Analysis
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max time kernel
25s -
max time network
29s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
27-03-2023 01:59
Behavioral task
behavioral1
Sample
afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe
Resource
win7-20230220-en
General
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Target
afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe
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Size
20.0MB
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MD5
aad928ec7a88f5570de0bfaa270d0548
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SHA1
084453356043aac2acf583ee9a543275ecb3654a
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SHA256
afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc
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SHA512
85ce4046d9ac49b2ce38c035276b3597b157d1e0b59153d65a29c8671a1197ec3f32d13c466c725e1cd97a97a2697ebf8d12663486d87db086363237cbbc6f6a
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SSDEEP
98304:3Vde8FivCeGDRsiSc/XBgZrzyWGgRSL6O2jSk6adBNWuz+VRD0MbQY:HZFwAur6XBazEgRSSjS5aT1z+/D0yQY
Malware Config
Extracted
raccoon
540b1db0b12b23e63e6942952aa03e47
http://45.9.74.36/
http://45.9.74.34/
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
1lJo9fV3.exepid process 1556 1lJo9fV3.exe -
Loads dropped DLL 5 IoCs
Processes:
afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exepid process 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.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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Processes:
resource yara_rule behavioral1/memory/1960-54-0x0000000000400000-0x000000000091F000-memory.dmp vmprotect -
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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 10 IoCs
Processes:
afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe1lJo9fV3.execmd.exedescription pid process target process PID 1960 wrote to memory of 1556 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe 1lJo9fV3.exe PID 1960 wrote to memory of 1556 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe 1lJo9fV3.exe PID 1960 wrote to memory of 1556 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe 1lJo9fV3.exe PID 1960 wrote to memory of 1556 1960 afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe 1lJo9fV3.exe PID 1556 wrote to memory of 1656 1556 1lJo9fV3.exe cmd.exe PID 1556 wrote to memory of 1656 1556 1lJo9fV3.exe cmd.exe PID 1556 wrote to memory of 1656 1556 1lJo9fV3.exe cmd.exe PID 1656 wrote to memory of 440 1656 cmd.exe choice.exe PID 1656 wrote to memory of 440 1656 cmd.exe choice.exe PID 1656 wrote to memory of 440 1656 cmd.exe choice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe"C:\Users\Admin\AppData\Local\Temp\afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\1lJo9fV3.exe"C:\Users\Admin\AppData\Roaming\1lJo9fV3.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Roaming\1lJo9fV3.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\1lJo9fV3.exeFilesize
13.9MB
MD5809fd08e5f79d466a9246b7a793f691d
SHA13256eca2d1638d421bc53cbfcca50effc18b5cec
SHA256b532572f5b6417a242309c4a1bf5eef3eac6070626df9dd5b23c89d81592e2d8
SHA51293192b344bc02daa6b81e0ea8b009ffe8e193ec2561678620e0efde39b4a0b43b00db4c1bea5a1859318bb91d3d66fc806130cee139b7b2d6a7951401d329c53
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C:\Users\Admin\AppData\Roaming\1lJo9fV3.exeFilesize
13.9MB
MD5809fd08e5f79d466a9246b7a793f691d
SHA13256eca2d1638d421bc53cbfcca50effc18b5cec
SHA256b532572f5b6417a242309c4a1bf5eef3eac6070626df9dd5b23c89d81592e2d8
SHA51293192b344bc02daa6b81e0ea8b009ffe8e193ec2561678620e0efde39b4a0b43b00db4c1bea5a1859318bb91d3d66fc806130cee139b7b2d6a7951401d329c53
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\Users\Admin\AppData\LocalLow\mozglue.dllFilesize
612KB
MD5f07d9977430e762b563eaadc2b94bbfa
SHA1da0a05b2b8d269fb73558dfcf0ed5c167f6d3877
SHA2564191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
SHA5126afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf
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\Users\Admin\AppData\LocalLow\nss3.dllFilesize
1.9MB
MD5f67d08e8c02574cbc2f1122c53bfb976
SHA16522992957e7e4d074947cad63189f308a80fcf2
SHA256c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
SHA5122e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5
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\Users\Admin\AppData\LocalLow\sqlite3.dllFilesize
1.0MB
MD5dbf4f8dcefb8056dc6bae4b67ff810ce
SHA1bbac1dd8a07c6069415c04b62747d794736d0689
SHA25647b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
SHA512b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1
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\Users\Admin\AppData\Roaming\1lJo9fV3.exeFilesize
13.9MB
MD5809fd08e5f79d466a9246b7a793f691d
SHA13256eca2d1638d421bc53cbfcca50effc18b5cec
SHA256b532572f5b6417a242309c4a1bf5eef3eac6070626df9dd5b23c89d81592e2d8
SHA51293192b344bc02daa6b81e0ea8b009ffe8e193ec2561678620e0efde39b4a0b43b00db4c1bea5a1859318bb91d3d66fc806130cee139b7b2d6a7951401d329c53
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\Users\Admin\AppData\Roaming\1lJo9fV3.exeFilesize
13.9MB
MD5809fd08e5f79d466a9246b7a793f691d
SHA13256eca2d1638d421bc53cbfcca50effc18b5cec
SHA256b532572f5b6417a242309c4a1bf5eef3eac6070626df9dd5b23c89d81592e2d8
SHA51293192b344bc02daa6b81e0ea8b009ffe8e193ec2561678620e0efde39b4a0b43b00db4c1bea5a1859318bb91d3d66fc806130cee139b7b2d6a7951401d329c53
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memory/1556-102-0x0000000000FE0000-0x0000000001E30000-memory.dmpFilesize
14.3MB
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memory/1960-54-0x0000000000400000-0x000000000091F000-memory.dmpFilesize
5.1MB
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memory/1960-91-0x0000000061E00000-0x0000000061EF1000-memory.dmpFilesize
964KB