Overview
overview
7Static
static
3Bootstrap ...om.exe
windows11-21h2-x64
7$PLUGINSDI...er.dll
windows11-21h2-x64
3$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ll.dll
windows11-21h2-x64
3Bootstrap Studio.exe
windows11-21h2-x64
4LICENSES.c...m.html
windows11-21h2-x64
3d3dcompiler_47.dll
windows11-21h2-x64
1ffmpeg.dll
windows11-21h2-x64
1libEGL.dll
windows11-21h2-x64
1libGLESv2.dll
windows11-21h2-x64
1resources/...trc.js
windows11-21h2-x64
3resources/...all.js
windows11-21h2-x64
3resources/...nel.js
windows11-21h2-x64
3resources/...ent.js
windows11-21h2-x64
3resources/...ent.js
windows11-21h2-x64
3resources/...nts.js
windows11-21h2-x64
3resources/...dex.js
windows11-21h2-x64
3resources/...col.js
windows11-21h2-x64
3resources/...FTP.js
windows11-21h2-x64
3resources/...nts.js
windows11-21h2-x64
3resources/...pto.js
windows11-21h2-x64
3resources/...o.node
windows11-21h2-x64
3resources/...305.js
windows11-21h2-x64
3resources/...ers.js
windows11-21h2-x64
3resources/...isc.js
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...7z.dll
windows11-21h2-x64
3$R0/Uninst...io.exe
windows11-21h2-x64
7Bootstrap ...en.exe
windows11-21h2-x64
7Bootstrap ..._1.dll
windows11-21h2-x64
3Bootstrap ..._1.dll
windows11-21h2-x64
3Resubmissions
01-09-2024 14:15
240901-rkpldssgrl 7Analysis
-
max time kernel
212s -
max time network
285s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
01-09-2024 14:15
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrap Studio 6.7.3 x64_SoftoRooM/Bootstrap_Studio_Setup_softoroom.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
Bootstrap Studio.exe
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
LICENSES.chromium.html
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
d3dcompiler_47.dll
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
ffmpeg.dll
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
libEGL.dll
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
libGLESv2.dll
Resource
win11-20240802-en
Behavioral task
behavioral12
Sample
resources/app.asar.unpacked/node_modules/ssh2/.eslintrc.js
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
resources/app.asar.unpacked/node_modules/ssh2/install.js
Resource
win11-20240802-en
Behavioral task
behavioral14
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/Channel.js
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/agent.js
Resource
win11-20240802-en
Behavioral task
behavioral16
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/client.js
Resource
win11-20240802-en
Behavioral task
behavioral17
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/http-agents.js
Resource
win11-20240802-en
Behavioral task
behavioral18
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/index.js
Resource
win11-20240802-en
Behavioral task
behavioral19
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/protocol/Protocol.js
Resource
win11-20240802-en
Behavioral task
behavioral20
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/protocol/SFTP.js
Resource
win11-20240802-en
Behavioral task
behavioral21
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/protocol/constants.js
Resource
win11-20240802-en
Behavioral task
behavioral22
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/protocol/crypto.js
Resource
win11-20240802-en
Behavioral task
behavioral23
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/protocol/crypto/build/Release/sshcrypto.node
Resource
win11-20240802-en
Behavioral task
behavioral24
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/protocol/crypto/poly1305.js
Resource
win11-20240802-en
Behavioral task
behavioral25
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/protocol/handlers.js
Resource
win11-20240802-en
Behavioral task
behavioral26
Sample
resources/app.asar.unpacked/node_modules/ssh2/lib/protocol/handlers.misc.js
Resource
win11-20240802-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20240802-en
Behavioral task
behavioral29
Sample
$R0/Uninstall Bootstrap Studio.exe
Resource
win11-20240802-en
Behavioral task
behavioral30
Sample
Bootstrap Studio 6.7.3 x64_SoftoRooM/Crack/keygen.exe
Resource
win11-20240802-en
Behavioral task
behavioral31
Sample
Bootstrap Studio 6.7.3 x64_SoftoRooM/Crack/libcrypto-1_1.dll
Resource
