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Analysis
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max time kernel
142s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
04/08/2023, 14:46
Static task
static1
Behavioral task
behavioral1
Sample
a8331e50e85849f47d59f1d1f14fd78e.bin.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
a8331e50e85849f47d59f1d1f14fd78e.bin.exe
Resource
win10v2004-20230703-en
General
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Target
a8331e50e85849f47d59f1d1f14fd78e.bin.exe
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Size
1.1MB
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MD5
a8331e50e85849f47d59f1d1f14fd78e
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SHA1
709f5b95b0b51079f6b9374a30e0a2319ee2cfa3
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SHA256
62f1d4e331c6eaa835a1b1cd59244a6b064f0dfe8b97f07ec51336b6258a1eba
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SHA512
c42d6abc7108c2d50bf1f7b272f3c5cff9a5a8134db9fd3a871aab48fd12b74521780b734db1224a6953d4ad0be14dc1e4b0de9a00a6bd1ba8da350e2bdf54e3
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SSDEEP
24576:Uo53R8dBoeZfWoXzNOraLyMkKH/5KOguyRs6CE3jLMpppdpppppUO9Rs6CE3jLMt:55CbTf/BEaLyv8YuyRs6CE3jLbO9Rs6I
Malware Config
Signatures
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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resource yara_rule behavioral1/memory/2964-63-0x0000000000400000-0x00000000004DA000-memory.dmp dcrat behavioral1/memory/2964-65-0x0000000000400000-0x00000000004DA000-memory.dmp dcrat behavioral1/memory/2964-69-0x0000000000400000-0x00000000004DA000-memory.dmp dcrat behavioral1/memory/2964-71-0x0000000000400000-0x00000000004DA000-memory.dmp dcrat behavioral1/memory/2964-74-0x0000000000400000-0x00000000004DA000-memory.dmp dcrat -
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1188 set thread context of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2964 a8331e50e85849f47d59f1d1f14fd78e.bin.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30 PID 1188 wrote to memory of 2964 1188 a8331e50e85849f47d59f1d1f14fd78e.bin.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\a8331e50e85849f47d59f1d1f14fd78e.bin.exe"C:\Users\Admin\AppData\Local\Temp\a8331e50e85849f47d59f1d1f14fd78e.bin.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Users\Admin\AppData\Local\Temp\a8331e50e85849f47d59f1d1f14fd78e.bin.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2964
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