Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241211-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
29-12-2024 19:05
Static task
static1
Behavioral task
behavioral1
Sample
Crypto Miner Builder.exe
Resource
win10ltsc2021-20241211-en
Behavioral task
behavioral2
Sample
Crypto Miner Builder.exe
Resource
win11-20241007-en
General
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Target
Crypto Miner Builder.exe
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Size
572KB
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MD5
c6e1b4c935a6fc29c0761b51b9d0b436
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SHA1
16845245dcc7eff90a4e45ed2586d18e6ca181be
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SHA256
f7aa7848b465cabf2afd062d7831fe0fe499c765a06a5544128f3816e3097104
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SHA512
8f663865b5bd0254c9764d9523542da074d3dd012f453bb46a73bde908ca162f9c1fdc304960921fbc57d39afcc946eae6a8e7f21d3c2f8c58080a6621e20567
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SSDEEP
12288:18DYqxPebX3qEhMwiQ1Mr5f6G5UDYvqrC8ZJeJyP2n:14pPebX3qaOQ1M9yG5ULrDZP2n
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 1 IoCs
resource yara_rule behavioral1/memory/4516-5-0x0000000000400000-0x0000000000480000-memory.dmp family_redline -
Redline family
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4932 set thread context of 4516 4932 Crypto Miner Builder.exe 92 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 Crypto Miner Builder.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4932 wrote to memory of 4516 4932 Crypto Miner Builder.exe 92 PID 4932 wrote to memory of 4516 4932 Crypto Miner Builder.exe 92 PID 4932 wrote to memory of 4516 4932 Crypto Miner Builder.exe 92 PID 4932 wrote to memory of 4516 4932 Crypto Miner Builder.exe 92 PID 4932 wrote to memory of 4516 4932 Crypto Miner Builder.exe 92 PID 4932 wrote to memory of 4516 4932 Crypto Miner Builder.exe 92 PID 4932 wrote to memory of 4516 4932 Crypto Miner Builder.exe 92 PID 4932 wrote to memory of 4516 4932 Crypto Miner Builder.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\Crypto Miner Builder.exe"C:\Users\Admin\AppData\Local\Temp\Crypto Miner Builder.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
PID:4516
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=1064,i,17335467816477789966,7023972131130623520,262144 --variations-seed-version --mojo-platform-channel-handle=4824 /prefetch:81⤵PID:3140
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=5444,i,17335467816477789966,7023972131130623520,262144 --variations-seed-version --mojo-platform-channel-handle=4052 /prefetch:81⤵PID:3344