Analysis
- max time kernel
153s - max time network
155s - platform
windows10_x64 - resource
win10v20210408 - submitted
04/09/2021, 18:53
General
- Target 9c8320799dd132d75c90ace01f53da6c.exe
- Size 264KB
- Sample210904-xjmcjaede6
- SHA256 5b742d7fc7f00ec13442daf22ff2bb2b856e5083eee18fffc267185bfbb7720b
Malware Config
Extracted
-
smokeloader
-
2020
-
http://fioajfoiarjfoi1.xyz/
-
http://rdukhnihioh2.xyz/
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http://sdfghjklemm3.xyz/
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http://eruiopijhgnn4.xyz/
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http://igbyugfwbwb5.xyz/
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http://shfuhfuwhhc6.xyz/
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http://ersyglhjkuij7.xyz/
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http://ygyguguuju8.store/
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http://resbkjpokfct9.store/
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http://sdfygfygu10.store/
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http://hbibhibihnj11.store/
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http://vfwlkjhbghg12.store/
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http://poiuytrcvb13.store/
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http://xsedfgtbh14.store/
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http://iknhyghggh15.store/
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http://wnlonevkiju16.site/
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http://gfyufuhhihioh17.site/
-
http://nsgiuwrevi18.site/
-
http://oiureveiuv19.site/
-
http://ovrnevnriuen20.site/
Extracted
-
raccoon
-
fe582536ec580228180f270f7cb80a867860e010
-
url4cnc
https://telete.in/xylichanjk
Signatures
- Raccoon
Simple but powerful infostealer which was very active in 2019.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 4 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 5 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9c8320799dd132d75c90ace01f53da6c.exe"C:\Users\Admin\AppData\Local\Temp\9c8320799dd132d75c90ace01f53da6c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9c8320799dd132d75c90ace01f53da6c.exe"C:\Users\Admin\AppData\Local\Temp\9c8320799dd132d75c90ace01f53da6c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
C:\Users\Admin\AppData\Roaming\cffagheC:\Users\Admin\AppData\Roaming\cffaghe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\cffagheC:\Users\Admin\AppData\Roaming\cffaghe2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
-
C:\Users\Admin\AppData\Local\Temp\1202.exeC:\Users\Admin\AppData\Local\Temp\1202.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\4C8B.exeC:\Users\Admin\AppData\Local\Temp\4C8B.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/644-116-0x0000000002B50000-0x0000000002BFE000-memory.dmp
memory/1284-132-0x0000000000400000-0x0000000002B86000-memory.dmp
memory/1284-131-0x00000000047F0000-0x000000000487F000-memory.dmp
memory/1468-123-0x0000000002C80000-0x0000000002DCA000-memory.dmp
memory/3092-127-0x0000000002890000-0x00000000028A6000-memory.dmp
memory/3092-117-0x0000000000A50000-0x0000000000A66000-memory.dmp
memory/3248-114-0x0000000000400000-0x0000000000409000-memory.dmp