Overview
overview
10Static
static
3b9091ef41d...20.exe
windows7-x64
10b9091ef41d...20.exe
windows10-2004-x64
7$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.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
3Uninstall_...r .exe
windows7-x64
7Uninstall_...r .exe
windows10-2004-x64
7$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.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
3Analysis
-
max time kernel
148s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-03-2024 15:12
Static task
static1
Behavioral task
behavioral1
Sample
b9091ef41de734fdbd7c7df7b2a5ea20.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b9091ef41de734fdbd7c7df7b2a5ea20.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
Uninstall_FoldingBrowser .exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
Uninstall_FoldingBrowser .exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240226-en
General
-
Target
Uninstall_FoldingBrowser .exe
-
Size
71KB
-
MD5
8dd15bbaa635358aa8bb9af00cdf4e9c
-
SHA1
62dd57c30a1950d4558ee2d7189fa2836d188098
-
SHA256
51d1e2664649b716a8c73c314d6485b4edacec76ebe343bcfe6c0392caf2dd5d
-
SHA512
e55095f2b562ea8ddcd7e59749805ee696c25d44845de5df816354a0c6ff0ceec6641689b3175eb25109b6ec6a33b3d16420a265ecd40581b6c84e64d3fc660f
-
SSDEEP
1536:E1E/rzW2pakRmB7BW3nKsclgdLeAyN7Q4r7q4XdZ:E1E/rS2paccKntclceA/g7q4X3
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
Un_A.exepid process 3316 Un_A.exe -
Loads dropped DLL 4 IoCs
Processes:
Un_A.exepid process 3316 Un_A.exe 3316 Un_A.exe 3316 Un_A.exe 3316 Un_A.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
NSIS installer 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe nsis_installer_1 C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe nsis_installer_2 -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Uninstall_FoldingBrowser .exedescription pid process target process PID 3556 wrote to memory of 3316 3556 Uninstall_FoldingBrowser .exe Un_A.exe PID 3556 wrote to memory of 3316 3556 Uninstall_FoldingBrowser .exe Un_A.exe PID 3556 wrote to memory of 3316 3556 Uninstall_FoldingBrowser .exe Un_A.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Uninstall_FoldingBrowser .exe"C:\Users\Admin\AppData\Local\Temp\Uninstall_FoldingBrowser .exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3556 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3316
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
5KB
MD5b26b412d9f1050ad53f663c972fdcd9f
SHA17bc4ed444f3f8fd14c2c36784d828175bace8c17
SHA25670c842f318f691d92e5829616a283aa9bf9dc18cea6f39bad028e176056b591a
SHA512ba350a10b41c0cfe34c502e3d0e68fbfe1489448c85a282e0a5e444fa58d0dd8be2e566e21f0734a0debfc454f08b84140964c09c4c952f6a442642c911d7b46
-
Filesize
11KB
MD53f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1fe582246792774c2c9dd15639ffa0aca90d6fd0b
SHA256fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
SHA5120a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6
-
Filesize
9KB
MD5b3070cf20db659fdfb3cb2ed38130e8d
SHA1aa234b0620bebddde1414ff6b0840d883890b413
SHA256f2c1409faf2952c1c91f4b5495158ef5c7d1a1db6eea4a18f163574bd52fcad0
SHA5124849a4cf24ea8a26cd04eb132d479cc093d4e204ed3866a77646d03778f4c128e20722a0c3cd62ea98a37deea4ce505fe632420158c71a10b0c8c5e32b38e3f1
-
Filesize
71KB
MD58dd15bbaa635358aa8bb9af00cdf4e9c
SHA162dd57c30a1950d4558ee2d7189fa2836d188098
SHA25651d1e2664649b716a8c73c314d6485b4edacec76ebe343bcfe6c0392caf2dd5d
SHA512e55095f2b562ea8ddcd7e59749805ee696c25d44845de5df816354a0c6ff0ceec6641689b3175eb25109b6ec6a33b3d16420a265ecd40581b6c84e64d3fc660f