Overview
overview
7Static
static
3SimpleTex ....7.exe
windows7-x64
7SimpleTex ....7.exe
windows10-2004-x64
$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3LICENSES.c...m.html
windows7-x64
3LICENSES.c...m.html
windows10-2004-x64
1SimpleTex.exe
windows10-2004-x64
7d3dcompiler_47.dll
windows10-2004-x64
1ffmpeg.dll
windows10-2004-x64
1libEGL.dll
windows10-2004-x64
1libGLESv2.dll
windows10-2004-x64
1resources/app.js
windows7-x64
3resources/app.js
windows10-2004-x64
3resources/elevate.exe
windows7-x64
3resources/elevate.exe
windows10-2004-x64
3vk_swiftshader.dll
windows10-2004-x64
1vulkan-1.dll
windows10-2004-x64
1$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows7-x64
3$PLUGINSDI...7z.dll
windows10-2004-x64
3Uninstall ...ex.exe
windows7-x64
7Analysis
-
max time kernel
151s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08/09/2024, 04:52
Static task
static1
Behavioral task
behavioral1
Sample
SimpleTex Setup 0.2.7.exe
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral2
Sample
SimpleTex Setup 0.2.7.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
windows7-x64
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral10
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
LICENSES.chromium.html
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral12
Sample
LICENSES.chromium.html
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
SimpleTex.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral14
Sample
d3dcompiler_47.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
ffmpeg.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral16
Sample
libEGL.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral17
Sample
libGLESv2.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral18
Sample
resources/app.js
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral19
Sample
resources/app.js
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral20
Sample
resources/elevate.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral21
Sample
resources/elevate.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral22
Sample
vk_swiftshader.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral23
Sample
vulkan-1.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral25
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral26
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral27
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral28
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral29
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral30
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral31
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral32
Sample
Uninstall SimpleTex.exe
Resource
win7-20240704-en
windows7-x64
General
-
Target
SimpleTex.exe
-
Size
168.8MB
-
MD5
1a8fdf672175025a0a33e481f754586e
-
SHA1
1cc3cd36cf8047176ddf61159987b46cdcc52dce
-
SHA256
23e13acbfedfb3a805e24e7d2ca509a1ee165cb840807de72f72728e07aeeda0
-
SHA512
dc2102d043c16b37f7031bccf3eef0d095496c97f77d5ad4d49618a4d815c85a8445369156b58d7ed6edd8bcf46f70e74fd5f89a38502f4fb141ec85105be441
-
SSDEEP
1572864:+GHpWefUs6Y3LotWNMaYSSDirblLrg8rw8lKp6/NmnMju+Br3C1YmKUpK+WjGyO2:MesySGSyOa3
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation SimpleTex.exe Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation SimpleTex.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 756 SimpleTex.exe 756 SimpleTex.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe Token: SeShutdownPrivilege 1092 SimpleTex.exe Token: SeCreatePagefilePrivilege 1092 SimpleTex.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 1092 SimpleTex.exe 1092 SimpleTex.exe 1092 SimpleTex.exe 1092 SimpleTex.exe 1092 SimpleTex.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1092 SimpleTex.exe 1092 SimpleTex.exe 1092 SimpleTex.exe 1092 SimpleTex.exe 1092 SimpleTex.exe 1092 SimpleTex.exe 1092 SimpleTex.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 1092 wrote to memory of 3976 1092 SimpleTex.exe 88 PID 1092 wrote to memory of 3976 1092 SimpleTex.exe 88 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 2980 1092 SimpleTex.exe 89 PID 1092 wrote to memory of 3668 1092 SimpleTex.exe 90 PID 1092 wrote to memory of 3668 1092 SimpleTex.exe 90 PID 1092 wrote to memory of 440 1092 SimpleTex.exe 91 PID 1092 wrote to memory of 440 1092 SimpleTex.exe 91 PID 1092 wrote to memory of 756 1092 SimpleTex.exe 97 PID 1092 wrote to memory of 756 1092 SimpleTex.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe"C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Users\Admin\AppData\Local\Temp\SimpleTex.exeC:\Users\Admin\AppData\Local\Temp\SimpleTex.exe --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\SimpleTex /prefetch:4 --no-rate-limit --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\SimpleTex\Crashpad --annotation=_productName=SimpleTex --annotation=_version=0.2.7 --annotation=plat=Win64 --annotation=prod=Electron --annotation=ver=30.0.5 --initial-client-data=0x460,0x464,0x468,0x458,0x46c,0x7ff60b6e1e58,0x7ff60b6e1e64,0x7ff60b6e1e702⤵PID:3976
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C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe"C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\SimpleTex" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1744,i,16178645196977156990,4373205634051863449,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1736 /prefetch:22⤵PID:2980
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C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe"C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\SimpleTex" --standard-schemes=app --secure-schemes=app --field-trial-handle=2092,i,16178645196977156990,4373205634051863449,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2088 /prefetch:32⤵PID:3668
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C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe"C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\SimpleTex" --standard-schemes=app --secure-schemes=app --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --field-trial-handle=2412,i,16178645196977156990,4373205634051863449,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2408 /prefetch:12⤵
- Checks computer location settings
PID:440
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C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe"C:\Users\Admin\AppData\Local\Temp\SimpleTex.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\SimpleTex" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=3356,i,16178645196977156990,4373205634051863449,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=3364 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:756
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
496B
MD5a635886e62f70d060e09c0d7dc6119c2
SHA1ec1fc16abdfe1b834e98c746bb7cb61002e61de0
SHA256fd5e7a169e92d68026dd8c8f2f9a848aa75507237e9f85ae2efd20c61ab3d2b9
SHA512070674d504e71b2ce6a0602e405f0fdcd785a219d9cf17b89f0f46d6e4aeb8f4d1b4cf2a052115b3db7f35b5167cf4bfc0267528468638fb996e80f3557f0c88
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Filesize
59B
MD52800881c775077e1c4b6e06bf4676de4
SHA12873631068c8b3b9495638c865915be822442c8b
SHA256226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
SHA512e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b