 2684 lnstall.exe 29 PID 2684 wrote to memory of 2836 2684 lnstall.exe 29 PID 2836 wrote to memory of 2616 2836 cmd.exe 31 PID 2836 wrote to memory of 2616 2836 cmd.exe 31 PID 2836 wrote to memory of 2616 2836 cmd.exe 31 PID 2836 wrote to memory of 2616 2836 cmd.exe 31 PID 2836 wrote to memory of 2616 2836 cmd.exe 31 PID 2836 wrote to memory of 2616 2836 cmd.exe 31 PID 2836 wrote to memory of 2616 2836 cmd.exe 31 PID 2836 wrote to memory of 2616 2836 cmd.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\lnstall.exe"C:\Users\Admin\AppData\Local\Temp\lnstall.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Users\Admin\AppData\Local\Temp\updater.exeC:\Users\Admin\AppData\Local\Temp\updater.exe3⤵
- Loads dropped DLL
PID:2616
-
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
2.5MB
MD593422de273b0a4b66434c11311e53c12
SHA14571d58cf5bff78de047c8fd67b2c75383e6a9e1
SHA256f475d7639d503935fa62461cde7d71ac3f4db6434bec4eb3237aba5b06c35ebf
SHA512e6c3f1de318ac7ed3e45ac4550a24753777e058d85b5cb522fded2ee38b81a7f047c0c5eda36edf415244537ceda7ae3130728ac0c804c21a69a8b9da010ce0d
-
Filesize
1.2MB
MD576fa2d81e19922704da81c94a187fed6
SHA1b54d07cded2556aa544dc28a033678309389af98
SHA256c57a6242ec7a796324b218c156586d52e06cf621376d955e6bd8ed5caefa26c9
SHA51277aa53bace7dc39b864581cfdb69125969ddb43671676a3416283d346a328c348a96effa37a9ea39e185f46cb229e728a7bae5cf9cd464cf5e14b08eaccb4cdf