Analysis
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max time kernel
98s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
29/07/2022, 05:45
Static task
static1
Behavioral task
behavioral1
Sample
installer.exe
Resource
win7-20220718-en
General
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Target
installer.exe
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Size
15.5MB
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MD5
c35a4089299c96b97eb1257c9cfeeb7d
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SHA1
dbfbfec2fb507ab71cfa3cf25d0016a3e233a2a3
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SHA256
86c18ece485bd831afd99d3306c5a7944d34f3b36974458d390a76d7280d416b
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SHA512
fa0352da4f4b61aed28c915f5b0e55bc135a8773e229f38fb5b979d74be4749720724123944749bb1186d0f6edd44f4103e42818acddcb3006f05e484d18ec92
Malware Config
Extracted
raccoon
f0f70bdf46d27a5d3e549f9105928f1a
http://87.120.37.15/
Signatures
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Raccoon Stealer payload 5 IoCs
resource yara_rule behavioral2/memory/2036-139-0x0000000000DA0000-0x000000000184C000-memory.dmp family_raccoon behavioral2/memory/2036-140-0x0000000000DA0000-0x000000000184C000-memory.dmp family_raccoon behavioral2/memory/2036-142-0x0000000000DA0000-0x000000000184C000-memory.dmp family_raccoon behavioral2/memory/2036-146-0x0000000000DA0000-0x000000000184C000-memory.dmp family_raccoon behavioral2/memory/2036-150-0x0000000000DA0000-0x000000000184C000-memory.dmp family_raccoon -
YTStealer payload 3 IoCs
resource yara_rule behavioral2/memory/2596-151-0x00000000007B0000-0x0000000001588000-memory.dmp family_ytstealer behavioral2/memory/2596-152-0x00000000007B0000-0x0000000001588000-memory.dmp family_ytstealer behavioral2/memory/2596-154-0x00000000007B0000-0x0000000001588000-memory.dmp family_ytstealer -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2036 ebrfsdf.exe_c8ulm.exe 2596 f7457208.exe -
resource yara_rule behavioral2/files/0x000c000000022f46-149.dat upx behavioral2/files/0x000c000000022f46-148.dat upx behavioral2/memory/2596-151-0x00000000007B0000-0x0000000001588000-memory.dmp upx behavioral2/memory/2596-152-0x00000000007B0000-0x0000000001588000-memory.dmp upx behavioral2/memory/2596-154-0x00000000007B0000-0x0000000001588000-memory.dmp upx -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation installer.exe Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation ebrfsdf.exe_c8ulm.exe -
Loads dropped DLL 3 IoCs
pid Process 2036 ebrfsdf.exe_c8ulm.exe 2036 ebrfsdf.exe_c8ulm.exe 2036 ebrfsdf.exe_c8ulm.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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AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4624-131-0x0000000000230000-0x0000000001DA1000-memory.dmp autoit_exe behavioral2/memory/4624-130-0x0000000000230000-0x0000000001DA1000-memory.dmp autoit_exe behavioral2/memory/4624-134-0x0000000000230000-0x0000000001DA1000-memory.dmp autoit_exe behavioral2/memory/4624-138-0x0000000000230000-0x0000000001DA1000-memory.dmp autoit_exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 4624 installer.exe 4624 installer.exe 2036 ebrfsdf.exe_c8ulm.exe 2036 ebrfsdf.exe_c8ulm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4624 installer.exe 4624 installer.exe 2036 ebrfsdf.exe_c8ulm.exe 2036 ebrfsdf.exe_c8ulm.exe 2596 f7457208.exe 2596 f7457208.exe 2596 f7457208.exe 2596 f7457208.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 4624 installer.exe 4624 installer.exe 4624 installer.exe 4624 installer.exe 4624 installer.exe 4624 installer.exe -
