Analysis
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max time kernel
56s -
max time network
125s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-06-2021 11:20
Static task
static1
Behavioral task
behavioral1
Sample
A4.exe
Resource
win7v20210410
0 signatures
0 seconds
General
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Target
A4.exe
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Size
421KB
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MD5
6972482b38fda49d5ea9f11bd2496909
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SHA1
3f70b20432fa4ceb9cff4c3bd28028183d7e6fa3
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SHA256
69e411368f9407c3c25b453792bd383fed96eb6bb6a7e9d0cf06d980add295c6
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SHA512
364238d4e97a6811f3fa3942ce528e4fd0a0666539d881d43c7e37428dbe6a05c1fc018e873ba3d02fe0bfee6522013f361fd8c8962dad99ef4734207b71079e
Malware Config
Extracted
Family
redline
Botnet
new
C2
45.134.225.35:7821
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 2 IoCs
resource yara_rule behavioral2/memory/1540-126-0x0000000000400000-0x000000000041C000-memory.dmp family_redline behavioral2/memory/1540-127-0x0000000000417306-mapping.dmp family_redline -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3724 set thread context of 1540 3724 A4.exe 79 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3724 A4.exe 3724 A4.exe 1540 A4.exe 1540 A4.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3724 A4.exe Token: SeDebugPrivilege 1540 A4.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3724 wrote to memory of 1540 3724 A4.exe 79 PID 3724 wrote to memory of 1540 3724 A4.exe 79 PID 3724 wrote to memory of 1540 3724 A4.exe 79 PID 3724 wrote to memory of 1540 3724 A4.exe 79 PID 3724 wrote to memory of 1540 3724 A4.exe 79 PID 3724 wrote to memory of 1540 3724 A4.exe 79 PID 3724 wrote to memory of 1540 3724 A4.exe 79 PID 3724 wrote to memory of 1540 3724 A4.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\A4.exe"C:\Users\Admin\AppData\Local\Temp\A4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Users\Admin\AppData\Local\Temp\A4.exeC:\Users\Admin\AppData\Local\Temp\A4.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540
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