win11-20240802-en
Behavioral task
behavioral32
Sample
Bootstrap Studio 6.7.3 x64_SoftoRooM/Crack/libssl-1_1.dll
Resource
win11-20240802-en
General
-
Target
$R0/Uninstall Bootstrap Studio.exe
-
Size
254KB
-
MD5
f5b98a1936d09a66c396932279c68c4b
-
SHA1
9fb97d66d787ded1c888829e8090f01e70ddac69
-
SHA256
3d9455e6726161536916165e44e659f431e478424f9d38c3815463e5f8bae83a
-
SHA512
96100f3b9802fa5c0ef5e2d74f9bbb9f93e463c2abf38bfd5558a2fde8b8eba2348382057c71c083192c8a595f39e8a66fe149b9e037a4ab5edffec509e115ca
-
SSDEEP
6144:F740IGcRNQkm+4O382f55d5SBs2t0EyL+yaPFk:lHyTOSRKJPFk
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 3556 Un_A.exe -
Loads dropped DLL 6 IoCs
pid Process 3556 Un_A.exe 3556 Un_A.exe 3556 Un_A.exe 3556 Un_A.exe 3556 Un_A.exe 3556 Un_A.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 436 tasklist.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Uninstall Bootstrap Studio.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Un_A.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language find.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\.bsdesign Un_A.exe Set value (str) \REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\.bsdesign\ Un_A.exe Key created \REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\.bscomp Un_A.exe Set value (str) \REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\.bscomp\ Un_A.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3556 Un_A.exe 3556 Un_A.exe 436 tasklist.exe 436 tasklist.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 436 tasklist.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 956 wrote to memory of 3556 956 Uninstall Bootstrap Studio.exe 81 PID 956 wrote to memory of 3556 956 Uninstall Bootstrap Studio.exe 81 PID 956 wrote to memory of 3556 956 Uninstall Bootstrap Studio.exe 81 PID 3556 wrote to memory of 2564 3556 Un_A.exe 82 PID 3556 wrote to memory of 2564 3556 Un_A.exe 82 PID 3556 wrote to memory of 2564 3556 Un_A.exe 82 PID 2564 wrote to memory of 436 2564 cmd.exe 84 PID 2564 wrote to memory of 436 2564 cmd.exe 84 PID 2564 wrote to memory of 436 2564 cmd.exe 84 PID 2564 wrote to memory of 4960 2564 cmd.exe 85 PID 2564 wrote to memory of 4960 2564 cmd.exe 85 PID 2564 wrote to memory of 4960 2564 cmd.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Bootstrap Studio.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Bootstrap Studio.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:956 -
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\$R0\2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3556 -
C:\Windows\SysWOW64\cmd.execmd /c tasklist /FI "USERNAME eq %USERNAME%" /FI "IMAGENAME eq Bootstrap Studio.exe" | %SYSTEMROOT%\System32\find.exe "Bootstrap Studio.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564 -
C:\Windows\SysWOW64\tasklist.exetasklist /FI "USERNAME eq Admin" /FI "IMAGENAME eq Bootstrap Studio.exe"4⤵
- Enumerates processes with tasklist
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:436
-
-
C:\Windows\SysWOW64\find.exeC:\Windows\System32\find.exe "Bootstrap Studio.exe"4⤵
- System Location Discovery: System Language Discovery
PID:4960
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
100KB
MD5c6a6e03f77c313b267498515488c5740
SHA13d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA256b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
SHA5129870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
-
Filesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
Filesize
3KB
MD51cc7c37b7e0c8cd8bf04b6cc283e1e56
SHA10b9519763be6625bd5abce175dcc59c96d100d4c
SHA2569be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
SHA5127acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
-
Filesize
6KB
MD5ec0504e6b8a11d5aad43b296beeb84b2
SHA191b5ce085130c8c7194d66b2439ec9e1c206497c
SHA2565d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
SHA5123f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57
-
Filesize
254KB
MD5f5b98a1936d09a66c396932279c68c4b
SHA19fb97d66d787ded1c888829e8090f01e70ddac69
SHA2563d9455e6726161536916165e44e659f431e478424f9d38c3815463e5f8bae83a
SHA51296100f3b9802fa5c0ef5e2d74f9bbb9f93e463c2abf38bfd5558a2fde8b8eba2348382057c71c083192c8a595f39e8a66fe149b9e037a4ab5edffec509e115ca