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Analysis
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max time kernel
164s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
31/07/2022, 05:11
Static task
static1
Behavioral task
behavioral1
Sample
ghjk.exe
Resource
win7-20220718-en
General
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Target
ghjk.exe
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Size
1004KB
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MD5
08802514f3c2c303d54e4a47a8db54f2
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SHA1
ebe7c3ac64ce312ca370bcd07d49de5ad1369d93
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SHA256
28455b1a0b29240e95877cff96528b3a196f0cf3a63d9980dc70349cdc0e1e74
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SHA512
1ce0f58fa1f50debdff44222b70a4870b7ddb76a21f32d78ccecc2315bf005813bfb37032629e4360a928c61479b72237ac792e904b8c34fc089f73d5721f191
Malware Config
Extracted
raccoon
8a4fd4b44997ba634230ba5c422ca9f2
http://193.106.191.146/
http://185.215.113.89/
Extracted
arkei
Default
Signatures
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Raccoon Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/3844-141-0x0000000000400000-0x0000000000411000-memory.dmp family_raccoon -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3160 nfdsame.exe 3396 nfdsame.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation ghjk.exe -
Loads dropped DLL 3 IoCs
pid Process 3844 ghjk.exe 3844 ghjk.exe 3844 ghjk.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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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 732 set thread context of 3844 732 ghjk.exe 88 PID 3160 set thread context of 3396 3160 nfdsame.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 732 ghjk.exe 3160 nfdsame.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 732 ghjk.exe 3160 nfdsame.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 732 wrote to memory of 3160 732 ghjk.exe 85 PID 732 wrote to memory of 3160 732 ghjk.exe 85 PID 732 wrote to memory of 3160 732 ghjk.exe 85 PID 3160 wrote to memory of 3396 3160 nfdsame.exe 89 PID 3160 wrote to memory of 3396 3160 nfdsame.exe 89 PID 3160 wrote to memory of 3396 3160 nfdsame.exe 89 PID 732 wrote to memory of 3844 732 ghjk.exe 88 PID 732 wrote to memory of 3844 732 ghjk.exe 88 PID 732 wrote to memory of 3844 732 ghjk.exe 88 PID 732 wrote to memory of 3844 732 ghjk.exe 88 PID 3160 wrote to memory of 3396 3160 nfdsame.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\ghjk.exe"C:\Users\Admin\AppData\Local\Temp\ghjk.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Users\Admin\AppData\Local\Temp\nfdsame.exe"C:\Users\Admin\AppData\Local\Temp\nfdsame.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Users\Admin\AppData\Local\Temp\nfdsame.exe"C:\Users\Admin\AppData\Local\Temp\nfdsame.exe"3⤵
- Executes dropped EXE
PID:3396
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C:\Users\Admin\AppData\Local\Temp\ghjk.exe"C:\Users\Admin\AppData\Local\Temp\ghjk.exe"2⤵
- Loads dropped DLL
PID:3844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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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
556KB
MD5a98781c107b2ace080273819b6686301
SHA1aec10de615dc75204d257ee743cdc0e0936e8bf9
SHA256200b2ed6014cf60dbc87aa964adc53304c9731a0ec90122383781b03bfb1f97a
SHA512cca490fe092d5b7215687daba47b8a79c54e3194af17e14200c544ce0cf24f5b9622611dd230e0111a59736961e836bb8b734bfadf893f3f1ebbf6ea0323f67a
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Filesize
556KB
MD5a98781c107b2ace080273819b6686301
SHA1aec10de615dc75204d257ee743cdc0e0936e8bf9
SHA256200b2ed6014cf60dbc87aa964adc53304c9731a0ec90122383781b03bfb1f97a
SHA512cca490fe092d5b7215687daba47b8a79c54e3194af17e14200c544ce0cf24f5b9622611dd230e0111a59736961e836bb8b734bfadf893f3f1ebbf6ea0323f67a
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Filesize
556KB
MD5a98781c107b2ace080273819b6686301
SHA1aec10de615dc75204d257ee743cdc0e0936e8bf9
SHA256200b2ed6014cf60dbc87aa964adc53304c9731a0ec90122383781b03bfb1f97a
SHA512cca490fe092d5b7215687daba47b8a79c54e3194af17e14200c544ce0cf24f5b9622611dd230e0111a59736961e836bb8b734bfadf893f3f1ebbf6ea0323f67a