Overview
overview
10Static
static
7751fc41438...a5.exe
windows7-x64
7751fc41438...a5.exe
windows10-2004-x64
10$PLUGINSDI...os.dll
windows7-x64
3$PLUGINSDI...os.dll
windows10-2004-x64
10$PLUGINSDI...ig.dll
windows7-x64
3$PLUGINSDI...ig.dll
windows10-2004-x64
10$PLUGINSDI...pt.dll
windows7-x64
3$PLUGINSDI...pt.dll
windows10-2004-x64
10$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
10$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
10$PLUGINSDI...or.dll
windows7-x64
3$PLUGINSDI...or.dll
windows10-2004-x64
10$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
10$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
10$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
10$PLUGINSDI...ON.dll
windows7-x64
7$PLUGINSDI...ON.dll
windows10-2004-x64
10$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
10CouponTime...ll.exe
windows7-x64
7CouponTime...ll.exe
windows10-2004-x64
10$PLUGINSDI...os.dll
windows7-x64
3$PLUGINSDI...os.dll
windows10-2004-x64
10$PLUGINSDI...pt.dll
windows7-x64
3$PLUGINSDI...pt.dll
windows10-2004-x64
10$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
10Analysis
-
max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 17:43
Behavioral task
behavioral1
Sample
751fc41438a3262b41446648a57e4da5.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
751fc41438a3262b41446648a57e4da5.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/ExecDos.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/ExecDos.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/IpConfig.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/IpConfig.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/NSISEncrypt.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/NSISEncrypt.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/WmiInspector.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/WmiInspector.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
CouponTimeUninstall.exe
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
CouponTimeUninstall.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/ExecDos.dll
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/ExecDos.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/NSISEncrypt.dll
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/NSISEncrypt.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
General
-
Target
CouponTimeUninstall.exe
-
Size
242KB
-
MD5
f3955063c445497a899581b149dbb2a0
-
SHA1
9de3c4828af7282d4335540a9982fd11ce247414
-
SHA256
4ce7e6d899378d25017a76dbf2a94a8a44d63263b5ca4ca46859c7d70078b6fb
-
SHA512
c7c3e4ee1086970338622afc99101f81ac7c58ba2d46ed5538b2383369a68e2f4a57a7ada5ef37b43a867d1be9bad0dc28b282c1b70040af3629c09ac820cc96
-
SSDEEP
6144:cZ+11vg/W/y/1RWBT5JbHyQxq5kcwZm/G/Hco7:rg/W/s1s15hcp/G/8m
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
Au_.exepid process 2096 Au_.exe -
Loads dropped DLL 7 IoCs
Processes:
CouponTimeUninstall.exeAu_.exepid process 308 CouponTimeUninstall.exe 2096 Au_.exe 2096 Au_.exe 2096 Au_.exe 2096 Au_.exe 2096 Au_.exe 2096 Au_.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
NSIS installer 2 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe nsis_installer_1 \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe nsis_installer_2 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Au_.exepid process 2096 Au_.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
CouponTimeUninstall.exedescription pid process target process PID 308 wrote to memory of 2096 308 CouponTimeUninstall.exe Au_.exe PID 308 wrote to memory of 2096 308 CouponTimeUninstall.exe Au_.exe PID 308 wrote to memory of 2096 308 CouponTimeUninstall.exe Au_.exe PID 308 wrote to memory of 2096 308 CouponTimeUninstall.exe Au_.exe PID 308 wrote to memory of 2096 308 CouponTimeUninstall.exe Au_.exe PID 308 wrote to memory of 2096 308 CouponTimeUninstall.exe Au_.exe PID 308 wrote to memory of 2096 308 CouponTimeUninstall.exe Au_.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\CouponTimeUninstall.exe"C:\Users\Admin\AppData\Local\Temp\CouponTimeUninstall.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:308 -
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
- Suspicious behavior: GetForegroundWindowSpam
PID:2096
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
-
Filesize
4KB
MD57579ade7ae1747a31960a228ce02e666
SHA18ec8571a296737e819dcf86353a43fcf8ec63351
SHA256564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
SHA512a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b
-
Filesize
9KB
MD5c10e04dd4ad4277d5adc951bb331c777
SHA1b1e30808198a3ae6d6d1cca62df8893dc2a7ad43
SHA256e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
SHA512853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e
-
Filesize
242KB
MD5f3955063c445497a899581b149dbb2a0
SHA19de3c4828af7282d4335540a9982fd11ce247414
SHA2564ce7e6d899378d25017a76dbf2a94a8a44d63263b5ca4ca46859c7d70078b6fb
SHA512c7c3e4ee1086970338622afc99101f81ac7c58ba2d46ed5538b2383369a68e2f4a57a7ada5ef37b43a867d1be9bad0dc28b282c1b70040af3629c09ac820cc96