Analysis
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max time kernel
47s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03-10-2022 04:37
Static task
static1
Behavioral task
behavioral1
Sample
chrom.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
chrom.exe
Resource
win10v2004-20220901-en
General
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Target
chrom.exe
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Size
3.9MB
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MD5
d60909eb4d445d948740877e759b7b83
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SHA1
dc8a672358fa25efbcefb5e4074aab7acdb413a6
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SHA256
2d241ce3d2981c29545a11c13ec0ecd7e021759d35dea0c762bb0c63bb1b555d
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SHA512
d10292ff78b4e14569d8b96170d0da905b1beb45a1bd76ff7fe7d43b5b72ef079bae7ce68c01759f46b5fb4fc60d367c1cc78fbc676b3adca947f45f58c18242
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SSDEEP
98304:FvJ7zh1f+X5wDg+kkq/0j+TdWRRsuwaxhYDU4PQv2Vph2XpR:RPl+XWkkqMaTdWb0aDv2VpC
Malware Config
Extracted
redline
Crypt_Mastif
194.36.177.60:81
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auth_value
26018289184445b16046125f5e616df6
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 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1684-65-0x0000000000400000-0x0000000000428000-memory.dmp family_redline behavioral1/memory/1684-66-0x0000000000400000-0x0000000000428000-memory.dmp family_redline behavioral1/memory/1684-67-0x0000000000400000-0x0000000000428000-memory.dmp family_redline behavioral1/memory/1684-68-0x00000000004221FA-mapping.dmp family_redline behavioral1/memory/1684-70-0x0000000000400000-0x0000000000428000-memory.dmp family_redline behavioral1/memory/1684-72-0x0000000000400000-0x0000000000428000-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
chrom.exedescription pid process target process PID 1416 set thread context of 1684 1416 chrom.exe chrom.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exechrom.exepid process 1464 powershell.exe 1684 chrom.exe 1684 chrom.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exechrom.exechrom.exedescription pid process Token: SeDebugPrivilege 1464 powershell.exe Token: SeDebugPrivilege 1416 chrom.exe Token: SeDebugPrivilege 1684 chrom.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
chrom.exedescription pid process target process PID 1416 wrote to memory of 1464 1416 chrom.exe powershell.exe PID 1416 wrote to memory of 1464 1416 chrom.exe powershell.exe PID 1416 wrote to memory of 1464 1416 chrom.exe powershell.exe PID 1416 wrote to memory of 1464 1416 chrom.exe powershell.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe PID 1416 wrote to memory of 1684 1416 chrom.exe chrom.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\chrom.exe"C:\Users\Admin\AppData\Local\Temp\chrom.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\chrom.exeC:\Users\Admin\AppData\Local\Temp\chrom.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1416-54-0x00000000009D0000-0x0000000000DB6000-memory.dmpFilesize
3.9MB
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memory/1416-55-0x0000000005130000-0x00000000051E6000-memory.dmpFilesize
728KB
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memory/1416-56-0x0000000074DC1000-0x0000000074DC3000-memory.dmpFilesize
8KB
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memory/1416-57-0x00000000006C0000-0x0000000000752000-memory.dmpFilesize
584KB
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memory/1464-58-0x0000000000000000-mapping.dmp
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memory/1464-60-0x000000006F470000-0x000000006FA1B000-memory.dmpFilesize
5.7MB
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memory/1464-61-0x000000006F470000-0x000000006FA1B000-memory.dmpFilesize
5.7MB
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memory/1684-62-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB
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memory/1684-63-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB
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memory/1684-65-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB
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memory/1684-66-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB
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memory/1684-67-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB
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memory/1684-68-0x00000000004221FA-mapping.dmp
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memory/1684-70-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB
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memory/1684-72-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB