c2fc663f23d734380807de7b7f5897376cdc1e3cd547d51ab515a3a4e72ab073

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 19:16

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General

Target

PrismLauncher-Windows-MSVC-Setup-8.3.exe
Size

18.1MB
MD5

d03e25e914d36f2375c28ed0ee277432
SHA1

fc9b209ac8272e91c81df60cc97c4cbcada6f149
SHA256

c2fc663f23d734380807de7b7f5897376cdc1e3cd547d51ab515a3a4e72ab073
SHA512

f94b595188b2b1a8f6bf5f30a0d1d8fb1dd57e7e66519a77e9dd6c79ad606a585b134fb6b9a8efb301afe91e117b4d8b7551133a6d658e0eb399ea18e191d6c3
SSDEEP

393216:CNnQQvlCZznocxWjGHuoeoKn/ZwtI4Np+uH5Xw7nxQPY1DrnQDtZqw2MQjgXjc:CNnQQvMBocxyGOo/Ixb4v+uZjqPQDtZa

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

Processes:

prismlauncher.exeprismlauncher.exe

pid process

2540 prismlauncher.exe
1192
340 prismlauncher.exe

pid	process
2540	prismlauncher.exe
1192
340	prismlauncher.exe

Loads dropped DLL 11 IoCs

Processes:

PrismLauncher-Windows-MSVC-Setup-8.3.exeprismlauncher.exeprismlauncher.exe

pid	process
2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe
2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe
2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe
2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe
2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe
2540	prismlauncher.exe
2540	prismlauncher.exe
1192
1192
340	prismlauncher.exe
340	prismlauncher.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

TaskKill.exe

pid process

2628 TaskKill.exe

pid	process
2628	TaskKill.exe

Modifies registry class 6 IoCs

Processes:

PrismLauncher-Windows-MSVC-Setup-8.3.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\curseforge	PrismLauncher-Windows-MSVC-Setup-8.3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\curseforge\URL Protocol	PrismLauncher-Windows-MSVC-Setup-8.3.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\curseforge\shell\open\command	PrismLauncher-Windows-MSVC-Setup-8.3.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\curseforge\shell	PrismLauncher-Windows-MSVC-Setup-8.3.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\curseforge\shell\open	PrismLauncher-Windows-MSVC-Setup-8.3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\curseforge\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Programs\\PrismLauncher\\prismlauncher.exe\" \"%1\""	PrismLauncher-Windows-MSVC-Setup-8.3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

TaskKill.exe

description pid process

Token: SeDebugPrivilege 2628 TaskKill.exe

description	pid	process
Token: SeDebugPrivilege	2628	TaskKill.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PrismLauncher-Windows-MSVC-Setup-8.3.exe

description	pid	process	target process
PID 2192 wrote to memory of 2628	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	TaskKill.exe
PID 2192 wrote to memory of 2628	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	TaskKill.exe
PID 2192 wrote to memory of 2628	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	TaskKill.exe
PID 2192 wrote to memory of 2628	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	TaskKill.exe
PID 2192 wrote to memory of 2628	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	TaskKill.exe
PID 2192 wrote to memory of 2628	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	TaskKill.exe
PID 2192 wrote to memory of 2628	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	TaskKill.exe
PID 2192 wrote to memory of 2540	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	prismlauncher.exe
PID 2192 wrote to memory of 2540	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	prismlauncher.exe
PID 2192 wrote to memory of 2540	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	prismlauncher.exe
PID 2192 wrote to memory of 2540	2192	PrismLauncher-Windows-MSVC-Setup-8.3.exe	prismlauncher.exe

C:\Users\Admin\AppData\Local\Temp\PrismLauncher-Windows-MSVC-Setup-8.3.exe
"C:\Users\Admin\AppData\Local\Temp\PrismLauncher-Windows-MSVC-Setup-8.3.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\TaskKill.exe
  TaskKill /IM prismlauncher.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2628
- C:\Users\Admin\AppData\Local\Programs\PrismLauncher\prismlauncher.exe
  "C:\Users\Admin\AppData\Local\Programs\PrismLauncher\prismlauncher.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2540

