Analysis
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max time kernel
147s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
28-12-2020 07:35
Static task
static1
Behavioral task
behavioral1
Sample
1f87473ccecf48a5a570ad8ef35c0ee4.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
1f87473ccecf48a5a570ad8ef35c0ee4.exe
Resource
win10v20201028
General
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Target
1f87473ccecf48a5a570ad8ef35c0ee4.exe
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Size
594KB
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MD5
1f87473ccecf48a5a570ad8ef35c0ee4
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SHA1
4e21b16f6574b28d67fcecd7aebae704f921b4f2
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SHA256
a8d6e8219c6ec6f8284026609f9989fa8caa68e517a239973da19793d1fc2d60
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SHA512
285578f8a7673948483854b05a4ff09c658432123f9c166ae3629beeabd6e72523687d8a56b76b8cb34fd814cc109116c0abdd25bddae2465b7cb36f153435f4
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 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2000-12-0x0000000005460000-0x0000000005484000-memory.dmp family_redline behavioral1/memory/2000-13-0x0000000006A60000-0x0000000006A82000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
bestof.exepid process 2000 bestof.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\leadentop\bestof.exe upx C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe upx -
Loads dropped DLL 1 IoCs
Processes:
1f87473ccecf48a5a570ad8ef35c0ee4.exepid process 1068 1f87473ccecf48a5a570ad8ef35c0ee4.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
1f87473ccecf48a5a570ad8ef35c0ee4.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 1f87473ccecf48a5a570ad8ef35c0ee4.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 1f87473ccecf48a5a570ad8ef35c0ee4.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bestof.exedescription pid process Token: SeDebugPrivilege 2000 bestof.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
1f87473ccecf48a5a570ad8ef35c0ee4.exedescription pid process target process PID 1068 wrote to memory of 2000 1068 1f87473ccecf48a5a570ad8ef35c0ee4.exe bestof.exe PID 1068 wrote to memory of 2000 1068 1f87473ccecf48a5a570ad8ef35c0ee4.exe bestof.exe PID 1068 wrote to memory of 2000 1068 1f87473ccecf48a5a570ad8ef35c0ee4.exe bestof.exe PID 1068 wrote to memory of 2000 1068 1f87473ccecf48a5a570ad8ef35c0ee4.exe bestof.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1f87473ccecf48a5a570ad8ef35c0ee4.exe"C:\Users\Admin\AppData\Local\Temp\1f87473ccecf48a5a570ad8ef35c0ee4.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Users\Admin\AppData\Roaming\leadentop\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
ce62304c3eff639e1b2352667a569b8a
SHA15a5cb774b59befe102fe04e93d9853cfbda3334b
SHA256e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62
SHA51299d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41
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MD5
ce62304c3eff639e1b2352667a569b8a
SHA15a5cb774b59befe102fe04e93d9853cfbda3334b
SHA256e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62
SHA51299d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41