Analysis
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max time kernel
32s -
max time network
34s -
platform
windows10_x64 -
resource
win10-en -
submitted
14-09-2021 19:40
Static task
static1
Behavioral task
behavioral1
Sample
installer.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
installer.exe
Resource
win11
Behavioral task
behavioral3
Sample
installer.exe
Resource
win10v20210408
General
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Target
installer.exe
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Size
598KB
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MD5
239394fafc18ebb639f8fad447bdb0af
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SHA1
e4ffb14ea1ad842d144bf829cbcfa27461ba8981
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SHA256
9cb48f855afbd1e83c9ba2060592b4da0a8cf3a57f5a37fcf5aa27effcc878a4
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SHA512
b2da692e0dafd618c8f4301aa7f6e5903663931345211b688599de7641cdd883fffc691cb744720281a033fdd33f36c187d72328b1b0296491dbe4516aa0bc15
Malware Config
Extracted
redline
H
185.180.231.69:2796
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 behavioral4/memory/4756-121-0x0000000000400000-0x0000000000466000-memory.dmp family_redline behavioral4/memory/4756-122-0x000000000041C636-mapping.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:
installer.exedescription pid process target process PID 4688 set thread context of 4756 4688 installer.exe installer.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4872 4688 WerFault.exe installer.exe -
Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
WerFault.exeinstaller.exepid process 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4872 WerFault.exe 4756 installer.exe 4756 installer.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
installer.exeWerFault.exeinstaller.exedescription pid process Token: SeDebugPrivilege 4688 installer.exe Token: SeRestorePrivilege 4872 WerFault.exe Token: SeBackupPrivilege 4872 WerFault.exe Token: SeDebugPrivilege 4872 WerFault.exe Token: SeDebugPrivilege 4756 installer.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
installer.exedescription pid process target process PID 4688 wrote to memory of 4748 4688 installer.exe installer.exe PID 4688 wrote to memory of 4748 4688 installer.exe installer.exe PID 4688 wrote to memory of 4748 4688 installer.exe installer.exe PID 4688 wrote to memory of 4756 4688 installer.exe installer.exe PID 4688 wrote to memory of 4756 4688 installer.exe installer.exe PID 4688 wrote to memory of 4756 4688 installer.exe installer.exe PID 4688 wrote to memory of 4756 4688 installer.exe installer.exe PID 4688 wrote to memory of 4756 4688 installer.exe installer.exe PID 4688 wrote to memory of 4756 4688 installer.exe installer.exe PID 4688 wrote to memory of 4756 4688 installer.exe installer.exe PID 4688 wrote to memory of 4756 4688 installer.exe installer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\installer.exe"C:\Users\Admin\AppData\Local\Temp\installer.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\installer.exe"C:\Users\Admin\AppData\Local\Temp\installer.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\installer.exe"C:\Users\Admin\AppData\Local\Temp\installer.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 9442⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4688-123-0x00000000058C0000-0x00000000058C3000-memory.dmpFilesize
12KB
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memory/4688-116-0x0000000005CF0000-0x0000000005CF1000-memory.dmpFilesize
4KB
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memory/4688-117-0x00000000057F0000-0x00000000057F1000-memory.dmpFilesize
4KB
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memory/4688-118-0x0000000005970000-0x0000000005971000-memory.dmpFilesize
4KB
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memory/4688-119-0x00000000057F0000-0x0000000005CEE000-memory.dmpFilesize
5.0MB
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memory/4688-120-0x0000000005790000-0x00000000057CA000-memory.dmpFilesize
232KB
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memory/4688-115-0x0000000000ED0000-0x0000000000ED1000-memory.dmpFilesize
4KB
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memory/4756-127-0x0000000006900000-0x0000000006901000-memory.dmpFilesize
4KB
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memory/4756-132-0x00000000067D0000-0x00000000067D1000-memory.dmpFilesize
4KB
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memory/4756-124-0x0000000000400000-0x0000000000401000-memory.dmpFilesize
4KB
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memory/4756-121-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/4756-129-0x0000000005AD0000-0x0000000005AD1000-memory.dmpFilesize
4KB
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memory/4756-130-0x0000000006680000-0x0000000006681000-memory.dmpFilesize
4KB
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memory/4756-131-0x00000000058F0000-0x0000000005DEE000-memory.dmpFilesize
5.0MB
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memory/4756-122-0x000000000041C636-mapping.dmp
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memory/4756-133-0x0000000006810000-0x0000000006811000-memory.dmpFilesize
4KB
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memory/4756-134-0x0000000008C90000-0x0000000008C91000-memory.dmpFilesize
4KB
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memory/4756-135-0x0000000009390000-0x0000000009391000-memory.dmpFilesize
4KB
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memory/4756-136-0x0000000008BD0000-0x0000000008BD1000-memory.dmpFilesize
4KB
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memory/4756-137-0x0000000008FE0000-0x0000000008FE1000-memory.dmpFilesize
4KB
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memory/4756-138-0x00000000091A0000-0x00000000091A1000-memory.dmpFilesize
4KB