Analysis
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max time kernel
160s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 07:50
Static task
static1
Behavioral task
behavioral1
Sample
ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe
Resource
win7-20221111-en
General
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Target
ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe
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Size
2.1MB
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MD5
ead4c9c97f62257ad9137e60ad3d2129
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SHA1
2d113b35245c339d74fba5cb278f263845bbf56e
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SHA256
ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1
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SHA512
e85696520f30956c7191ac826715cb45d0d043e1d3ef6fee673048994321e39819e074a393fb4000c7663f55465d3f8f1a5f444cda6803f6d9a5ac34f7953a2c
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SSDEEP
24576:h1OYdaOWTwLleYkTVug2PiL0jHM8WK5z6Sh19BUfOD4XRt1otyBNvJvMXzGK5IhR:h1OstLARTQ9PimJWtShQnvQsruA
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Krqc3oRlvdCtkfv.exepid process 4180 Krqc3oRlvdCtkfv.exe -
Loads dropped DLL 3 IoCs
Processes:
Krqc3oRlvdCtkfv.exeregsvr32.exeregsvr32.exepid process 4180 Krqc3oRlvdCtkfv.exe 3400 regsvr32.exe 1780 regsvr32.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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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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Drops Chrome extension 5 IoCs
Processes:
Krqc3oRlvdCtkfv.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\2.0\manifest.json Krqc3oRlvdCtkfv.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\2.0\manifest.json Krqc3oRlvdCtkfv.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\2.0\manifest.json Krqc3oRlvdCtkfv.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\2.0\manifest.json Krqc3oRlvdCtkfv.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\jgnkdnfamedbnecdcmjlpbefpkfkjgeg\2.0\manifest.json Krqc3oRlvdCtkfv.exe -
Installs/modifies Browser Helper Object 2 TTPs 9 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exeKrqc3oRlvdCtkfv.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} Krqc3oRlvdCtkfv.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ Krqc3oRlvdCtkfv.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{DBC80044-A445-435B-BC74-9C25C1C588A9} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} Krqc3oRlvdCtkfv.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects Krqc3oRlvdCtkfv.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} regsvr32.exe -
Drops file in Program Files directory 8 IoCs
Processes:
Krqc3oRlvdCtkfv.exedescription ioc process File opened for modification C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.dll Krqc3oRlvdCtkfv.exe File created C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.tlb Krqc3oRlvdCtkfv.exe File opened for modification C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.tlb Krqc3oRlvdCtkfv.exe File created C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.dat Krqc3oRlvdCtkfv.exe File opened for modification C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.dat Krqc3oRlvdCtkfv.exe File created C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll Krqc3oRlvdCtkfv.exe File opened for modification C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll Krqc3oRlvdCtkfv.exe File created C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.dll Krqc3oRlvdCtkfv.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Krqc3oRlvdCtkfv.exepid process 4180 Krqc3oRlvdCtkfv.exe 4180 Krqc3oRlvdCtkfv.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exeKrqc3oRlvdCtkfv.exeregsvr32.exedescription pid process target process PID 364 wrote to memory of 4180 364 ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe Krqc3oRlvdCtkfv.exe PID 364 wrote to memory of 4180 364 ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe Krqc3oRlvdCtkfv.exe PID 364 wrote to memory of 4180 364 ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe Krqc3oRlvdCtkfv.exe PID 4180 wrote to memory of 3400 4180 Krqc3oRlvdCtkfv.exe regsvr32.exe PID 4180 wrote to memory of 3400 4180 Krqc3oRlvdCtkfv.exe regsvr32.exe PID 4180 wrote to memory of 3400 4180 Krqc3oRlvdCtkfv.exe regsvr32.exe PID 3400 wrote to memory of 1780 3400 regsvr32.exe regsvr32.exe PID 3400 wrote to memory of 1780 3400 regsvr32.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe"C:\Users\Admin\AppData\Local\Temp\ad4aaabccda84d5236967b2d613e406cddb97516655e1bb36b31612ee50973d1.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:364 -
