Overview
overview
10Static
static
748c616cbb1...9e.exe
windows7-x64
748c616cbb1...9e.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$SYSDIR/gpyapi.dll
windows7-x64
3$SYSDIR/gpyapi.dll
windows10-2004-x64
3$SYSDIR/gtapi.dll
windows7-x64
3$SYSDIR/gtapi.dll
windows10-2004-x64
3$TEMP/Goog...er.exe
windows7-x64
8$TEMP/Goog...er.exe
windows10-2004-x64
$TEMP/Goog...ed.msi
windows7-x64
6$TEMP/Goog...ed.msi
windows10-2004-x64
6$TEMP/setu...20.exe
windows7-x64
7$TEMP/setu...20.exe
windows10-2004-x64
7ies_uni.exe
windows7-x64
7ies_uni.exe
windows10-2004-x64
7iesuper.dll
windows7-x64
6iesuper.dll
windows10-2004-x64
6UUPlayer.dll
windows7-x64
3UUPlayer.dll
windows10-2004-x64
3UUSeePlayer.exe
windows7-x64
10UUSeePlayer.exe
windows10-2004-x64
10bass-plugins.exe
windows7-x64
7bass-plugins.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3Analysis
-
max time kernel
31s -
max time network
40s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-08-2024 06:51
Behavioral task
behavioral1
Sample
48c616cbb15b33f9f8001ae8074e8f68657f604bb20b923ddb6722f752427a9e.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
48c616cbb15b33f9f8001ae8074e8f68657f604bb20b923ddb6722f752427a9e.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$SYSDIR/gpyapi.dll
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
$SYSDIR/gpyapi.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$SYSDIR/gtapi.dll
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
$SYSDIR/gtapi.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
$TEMP/GooglePinyinDownloader.exe
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
$TEMP/GooglePinyinDownloader.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
$TEMP/GoogleToolbarInstaller_zh-CN_signed.msi
Resource
win7-20240704-en
Behavioral task
behavioral16
Sample
$TEMP/GoogleToolbarInstaller_zh-CN_signed.msi
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
$TEMP/setup_iesuper_1020.exe
Resource
win7-20240705-en
Behavioral task
behavioral18
Sample
$TEMP/setup_iesuper_1020.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
ies_uni.exe
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
ies_uni.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
iesuper.dll
Resource
win7-20240705-en
Behavioral task
behavioral22
Sample
iesuper.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
UUPlayer.dll
Resource
win7-20240704-en
Behavioral task
behavioral24
Sample
UUPlayer.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
UUSeePlayer.exe
Resource
win7-20240704-en
Behavioral task
behavioral26
Sample
UUSeePlayer.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
bass-plugins.exe
Resource
win7-20240704-en
Behavioral task
behavioral28
Sample
bass-plugins.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240705-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20240708-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20240802-en
Errors
General
-
Target
$TEMP/GooglePinyinDownloader.exe
-
Size
77KB
-
MD5
1465ec3df8e8ab31f89fa32bcfaf07da
-
SHA1
73a36f944fbe18a2b3308e790e1948db8a811ce1
-
SHA256
e3c8772f34c183545cd6d643e8c1b28aeea0abdfb4ebd02b167363fb31195106
-
SHA512
911276cbad2f32acd34af6c71e1cbd7c6204a4f0aad93a30fb1104d82469e620de878f292ffc406a8e8f8ce05dfe315e496844e8720b3cd74762163f6d7eb25d
-
SSDEEP
1536:afppeVwsNT+W7Nv1KDMQ0jwg+rZGjvBtulY3ha:a+XwghQBNIZtulYk
Malware Config
Signatures
-
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation GooglePinyinDownloader.exe -
Executes dropped EXE 1 IoCs
pid Process 3416 GooglePinyinInstaller.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GooglePinyinInstaller.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GooglePinyinDownloader.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3044 wrote to memory of 3416 3044 GooglePinyinDownloader.exe 90 PID 3044 wrote to memory of 3416 3044 GooglePinyinDownloader.exe 90 PID 3044 wrote to memory of 3416 3044 GooglePinyinDownloader.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\$TEMP\GooglePinyinDownloader.exe"C:\Users\Admin\AppData\Local\Temp\$TEMP\GooglePinyinDownloader.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Users\Admin\AppData\Local\Temp\GPY7DEA.tmp\GooglePinyinInstaller.exe"C:\Users\Admin\AppData\Local\Temp\GPY7DEA.tmp\GooglePinyinInstaller.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3416
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
11.5MB
MD550cf3f4ed3126a199d076642a87fba62
SHA1bdd8692bb9feeb95027f0d8cf7d327c5cafac6a0
SHA2569208f88499d650854f1c3392d8e5e71e139ef93e99e1013c37753690a78fae2a
SHA512e5e83fdb1c3ac9e30f008a1490c6d857ed82d3f56a667deb61cdb96e6d53155a345db031b63cf10666b4644b2bcb032c332b8adbf357088cef1e94db4f63e9d7