Analysis
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max time kernel
30s -
max time network
33s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-08-2024 18:24
Static task
static1
Behavioral task
behavioral1
Sample
1.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
1.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
1.exe
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Size
2.3MB
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MD5
1f3d6134710193f7d4d1e864d5e6b362
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SHA1
538a93f3103e461906f783210c08cb1a4708a438
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SHA256
2114aefe4d9460c04028d45b0f41ca9c65cea365727fda0fd2a885222c87db3c
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SHA512
85a9d0906d57b276ae8eedc6f7a3a8b109c7c68e1e7805f5ab3a5fa26c09e80cdf786e71e1e6f7d03479d7510393aa8710ae969847285900e7b5fbd44343fffc
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SSDEEP
49152:YMLtHPldWWLafLAUCweyFI0ZBAFCGLcRe2xTIYLEJL:jLaMUzRe2M
Malware Config
Signatures
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Detects Latrodectus 7 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral2/memory/556-0-0x0000000001FF0000-0x0000000002006000-memory.dmp family_latrodectus_1_4 behavioral2/memory/556-1-0x0000000001FF0000-0x0000000002006000-memory.dmp family_latrodectus_1_4 behavioral2/memory/556-2-0x0000000001FF0000-0x0000000002006000-memory.dmp family_latrodectus_1_4 behavioral2/memory/556-8-0x0000000001FF0000-0x0000000002006000-memory.dmp family_latrodectus_1_4 behavioral2/memory/3880-9-0x0000000001FD0000-0x0000000001FE6000-memory.dmp family_latrodectus_1_4 behavioral2/memory/3880-10-0x0000000001FD0000-0x0000000001FE6000-memory.dmp family_latrodectus_1_4 behavioral2/memory/3880-11-0x0000000001FD0000-0x0000000001FE6000-memory.dmp family_latrodectus_1_4 -
Latrodectus loader
Latrodectus is a loader written in C++.
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Deletes itself 1 IoCs
pid Process 556 1.exe -
Executes dropped EXE 2 IoCs
pid Process 3880 Update_3a30e489.exe 4528 Update_3a30e489.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 556 1.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 556 wrote to memory of 3880 556 1.exe 84 PID 556 wrote to memory of 3880 556 1.exe 84 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.exe"1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Users\Admin\AppData\Roaming\Custom_update\Update_3a30e489.exe"C:\Users\Admin\AppData\Roaming\Custom_update\Update_3a30e489.exe"2⤵
- Executes dropped EXE
PID:3880
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C:\Users\Admin\AppData\Roaming\Custom_update\Update_3a30e489.exeC:\Users\Admin\AppData\Roaming\Custom_update\Update_3a30e489.exe1⤵
- Executes dropped EXE
PID:4528
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.3MB
MD51f3d6134710193f7d4d1e864d5e6b362
SHA1538a93f3103e461906f783210c08cb1a4708a438
SHA2562114aefe4d9460c04028d45b0f41ca9c65cea365727fda0fd2a885222c87db3c
SHA51285a9d0906d57b276ae8eedc6f7a3a8b109c7c68e1e7805f5ab3a5fa26c09e80cdf786e71e1e6f7d03479d7510393aa8710ae969847285900e7b5fbd44343fffc