Analysis
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max time kernel
119s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
15-10-2021 15:40
Static task
static1
Behavioral task
behavioral1
Sample
mixshop_20211015-171858.exe
Resource
win7-en-20211014
General
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Target
mixshop_20211015-171858.exe
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Size
661KB
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MD5
9a7f6f9a5b350f203321b0786329aa00
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SHA1
9706d421f4c8df54e14c98d77d449f454b550409
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SHA256
e302c5a029bb2b0756adbc8891854b0728d821b2accc0c466f747b751457deef
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SHA512
5033cf0dfdae2b152bdecf09fb1eafc912a5d9e677b850331dd513ea5b0871240907ce83801aa52248abfbcf119655af400965d5c53ca03f4249ecc2d6ef5b9a
Malware Config
Extracted
redline
mix15.10
185.215.113.15:57055
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/1260-122-0x0000000002340000-0x000000000235F000-memory.dmp family_redline behavioral2/memory/1260-127-0x0000000002390000-0x00000000023AD000-memory.dmp family_redline -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
mopnns.exepid process 1260 mopnns.exe -
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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
mixshop_20211015-171858.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString mixshop_20211015-171858.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 mixshop_20211015-171858.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
mopnns.exepid process 1260 mopnns.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
mopnns.exedescription pid process Token: SeDebugPrivilege 1260 mopnns.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
mixshop_20211015-171858.exedescription pid process target process PID 2372 wrote to memory of 1260 2372 mixshop_20211015-171858.exe mopnns.exe PID 2372 wrote to memory of 1260 2372 mixshop_20211015-171858.exe mopnns.exe PID 2372 wrote to memory of 1260 2372 mixshop_20211015-171858.exe mopnns.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\mixshop_20211015-171858.exe"C:\Users\Admin\AppData\Local\Temp\mixshop_20211015-171858.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exemopnns.exe2⤵
- Executes dropped EXE
- 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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C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exeMD5
00629871194dce1879d7611fe3e1b06c
SHA13d4e09c7e9735440e425f531745adef256c1cfbd
SHA256e172c87c6d3d156c8c4ccb23c8869c4b0d45fbf420aa7035c4cf4c23bd0581c6
SHA512f26a3927f5c561389326c2422550f53be1d407b93c1e04825dee89f8e7ceab569d7ae7d840aa7c6ad2fd60448da3682173003e5e9da3214dc549fa7b3f051319
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C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exeMD5
00629871194dce1879d7611fe3e1b06c
SHA13d4e09c7e9735440e425f531745adef256c1cfbd
SHA256e172c87c6d3d156c8c4ccb23c8869c4b0d45fbf420aa7035c4cf4c23bd0581c6
SHA512f26a3927f5c561389326c2422550f53be1d407b93c1e04825dee89f8e7ceab569d7ae7d840aa7c6ad2fd60448da3682173003e5e9da3214dc549fa7b3f051319
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memory/1260-127-0x0000000002390000-0x00000000023AD000-memory.dmpFilesize
116KB
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memory/1260-121-0x00000000007BA000-0x00000000007DD000-memory.dmpFilesize
140KB
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memory/1260-129-0x00000000025B0000-0x00000000025B1000-memory.dmpFilesize
4KB
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memory/1260-141-0x00000000071A0000-0x00000000071A1000-memory.dmpFilesize
4KB
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memory/1260-130-0x00000000055E0000-0x00000000055E1000-memory.dmpFilesize
4KB
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memory/1260-122-0x0000000002340000-0x000000000235F000-memory.dmpFilesize
124KB
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memory/1260-124-0x0000000000400000-0x00000000004BF000-memory.dmpFilesize
764KB
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memory/1260-131-0x00000000056F0000-0x00000000056F1000-memory.dmpFilesize
4KB
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memory/1260-125-0x0000000002380000-0x0000000002381000-memory.dmpFilesize
4KB
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memory/1260-126-0x0000000004AC0000-0x0000000004AC1000-memory.dmpFilesize
4KB
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memory/1260-140-0x0000000006FC0000-0x0000000006FC1000-memory.dmpFilesize
4KB
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memory/1260-128-0x0000000004FC0000-0x0000000004FC1000-memory.dmpFilesize
4KB
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memory/1260-118-0x0000000000000000-mapping.dmp
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memory/1260-139-0x0000000006EF0000-0x0000000006EF1000-memory.dmpFilesize
4KB
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memory/1260-123-0x00000000005E0000-0x000000000072A000-memory.dmpFilesize
1.3MB
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memory/1260-132-0x0000000005770000-0x0000000005771000-memory.dmpFilesize
4KB
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memory/1260-134-0x0000000002383000-0x0000000002384000-memory.dmpFilesize
4KB
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memory/1260-133-0x0000000002382000-0x0000000002383000-memory.dmpFilesize
4KB
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memory/1260-135-0x0000000002384000-0x0000000002386000-memory.dmpFilesize
8KB
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memory/1260-136-0x0000000006390000-0x0000000006391000-memory.dmpFilesize
4KB
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memory/1260-137-0x0000000006560000-0x0000000006561000-memory.dmpFilesize
4KB
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memory/1260-138-0x0000000006B90000-0x0000000006B91000-memory.dmpFilesize
4KB
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memory/2372-117-0x0000000000400000-0x0000000001719000-memory.dmpFilesize
19.1MB
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memory/2372-115-0x00000000019AE000-0x0000000001A1A000-memory.dmpFilesize
432KB
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memory/2372-116-0x0000000003540000-0x000000000360F000-memory.dmpFilesize
828KB