Suspicious use of SendNotifyMessage 6 IoCs
pid Process 4624 installer.exe 4624 installer.exe 4624 installer.exe 4624 installer.exe 4624 installer.exe 4624 installer.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4624 wrote to memory of 2036 4624 installer.exe 89 PID 4624 wrote to memory of 2036 4624 installer.exe 89 PID 4624 wrote to memory of 2036 4624 installer.exe 89 PID 2036 wrote to memory of 2596 2036 ebrfsdf.exe_c8ulm.exe 99 PID 2036 wrote to memory of 2596 2036 ebrfsdf.exe_c8ulm.exe 99 PID 2596 wrote to memory of 3380 2596 f7457208.exe 100 PID 2596 wrote to memory of 3380 2596 f7457208.exe 100 PID 3380 wrote to memory of 4904 3380 cmd.exe 102 PID 3380 wrote to memory of 4904 3380 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\installer.exe"C:\Users\Admin\AppData\Local\Temp\installer.exe"1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\ProgramData\ebrfsdf.exe_c8ulm.exe"C:\ProgramData\ebrfsdf.exe_c8ulm.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Users\Admin\AppData\Local\Temp\f7457208.exe"C:\Users\Admin\AppData\Local\Temp\f7457208.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\f7457208.exe4⤵
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 05⤵PID:4904
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
6.8MB
MD5a64285b7c5e9aacd02714b59d65eacd7
SHA1dd6042010ce4f8bc26843198c7c294b3f82fd7b9
SHA25635ceeba35dd9cbefcd61e1d13df4d1f6b68047999501da3102966a42dbbc4c38
SHA51283a1bd168b47d0821eba7ee24ed821afdba0eda6ebcfbd7561c2691eb5d7d8660fefd056728ad63bcf09824bed78f8f19d601a68dfcfd8c7eac917d0d3298c9d
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Filesize
6.8MB
MD5a64285b7c5e9aacd02714b59d65eacd7
SHA1dd6042010ce4f8bc26843198c7c294b3f82fd7b9
SHA25635ceeba35dd9cbefcd61e1d13df4d1f6b68047999501da3102966a42dbbc4c38
SHA51283a1bd168b47d0821eba7ee24ed821afdba0eda6ebcfbd7561c2691eb5d7d8660fefd056728ad63bcf09824bed78f8f19d601a68dfcfd8c7eac917d0d3298c9d
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Filesize
612KB
MD5f07d9977430e762b563eaadc2b94bbfa
SHA1da0a05b2b8d269fb73558dfcf0ed5c167f6d3877
SHA2564191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
SHA5126afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf
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Filesize
1.9MB
MD5f67d08e8c02574cbc2f1122c53bfb976
SHA16522992957e7e4d074947cad63189f308a80fcf2
SHA256c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
SHA5122e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5
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Filesize
1.0MB
MD5dbf4f8dcefb8056dc6bae4b67ff810ce
SHA1bbac1dd8a07c6069415c04b62747d794736d0689
SHA25647b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
SHA512b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1
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Filesize
4.0MB
MD5c24ba1762d2da4b568a2e26f22f9c64f
SHA180109682d40260506b1c1b27aa0552c37c8b048c
SHA256a3399562b281d5dd39a742eebe7a9de6ae46360f6226c4e005f31e1d73c5f7e3
SHA5127dd08ee1a655cc7dc2f4090a99f572b2e5d733e5533fbfa372ad2b26a16df80165d53b403e03520551fdf6ef3884ab261e02a4e6e56799dac57d9c19c2cdb6fc
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Filesize
4.0MB
MD5c24ba1762d2da4b568a2e26f22f9c64f
SHA180109682d40260506b1c1b27aa0552c37c8b048c
SHA256a3399562b281d5dd39a742eebe7a9de6ae46360f6226c4e005f31e1d73c5f7e3
SHA5127dd08ee1a655cc7dc2f4090a99f572b2e5d733e5533fbfa372ad2b26a16df80165d53b403e03520551fdf6ef3884ab261e02a4e6e56799dac57d9c19c2cdb6fc