C:\Users\Admin\AppData\Local\Programs\PrismLauncher\prismlauncher.exe
"C:\Users\Admin\AppData\Local\Programs\PrismLauncher\prismlauncher.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Programs\PrismLauncher\Qt6Gui.dll

Filesize
8.5MB

MD5
7875aad0d0d426e9d1b132a35266de32

SHA1
8b7656e3412ae546153d2d3df91a6ff506d64749

SHA256
fc2464f62d7915ddeaebb5490bee6d60e7b42ad5a223d5812f0993c27c35be19

SHA512
9fa16c5c628f2e9b242323aed4c1aa70f093cee9f341ac61640287ff9be8663658f502769e037a8409943d3c9ab826bb1c6f88532f0fbacdaea28b2353cdfba9

Download Submit
C:\Users\Admin\AppData\Local\Programs\PrismLauncher\Qt6Widgets.dll

Filesize
6.2MB

MD5
34abb42b63e71b09b72b48cf5b1dba53

SHA1
9f3111aab57a5f28a4ce9bf82ea208fa3eadb9a6

SHA256
c71e65b882a84f47114590784a256f14ba19202ec30b218ce4841b2c7256060b

SHA512
06acab5a04a5d3e6834ddc95229758d4adc7a7f0ef003c80e8d59a8241e295b196aceacce20c88879e1676405a2538d032ec6ac543258538e686878fb29f77f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd17B6.tmp\modern-wizard.bmp

Filesize
25KB

MD5
cbe40fd2b1ec96daedc65da172d90022

SHA1
366c216220aa4329dff6c485fd0e9b0f4f0a7944

SHA256
3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2

SHA512
62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63

Download Submit
\Users\Admin\AppData\Local\Programs\PrismLauncher\prismlauncher.exe

Filesize
9.8MB

MD5
289255ff339b0ff529f43acb848b91ea

SHA1
a1312d501279095225ce6fd1824abfc50d884791

SHA256
ef302e37bc7f02edea74acaf614ecb71a6aa6f8e703db6811502169c2102c7ee

SHA512
ca782bbbd5bfd39d3b7d21f9b6d8089d4fb2c3474b1045dd6d49512b3d146b6f57fe701c26c83043cf10cbc1bf9127ee78d10775c3716a7a1f578cf0481a80f1

Download Submit
\Users\Admin\AppData\Local\Temp\nsd17B6.tmp\System.dll

Filesize
12KB

MD5
4add245d4ba34b04f213409bfe504c07

SHA1
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

SHA256
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

SHA512
1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

Download Submit
\Users\Admin\AppData\Local\Temp\nsd17B6.tmp\nsDialogs.dll

Filesize
9KB

MD5
1d8f01a83ddd259bc339902c1d33c8f1

SHA1
9f7806af462c94c39e2ec6cc9c7ad05c44eba04e

SHA256
4b7d17da290f41ebe244827cc295ce7e580da2f7e9f7cc3efc1abc6898e3c9ed

SHA512
28bf647374b4b500a0f3dbced70c2b256f93940e2b39160512e6e486ac31d1d90945acecef578f61b0a501f27c7106b6ffc3deab2ec3bfb3d9af24c9449a1567

Download Submit
\Users\Admin\AppData\Local\Temp\nsd17B6.tmp\nsExec.dll

Filesize
7KB

MD5
b4579bc396ace8cafd9e825ff63fe244

SHA1
32a87ed28a510e3b3c06a451d1f3d0ba9faf8d9c

SHA256
01e72332362345c415a7edcb366d6a1b52be9ac6e946fb9da49785c140ba1a4b

SHA512
3a76e0e259a0ca12275fed922ce6e01bdfd9e33ba85973e80101b8025ef9243f5e32461a113bbcc6aa75e40894bb5d3a42d6b21045517b6b3cf12d76b4cfa36a

Download Submit