Overview
overview
7Static
static
3ZoomInfoCo...or.exe
windows7-x64
7ZoomInfoCo...or.exe
windows10-2004-x64
7$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows7-x64
3$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...nz.dll
windows7-x64
3$PLUGINSDI...nz.dll
windows10-2004-x64
3$TEMP/unin...fc.exe
windows7-x64
7$TEMP/unin...fc.exe
windows10-2004-x64
7Analysis
-
max time kernel
90s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/02/2024, 06:44
Static task
static1
Behavioral task
behavioral1
Sample
ZoomInfoContactContributor.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
ZoomInfoContactContributor.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win7-20240215-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
$TEMP/uninstall_fc.exe
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$TEMP/uninstall_fc.exe
Resource
win10v2004-20231215-en
General
-
Target
$TEMP/uninstall_fc.exe
-
Size
59KB
-
MD5
9b5a8a1e1a13cb6f5d344cf5f92866f9
-
SHA1
db6e74fa5b1abbd8a412e21b437d03d173617bf9
-
SHA256
9c3e4cbf323170eaf1d82a59496557f8013b65d0853bb05b7c054f0d5d856889
-
SHA512
2dfc4dae9f743831e2e67861e5cd5a118a967fdba9b0c2655e9e71614fa76762b3fcc175feb98c7801d3f753cfe1156168f9125c905b14c28caa0babb4566aaa
-
SSDEEP
1536:spgpHzb9dZVX9fHMvG0D3XJzQEyS+EhuL0:6gXdZt9P6D3XJkiU0
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 984 Au_.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
NSIS installer 2 IoCs
resource yara_rule behavioral16/files/0x000600000002312b-3.dat nsis_installer_1 behavioral16/files/0x000600000002312b-3.dat nsis_installer_2 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3236 wrote to memory of 984 3236 uninstall_fc.exe 83 PID 3236 wrote to memory of 984 3236 uninstall_fc.exe 83 PID 3236 wrote to memory of 984 3236 uninstall_fc.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\$TEMP\uninstall_fc.exe"C:\Users\Admin\AppData\Local\Temp\$TEMP\uninstall_fc.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3236 -
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\$TEMP\2⤵
- Executes dropped EXE
PID:984
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
59KB
MD59b5a8a1e1a13cb6f5d344cf5f92866f9
SHA1db6e74fa5b1abbd8a412e21b437d03d173617bf9
SHA2569c3e4cbf323170eaf1d82a59496557f8013b65d0853bb05b7c054f0d5d856889
SHA5122dfc4dae9f743831e2e67861e5cd5a118a967fdba9b0c2655e9e71614fa76762b3fcc175feb98c7801d3f753cfe1156168f9125c905b14c28caa0babb4566aaa