Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250207-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250207-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
08-02-2025 16:02
Static task
static1
Behavioral task
behavioral1
Sample
update.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
update.exe
Resource
win10ltsc2021-20250207-en
Behavioral task
behavioral3
Sample
update.exe
Resource
win11-20250207-en
General
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Target
update.exe
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Size
1.4MB
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MD5
b5b47184175f3b329e06238e6f55f7bf
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SHA1
20516898407496ef5b6079c0ca60b620da946526
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SHA256
c6d4a545c17d3c8e6d2fa0b9ef4d915ff7d025a5d4cdf5fa9000de4c2a5725f6
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SHA512
d31b6406ce05761027c02f1b8cd1b78e449aff797560ed68c68a9ac2945ce6f700baa4ed659e10cfe5c0bdada5aab838eba77e2411277fea7653f283a59df6e8
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SSDEEP
24576:3xJWx7zJo9IanLupW1nmUxOAD7RsiHNRj7BYPkHNB4U:hEx73HSnpoi7zNp9YPnU
Malware Config
Extracted
redline
usa_installs
87.120.113.144:57725
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 behavioral2/memory/3960-1344-0x0000000000400000-0x000000000041E000-memory.dmp family_redline -
Redline family
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SectopRAT payload 1 IoCs
resource yara_rule behavioral2/memory/3960-1344-0x0000000000400000-0x000000000041E000-memory.dmp family_sectoprat -
Sectoprat family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 5080 created 3616 5080 update.exe 57 -
Downloads MZ/PE file 1 IoCs
flow pid Process 35 4424 Process not Found -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.vbs update.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5080 set thread context of 3960 5080 update.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 update.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AppLaunch.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1036 MicrosoftEdgeUpdate.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 5080 update.exe 5080 update.exe 5080 update.exe 5080 update.exe 5080 update.exe 5080 update.exe 5080 update.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5080 update.exe Token: SeDebugPrivilege 5080 update.exe Token: SeDebugPrivilege 3960 AppLaunch.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5080 wrote to memory of 3960 5080 update.exe 84 PID 5080 wrote to memory of 3960 5080 update.exe 84 PID 5080 wrote to memory of 3960 5080 update.exe 84 PID 5080 wrote to memory of 3960 5080 update.exe 84 PID 5080 wrote to memory of 3960 5080 update.exe 84 PID 5080 wrote to memory of 3960 5080 update.exe 84 PID 5080 wrote to memory of 3960 5080 update.exe 84 PID 5080 wrote to memory of 3960 5080 update.exe 84
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3616
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C:\Users\Admin\AppData\Local\Temp\update.exe"C:\Users\Admin\AppData\Local\Temp\update.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3960
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGV4cCBldGFnPSImcXVvdDtyNDUydDErazJUZ3EvSFh6anZGTkJSaG9wQldSOXNialh4cWVVREg5dVgwPSZxdW90OyIvPjxhcHAgYXBwaWQ9Ins4QTY5RDM0NS1ENTY0LTQ2M2MtQUZGMS1BNjlEOUU1MzBGOTZ9IiB2ZXJzaW9uPSIxMjMuMC42MzEyLjEyMyIgbmV4dHZlcnNpb249IiIgbGFuZz0iZW4iIGJyYW5kPSJHR0xTIiBjbGllbnQ9IiIgaW5zdGFsbGFnZT0iMSIgaW5zdGFsbGRhdGV0aW1lPSIxNzM4OTM1NDE3IiBvb2JlX2luc3RhbGxfdGltZT0iMTMzODM0MDc5NTg5MzQwMDAwIj48ZXZlbnQgZXZlbnR0eXBlPSIzMSIgZXZlbnRyZXN1bHQ9IjEiIGVycm9yY29kZT0iMCIgZXh0cmFjb2RlMT0iMjE3OTg2MiIgc3lzdGVtX3VwdGltZV90aWNrcz0iNTM1NTE2OTU0OCIvPjwvYXBwPjwvcmVxdWVzdD41⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1036