Overview
overview
10Static
static
3TidyMe.exe
windows7-x64
7TidyMe.exe
windows10-2004-x64
10$PLUGINSDI...er.dll
windows7-x64
1$PLUGINSDI...er.dll
windows10-2004-x64
1$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/app-64.7z
windows7-x64
3$PLUGINSDIR/app-64.7z
windows10-2004-x64
3LICENSE.electron.txt
windows7-x64
1LICENSE.electron.txt
windows10-2004-x64
1LICENSES.c...m.html
windows7-x64
1LICENSES.c...m.html
windows10-2004-x64
1TidyMe.exe
windows7-x64
7TidyMe.exe
windows10-2004-x64
7chrome_100...nt.pak
windows7-x64
3chrome_100...nt.pak
windows10-2004-x64
3chrome_200...nt.pak
windows7-x64
3chrome_200...nt.pak
windows10-2004-x64
3d3dcompiler_47.dll
windows10-2004-x64
1ffmpeg.dll
windows7-x64
1ffmpeg.dll
windows10-2004-x64
1icudtl.dat
windows7-x64
3icudtl.dat
windows10-2004-x64
3libEGL.dll
windows7-x64
1libEGL.dll
windows10-2004-x64
1libGLESv2.dll
windows7-x64
1libGLESv2.dll
windows10-2004-x64
1locales/af.pak
windows7-x64
3locales/af.pak
windows10-2004-x64
3locales/am.pak
windows7-x64
3Analysis
-
max time kernel
103s -
max time network
27s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
08-07-2024 11:24
Static task
static1
Behavioral task
behavioral1
Sample
TidyMe.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
TidyMe.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/app-64.7z
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/app-64.7z
Resource
win10v2004-20240704-en
Behavioral task
behavioral11
Sample
LICENSE.electron.txt
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
LICENSE.electron.txt
Resource
win10v2004-20240704-en
Behavioral task
behavioral13
Sample
LICENSES.chromium.html
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
LICENSES.chromium.html
Resource
win10v2004-20240704-en
Behavioral task
behavioral15
Sample
TidyMe.exe
Resource
win7-20240508-en
Behavioral task
behavioral16
Sample
TidyMe.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral17
Sample
chrome_100_percent.pak
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
chrome_100_percent.pak
Resource
win10v2004-20240704-en
Behavioral task
behavioral19
Sample
chrome_200_percent.pak
Resource
win7-20240705-en
Behavioral task
behavioral20
Sample
chrome_200_percent.pak
Resource
win10v2004-20240704-en
Behavioral task
behavioral21
Sample
d3dcompiler_47.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral22
Sample
ffmpeg.dll
Resource
win7-20240704-en
Behavioral task
behavioral23
Sample
ffmpeg.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral24
Sample
icudtl.dat
Resource
win7-20240705-en
Behavioral task
behavioral25
Sample
icudtl.dat
Resource
win10v2004-20240704-en
Behavioral task
behavioral26
Sample
libEGL.dll
Resource
win7-20240704-en
Behavioral task
behavioral27
Sample
libEGL.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral28
Sample
libGLESv2.dll
Resource
win7-20240704-en
Behavioral task
behavioral29
Sample
libGLESv2.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral30
Sample
locales/af.pak
Resource
win7-20240705-en
Behavioral task
behavioral31
Sample
locales/af.pak
Resource
win10v2004-20240704-en
Behavioral task
behavioral32
Sample
locales/am.pak
Resource
win7-20240704-en
General
-
Target
chrome_100_percent.pak
-
Size
126KB
-
MD5
d31f3439e2a3f7bee4ddd26f46a2b83f
-
SHA1
c5a26f86eb119ae364c5bf707bebed7e871fc214
-
SHA256
9f79f46ca911543ead096a5ee28a34bf1fbe56ec9ba956032a6a2892b254857e
-
SHA512
aa27c97bf5581eb3f5e88f112df8bfb6a5283ce44eb13fbc41855008f84fb5b111dfe0616c310c3642b7f8ac99623d7c217aecc353f54f4d8f7042840099abc5
-
SSDEEP
3072:5KzwqCT4waJL2myFhPNL2o418Gb0+VRLf0ld0GY3cQ39Vm2I:5Kzwt4LwmU3K18Gb0OV8ld0GecQ3f2
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pak\ = "pak_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pak rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pak_auto_file rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2352 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2352 AcroRd32.exe 2352 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2296 wrote to memory of 2816 2296 cmd.exe rundll32.exe PID 2296 wrote to memory of 2816 2296 cmd.exe rundll32.exe PID 2296 wrote to memory of 2816 2296 cmd.exe rundll32.exe PID 2816 wrote to memory of 2352 2816 rundll32.exe AcroRd32.exe PID 2816 wrote to memory of 2352 2816 rundll32.exe AcroRd32.exe PID 2816 wrote to memory of 2352 2816 rundll32.exe AcroRd32.exe PID 2816 wrote to memory of 2352 2816 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEventsFilesize
3KB
MD561af17e630831b0f04c4ed1d3b1bcbfd
SHA147a5fb5f6084b708045a6a4b1c2db784e1145aa4
SHA25658a73978cebf7e24e7614571fc9f63eb0ff66c6ba939803f9aaa3f000060a13f
SHA512cfe412756932528a5419c005094384c1933abc82bdc01cc139a60f88945c66513331cb293a96985d7b86b6598bde2fea8099ca54c90e76564600d2bcc6139f17