Analysis
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max time kernel
53s -
max time network
61s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 00:15
Static task
static1
Behavioral task
behavioral1
Sample
ku920385.exe
Resource
win7-20230220-en
General
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Target
ku920385.exe
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Size
366KB
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MD5
1db7ddeeb37c9274f031263ad2022274
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SHA1
44377ce985b07caca113b40013179d5ff1ef0daf
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SHA256
7217e9e99079181fe3cf9464c7b36eb247b4ea22d07c0564a93aa4573c787a61
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SHA512
72f723dd4a3e54cfc7e48d2370d4d53501fc32aec70b79d8875ed5f75a990647bc38620c52fbad2976b997214a833ad734309a47c636a4b19a8c622012dcc47d
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SSDEEP
6144:47YgurjtL2SM3AE67+c5mTCNuhG6aCQs6xv8Icv:YCrjti13B0AnhbNQs6SIc
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
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 34 IoCs
Processes:
resource yara_rule behavioral2/memory/4960-136-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-137-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-139-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-141-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-143-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-147-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-150-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-152-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-154-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-156-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-158-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-160-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-162-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-164-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-166-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-168-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-170-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-172-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-174-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-176-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-178-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-180-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-182-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-184-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-186-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-188-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-190-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-192-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-194-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-196-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-198-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-200-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-202-0x0000000004E30000-0x0000000004E6F000-memory.dmp family_redline behavioral2/memory/4960-1053-0x0000000004F00000-0x0000000004F10000-memory.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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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2948 4960 WerFault.exe ku920385.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
ku920385.exepid process 4960 ku920385.exe 4960 ku920385.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ku920385.exedescription pid process Token: SeDebugPrivilege 4960 ku920385.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ku920385.exe"C:\Users\Admin\AppData\Local\Temp\ku920385.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 15162⤵
- Program crash
PID:2948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4960 -ip 49601⤵PID:764