Analysis
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max time kernel
107s -
max time network
123s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
24-10-2021 03:07
Static task
static1
Behavioral task
behavioral1
Sample
downloadmanager.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
downloadmanager.exe
Resource
win10-en-20211014
General
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Target
downloadmanager.exe
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Size
1.6MB
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MD5
e1763a135579c63c42826936e44e8fa0
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SHA1
d5975f995a2c6b7ae0de61ff6c872446463f7ed8
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SHA256
8100d138756d6c3005dd271e8f5b4c8b14ce644f636682fba0260db30d19cd4e
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SHA512
aa3ecdc074a428b3a7870b4dfe1fc9427299d64412b764e16bd14bc020eea16743578490ed172f35af172dc1eac3d72cf965a803dafec2a701ac22a7cd4de24d
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 behavioral2/memory/4396-119-0x0000000002450000-0x000000000246D000-memory.dmp family_redline behavioral2/memory/4396-121-0x0000000002610000-0x000000000262C000-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:
downloadmanager.exedescription pid process target process PID 4372 set thread context of 4396 4372 downloadmanager.exe downloadmanager.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
downloadmanager.exedescription pid process Token: SeDebugPrivilege 4396 downloadmanager.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
downloadmanager.exedescription pid process target process PID 4372 wrote to memory of 4396 4372 downloadmanager.exe downloadmanager.exe PID 4372 wrote to memory of 4396 4372 downloadmanager.exe downloadmanager.exe PID 4372 wrote to memory of 4396 4372 downloadmanager.exe downloadmanager.exe PID 4372 wrote to memory of 4396 4372 downloadmanager.exe downloadmanager.exe PID 4372 wrote to memory of 4396 4372 downloadmanager.exe downloadmanager.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\downloadmanager.exe"C:\Users\Admin\AppData\Local\Temp\downloadmanager.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\downloadmanager.exe"C:\Users\Admin\AppData\Local\Temp\downloadmanager.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4396-115-0x0000000000400000-0x0000000000434000-memory.dmpFilesize
208KB
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memory/4396-116-0x000000000040CD2F-mapping.dmp
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memory/4396-117-0x0000000000400000-0x0000000000434000-memory.dmpFilesize
208KB
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memory/4396-118-0x0000000002480000-0x0000000002481000-memory.dmpFilesize
4KB
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memory/4396-119-0x0000000002450000-0x000000000246D000-memory.dmpFilesize
116KB
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memory/4396-120-0x0000000004AB0000-0x0000000004AB1000-memory.dmpFilesize
4KB
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memory/4396-121-0x0000000002610000-0x000000000262C000-memory.dmpFilesize
112KB
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memory/4396-122-0x0000000004FB0000-0x0000000004FB1000-memory.dmpFilesize
4KB
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memory/4396-124-0x0000000002483000-0x0000000002484000-memory.dmpFilesize
4KB
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memory/4396-123-0x0000000002482000-0x0000000002483000-memory.dmpFilesize
4KB
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memory/4396-125-0x0000000005620000-0x0000000005621000-memory.dmpFilesize
4KB
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memory/4396-126-0x0000000005650000-0x0000000005651000-memory.dmpFilesize
4KB
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memory/4396-127-0x0000000005760000-0x0000000005761000-memory.dmpFilesize
4KB
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memory/4396-128-0x0000000002484000-0x0000000002486000-memory.dmpFilesize
8KB
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memory/4396-129-0x00000000057E0000-0x00000000057E1000-memory.dmpFilesize
4KB
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memory/4396-130-0x0000000005970000-0x0000000005971000-memory.dmpFilesize
4KB
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memory/4396-131-0x0000000006080000-0x0000000006081000-memory.dmpFilesize
4KB
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memory/4396-132-0x0000000006100000-0x0000000006101000-memory.dmpFilesize
4KB
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memory/4396-133-0x00000000062E0000-0x00000000062E1000-memory.dmpFilesize
4KB
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memory/4396-134-0x0000000006470000-0x0000000006471000-memory.dmpFilesize
4KB
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memory/4396-135-0x0000000006650000-0x0000000006651000-memory.dmpFilesize
4KB