Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/09/2026, 09:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Risxn_Bloom_V2.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
Risxn_Bloom_V2.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target Risxn_Bloom_V2.exe
- Size 1.6MB
- Sample260908-lmcrqaef29
- SHA256 165cf1f57e675aa357574f1246d65980d7e9bb92be9f18fa9c9adfbcc2ab761a
- MD5 84c2ec888ea8609131bbfa433a27f395
- SHA1 64878e0b9176280de1cb0ba6fdcda9147852f955
- SHA512 a2ea552d2b63a50b5a403cd266dcfce1b011fc9649018ca3e4b20797a8b0edbb4ad436d3fc21cccb037edeb6126193d00037258d3d77bc5f73c7c6ba206da9e4
- SSDEEP 49152:PVavLoTTA/aqztcrIEoul9WPAbJxOWwhLjPcuoc5kk:PVrTTA/XjEou6PAtxOWwh/cuz
- TLSH T150757B0323A2C0E9DE6791B6C525D632D6727C54073896DB15E0BE2FFFB3A911A3A311
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: DarkSideRAT
DarkSideRAT is a remote access trojan.
- Detects DarkSideRAT 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001c58c-17.dat family_darksiderat - Downloads MZ/PE file 1 IoCs
flow pid Process 2 3552 Risxn_Bloom_V2.exe - Executes dropped EXE 1 IoCs
pid Process 2432 ox_1788860322483.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3552 Risxn_Bloom_V2.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3552 wrote to memory of 2704 3552 Risxn_Bloom_V2.exe 88 PID 2704 wrote to memory of 2432 2704 cmd.exe 90 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92 PID 2432 wrote to memory of 3500 2432 ox_1788860322483.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\Risxn_Bloom_V2.exe"C:\Users\Admin\AppData\Local\Temp\Risxn_Bloom_V2.exe"1⤵
- Downloads MZ/PE file
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\system32\cmd.exe/c start C:\Users\Admin\AppData\Local\Temp\ox_1788860322483.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\ox_1788860322483.exeC:\Users\Admin\AppData\Local\Temp\ox_1788860322483.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\System32\ktmutil.exe"C:\Windows\System32\ktmutil.exe"4⤵PID:3500
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\ox_1788860322483.exe
- Size 56KB
- SHA256 47c72580795661e45c4ea0dcc31954cc63467f149e013fb77a6816ad67ac2750
- MD5 1dfcd6d0690c4eb10a99b19eb0fd05e9
- SHA1 dd58e6af2871c70a4532fc7d7bd8a56f7f47966e
- SHA512 ada4387e34541c59147672146f6189766855ab2edebbad0dbba83b85339b69dc3a08dfc6a2716f6460f3afc4c93607fbe5bb22739920374e4f37ce8c00a92836
- SSDEEP 768:RUcqx3pSuSDFfQYqXKmEXNt+VtzOOWp54vg5d5YP98yxA1XbXy/kW7rCVr8Z0kP:6WuWbpb+tWp0g5rBSm2sW7rCVoekP
- TLSH T1CD43F834EA5EB06FD359D830DD430D16DD52BCCA97A0BB9B57910DD20EAAF209B2D341
- MD5 SHA1 SHA512 SSDEEP TLSH