Overview
overview
7Static
static
3VirusShare...b1.exe
windows7-x64
7VirusShare...b1.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3ffMediaWat...ion.js
windows7-x64
1ffMediaWat...ion.js
windows10-2004-x64
1ff/chrome/...721.js
windows7-x64
1ff/chrome/...721.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...21.dll
windows7-x64
6ie/MediaWa...21.dll
windows10-2004-x64
6uninstall.exe
windows7-x64
7uninstall.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3Analysis
-
max time kernel
120s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 16:16
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_909e8c66ce11649ae9e2564bfd6069b1.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_909e8c66ce11649ae9e2564bfd6069b1.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home1721chaction.js
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home1721chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home1721.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home1721.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home1721ffaction.js
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home1721ffaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home1721.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home1721.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
General
-
Target
uninstall.exe
-
Size
285KB
-
MD5
124a5e439283e44bfa8a5d04c67bf7ee
-
SHA1
a39b9ccd9697d7dd180f70b715ab360715f37692
-
SHA256
bcd3578237b892fffff7cce754fdc2c2073df8b691ab3c6d9fb6431e5fd9e515
-
SHA512
da9794e7de4409304acd974e52533e9c8cc97c615a9ea5bb351255bb6108520bb4022656173b601537a2a613a98c366e65dd6498201c5cfe2f7b0137f4f65be2
-
SSDEEP
6144:Ee347VpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1b:6jeZHkwuPikQ7lKH5p5H9x1b
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2460 Au_.exe -
Loads dropped DLL 2 IoCs
pid Process 3016 uninstall.exe 2460 Au_.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
NSIS installer 2 IoCs
resource yara_rule behavioral13/files/0x0009000000012266-2.dat nsis_installer_1 behavioral13/files/0x0009000000012266-2.dat nsis_installer_2 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3016 wrote to memory of 2460 3016 uninstall.exe 28 PID 3016 wrote to memory of 2460 3016 uninstall.exe 28 PID 3016 wrote to memory of 2460 3016 uninstall.exe 28 PID 3016 wrote to memory of 2460 3016 uninstall.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninstall.exe"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2460
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
559KB
MD551ba1095f0ae45a2d444bea506cb9ad4
SHA1038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA256b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
SHA512f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361
-
Filesize
285KB
MD5124a5e439283e44bfa8a5d04c67bf7ee
SHA1a39b9ccd9697d7dd180f70b715ab360715f37692
SHA256bcd3578237b892fffff7cce754fdc2c2073df8b691ab3c6d9fb6431e5fd9e515
SHA512da9794e7de4409304acd974e52533e9c8cc97c615a9ea5bb351255bb6108520bb4022656173b601537a2a613a98c366e65dd6498201c5cfe2f7b0137f4f65be2