Overview
overview
7Static
static
3VirusShare...b5.exe
windows7-x64
7VirusShare...b5.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/...393.js
windows7-x64
1ff/chrome/...393.js
windows10-2004-x64
1ff/chrome/...ion.js
windows7-x64
1ff/chrome/...ion.js
windows10-2004-x64
1ie/MediaWa...93.dll
windows7-x64
6ie/MediaWa...93.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
132s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 16:18
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_7eefa384bb45f1c587a6c0b9efdd25b5.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
VirusShare_7eefa384bb45f1c587a6c0b9efdd25b5.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home2393chaction.js
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home2393chaction.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home2393.js
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home2393.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home2393ffaction.js
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home2393ffaction.js
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home2393.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home2393.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20231215-en
General
-
Target
uninstall.exe
-
Size
285KB
-
MD5
ac26380795ae1a3410ddc372487c88d6
-
SHA1
4cdb5ee8f25fab513f1f4cf6004653b4961565ab
-
SHA256
440b458e52ef5af7e2c3447de9a3d2ed3b81b66b131faa4e5cfd9c6ada02e3ee
-
SHA512
27b549f171094519cd6dcc084fdd0a1d9fc01e192198d62fa27bf50ae6d2443168bf218e8634f129b779419ac8fc4928346b440e1149715ef274b2f62c3544da
-
SSDEEP
6144:Ee34JMpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1p:8QeZHkwuPikQ7lKH5p5H9x1p
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2208 Au_.exe -
Loads dropped DLL 2 IoCs
pid Process 1616 uninstall.exe 2208 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/0x0009000000015e9f-2.dat nsis_installer_1 behavioral13/files/0x0009000000015e9f-2.dat nsis_installer_2 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1616 wrote to memory of 2208 1616 uninstall.exe 27 PID 1616 wrote to memory of 2208 1616 uninstall.exe 27 PID 1616 wrote to memory of 2208 1616 uninstall.exe 27 PID 1616 wrote to memory of 2208 1616 uninstall.exe 27
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:1616 -
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:2208
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
559KB
MD551ba1095f0ae45a2d444bea506cb9ad4
SHA1038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA256b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
SHA512f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361
-
Filesize
285KB
MD5ac26380795ae1a3410ddc372487c88d6
SHA14cdb5ee8f25fab513f1f4cf6004653b4961565ab
SHA256440b458e52ef5af7e2c3447de9a3d2ed3b81b66b131faa4e5cfd9c6ada02e3ee
SHA51227b549f171094519cd6dcc084fdd0a1d9fc01e192198d62fa27bf50ae6d2443168bf218e8634f129b779419ac8fc4928346b440e1149715ef274b2f62c3544da