Analysis
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max time kernel
1800s -
max time network
1818s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
22-10-2021 14:38
Static task
static1
Behavioral task
behavioral1
Sample
Fri05a277b9a3d2.exe
Resource
win7-ja-20210920
Behavioral task
behavioral2
Sample
Fri05a277b9a3d2.exe
Resource
win7-en-20211014
Behavioral task
behavioral3
Sample
Fri05a277b9a3d2.exe
Resource
win7-de-20210920
Behavioral task
behavioral4
Sample
Fri05a277b9a3d2.exe
Resource
win11
Behavioral task
behavioral5
Sample
Fri05a277b9a3d2.exe
Resource
win10-ja-20211014
Behavioral task
behavioral6
Sample
Fri05a277b9a3d2.exe
Resource
win10-en-20211014
Behavioral task
behavioral7
Sample
Fri05a277b9a3d2.exe
Resource
win10-de-20210920
General
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Target
Fri05a277b9a3d2.exe
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Size
383KB
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MD5
8958066e38eb4b70f922db2c23457c18
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SHA1
27aff4aed5d4c782e9170ba124a3a1f90d979e6a
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SHA256
3f3a020f63daef5ffa7c2eb9014452dfa913cc6ff977e5747e6f0c854d849358
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SHA512
c2b73802a4b3350290d40bf2aa3942d92239eea4f69ab13fcce84090093e13d7950e3c32d565880a9ec74b8898cb82bb63e04a53505d9ef5f3aea812f8a68236
Malware Config
Extracted
redline
media21
91.121.67.60:23325
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 5 IoCs
Processes:
resource yara_rule behavioral2/memory/1032-60-0x0000000000400000-0x000000000041E000-memory.dmp family_redline behavioral2/memory/1032-61-0x0000000000400000-0x000000000041E000-memory.dmp family_redline behavioral2/memory/1032-62-0x0000000000400000-0x000000000041E000-memory.dmp family_redline behavioral2/memory/1032-63-0x0000000000418532-mapping.dmp family_redline behavioral2/memory/1032-64-0x0000000000400000-0x000000000041E000-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:
Fri05a277b9a3d2.exedescription pid process target process PID 2040 set thread context of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Fri05a277b9a3d2.exepid process 1032 Fri05a277b9a3d2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Fri05a277b9a3d2.exedescription pid process Token: SeDebugPrivilege 1032 Fri05a277b9a3d2.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Fri05a277b9a3d2.exedescription pid process target process PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe PID 2040 wrote to memory of 1032 2040 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe"C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exeC:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe2⤵
- 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/1032-59-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1032-58-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1032-60-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1032-61-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1032-62-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1032-63-0x0000000000418532-mapping.dmp
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memory/1032-64-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1032-66-0x0000000000B80000-0x0000000000B81000-memory.dmpFilesize
4KB
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memory/2040-55-0x0000000001060000-0x0000000001061000-memory.dmpFilesize
4KB
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memory/2040-57-0x0000000000470000-0x0000000000471000-memory.dmpFilesize
4KB