Overview
overview
6Static
static
1drw_trial_...01.exe
windows7-x64
4drw_trial_...01.exe
windows10-2004-x64
6$TEMP/down...er.exe
windows7-x64
1$TEMP/down...er.exe
windows10-2004-x64
1$TEMP/down...ap.dll
windows7-x64
3$TEMP/down...ap.dll
windows10-2004-x64
3$TEMP/down...xe.exe
windows7-x64
1$TEMP/down...xe.exe
windows10-2004-x64
1$TEMP/down...up.exe
windows7-x64
1$TEMP/down...up.exe
windows10-2004-x64
1Analysis
-
max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05-03-2024 07:09
Static task
static1
Behavioral task
behavioral1
Sample
drw_trial_installer.1701.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
drw_trial_installer.1701.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$TEMP/downloader_easeus/2.0.0/2trial/EDownloader.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$TEMP/downloader_easeus/2.0.0/2trial/EDownloader.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$TEMP/downloader_easeus/2.0.0/2trial/aliyun/AliyunWrap.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$TEMP/downloader_easeus/2.0.0/2trial/aliyun/AliyunWrap.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$TEMP/downloader_easeus/2.0.0/2trial/aliyun/AliyunWrapExe.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$TEMP/downloader_easeus/2.0.0/2trial/aliyun/AliyunWrapExe.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$TEMP/downloader_easeus/2.0.0/2trial/aliyun/InfoForSetup.exe
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
$TEMP/downloader_easeus/2.0.0/2trial/aliyun/InfoForSetup.exe
Resource
win10v2004-20240226-en
General
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Target
$TEMP/downloader_easeus/2.0.0/2trial/EDownloader.exe
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Size
1.2MB
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MD5
8a250a75859fe52116e706a640e6d77c
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SHA1
473c36d9d80173636faeeb0ae4ae9e047e4e9d8b
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SHA256
823ab6955052ef34218559b53d4f15224b5a850b532672fa33a7634dc74981dc
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SHA512
4b519b1de8f6647a5cbbda11084d096e8bbfe8f694f4fda0e0f244b477f3f15c143254b044b046302ac79b136377894027d9baa2d4ba67ed38f5a55f480a44b4
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SSDEEP
24576:JisJdAcuXY/WQjkLxNEl5DYjwuoJ039NzO0lQHoR8lOuLkdNoQv:PjYzhQHou8qkboQv
Malware Config
Signatures
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Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
EDownloader.exepid process 1492 EDownloader.exe 1492 EDownloader.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
EDownloader.exeInfoForSetup.exedescription pid process target process PID 1492 wrote to memory of 1612 1492 EDownloader.exe InfoForSetup.exe PID 1492 wrote to memory of 1612 1492 EDownloader.exe InfoForSetup.exe PID 1492 wrote to memory of 1612 1492 EDownloader.exe InfoForSetup.exe PID 1492 wrote to memory of 4472 1492 EDownloader.exe InfoForSetup.exe PID 1492 wrote to memory of 4472 1492 EDownloader.exe InfoForSetup.exe PID 1492 wrote to memory of 4472 1492 EDownloader.exe InfoForSetup.exe PID 4472 wrote to memory of 4924 4472 InfoForSetup.exe AliyunWrapExe.Exe PID 4472 wrote to memory of 4924 4472 InfoForSetup.exe AliyunWrapExe.Exe PID 4472 wrote to memory of 4924 4472 InfoForSetup.exe AliyunWrapExe.Exe
Processes
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C:\Users\Admin\AppData\Local\Temp\$TEMP\downloader_easeus\2.0.0\2trial\EDownloader.exe"C:\Users\Admin\AppData\Local\Temp\$TEMP\downloader_easeus\2.0.0\2trial\EDownloader.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Users\Admin\AppData\Local\Temp\$TEMP\downloader_easeus\2.0.0\2trial\aliyun\InfoForSetup.exe/Uid "S-1-5-21-609813121-2907144057-1731107329-1000"2⤵PID:1612
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C:\Users\Admin\AppData\Local\Temp\$TEMP\downloader_easeus\2.0.0\2trial\aliyun\InfoForSetup.exe/SendInfo Window "Web_Installer" Activity "Result_Run_Installer" Attribute "{\"Country\":\"United States\",\"Pageid\":\"\",\"Timezone\":\"GMT-00:00\"}"2⤵
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Users\Admin\AppData\Local\Temp\$TEMP\downloader_easeus\2.0.0\2trial\aliyun\AliyunWrapExe.ExeC:\Users\Admin\AppData\Local\Temp\$TEMP\downloader_easeus\2.0.0\2trial\aliyun\AliyunWrapExe.Exe3⤵PID:4924
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1KB
MD5f5fc47f667530d7aa5b482e0f275d683
SHA1ed51531fd42f21df8f4324ff267586319d07416c
SHA25649ae0a2603c3732b28109543b3513e90d3d998b106e5a5f9082c398814988a15
SHA512e78f2d8feb5d81344d5cecd7f1734b3342af7bbc6ea371c8113d16fa324d9504d3f0c48246376ead986c8d64dc2c4aaed1a57c43e7cc6760eba7cc61d4793169
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Filesize
554B
MD56ab69f33c8b7a21fe352dbf762e3c104
SHA10f236c0d55070c41439deb98069dc44887ebb6fd
SHA2566f137853ca4bbe02fdf9679921cef8eede9c0b1ac94b67c2a2be12418cb7a3e8
SHA51213376675ff7566961823fb2f4de348cbec64b0b5e49133f81a8b3875a95156dc600bb0d13a7913502dfd18c1c2ebe85d84d765e8d44d708d9afabd21a048684f
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Filesize
88B
MD57f411750d07619f38537e7fd612b8b44
SHA1cda241a1ce5141288582c8f0ac4850992b427bdc
SHA256ae89726af2bd0c0218fbf63af20d4464f44dced5156364d817b6e73afc8e9f87
SHA51235dad46325060004a66e01e10af6a3ebfd94b6751347b6ec64840c4ec03d81480fc324494ea39dded03bf2f1a1ce352b15ab518d14214c15567af17fb32f16b8
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99