C:\Users\Admin\AppData\Local\Temp\7zSC6EE.tmp\Krqc3oRlvdCtkfv.exe.\Krqc3oRlvdCtkfv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSave\JGJnIdCqVkIGbt.x64.dll"4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:1780
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
5KB
MD5d90078b0a199de42768a2060381f0b51
SHA1a336ce90fc165c37c369829907c43805bb295713
SHA256939ba754651adb633b0cc38f59213448bc9f55d4a7a0dce093d6f5f70183d2a0
SHA5128bcaed3f6934578df5ae62308fa08201eeaa5254f35518fce1f91b7fb6290af529e27209acaf4f72d20cf888118b08dfb8a9ca9777e0b4c1c4b976411ded0a33
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Filesize
611KB
MD5123fde8f1a45be2f971b36a8ae5457ef
SHA178f77c976bec0b388407f986e7866818512eec97
SHA25612869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e
SHA5124ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9
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Filesize
693KB
MD5c59945c3f5074d51077f2d598680aa11
SHA17d2ab4599f476d9da677283bdfcff5164a30b2e7
SHA25610658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b
SHA512d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61
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Filesize
693KB
MD5c59945c3f5074d51077f2d598680aa11
SHA17d2ab4599f476d9da677283bdfcff5164a30b2e7
SHA25610658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b
SHA512d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61
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Filesize
693KB
MD5c59945c3f5074d51077f2d598680aa11
SHA17d2ab4599f476d9da677283bdfcff5164a30b2e7
SHA25610658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b
SHA512d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61
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C:\Users\Admin\AppData\Local\Temp\7zSC6EE.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSC6EE.tmp\[email protected]\chrome.manifest
Filesize35B
MD5df360a8a74b6b11acf7b4d112b5cd4f9
SHA1cf98feadca04f29f8192b0d99767879438c0ed7d
SHA256102679c51775a9b88260a609239ac7e918bd8ec25d2ac4de59707e3d33caa1a7
SHA5121e969f707f1b0dd9a64916b69356b61889603d0becdbd54964345bd69c6d99deed58ead62547cf684a40ee43b464776db0d792f4bc74ad36b08b501b29fc6f8f
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C:\Users\Admin\AppData\Local\Temp\7zSC6EE.tmp\[email protected]\content\bg.js
Filesize7KB
MD580e1eb989693ae2cc76e7e25f1f103e3
SHA19c744548fa68717e20b518e67f76adbc73391961
SHA256db7b43bc63e06042a6ee77c1bae808e1ef2ec1d4a7f4a09cb6505699bfc2e2aa
SHA5123c73caf7a1eb5441bbb7f7047a26575e12a35f2bb44e6f44342fc641407d7ca9556d6dd849ece3de0a38353806bce49157099e3b3bf868ec3b2e0dbea0a2e4f9
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C:\Users\Admin\AppData\Local\Temp\7zSC6EE.tmp\[email protected]\install.rdf
Filesize592B
MD5eec5aa5cee7f3c64d08f9f0c9dd7cd01
SHA13ee7da437c2dcef6257dd2d6519ce324bc2e7f67
SHA2568ba35bda63ab0bfd27a665e8e48aca0e07a9383651a6b14e45bd078eb5eed3d4
SHA5121162f838f6c1a739c8282b20ddc893b02f61b9ed24c9e4d701e27fbafa939cc2e5483ce6cbb2b06aa9dca8a1761cd39c5917f609f98733054130ca315a2d9a0d
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Filesize
611KB
MD5123fde8f1a45be2f971b36a8ae5457ef
SHA178f77c976bec0b388407f986e7866818512eec97
SHA25612869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e
SHA5124ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9
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Filesize
3KB
MD5d5c4233a6c3de331b459f5f6a35ae3dd
SHA1b5f1bf145f4e0896d7ae500abecbfaca715c18ab
SHA256f3fca93b2a2848af13dcd30cad6305d20319d0a96f622f96753c1aebb91c885c
SHA5124af48daa80dcd76cf45018d7edef74f35c5917457dd598f5a2071bba8875d75280326e41f3f5885d5301a596c22a3833cb062e2f4c97e0d83a01ad2644056e76
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Filesize
693KB
MD5c59945c3f5074d51077f2d598680aa11
SHA17d2ab4599f476d9da677283bdfcff5164a30b2e7
SHA25610658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b
SHA512d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61
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Filesize
5KB
MD5d90078b0a199de42768a2060381f0b51
SHA1a336ce90fc165c37c369829907c43805bb295713
SHA256939ba754651adb633b0cc38f59213448bc9f55d4a7a0dce093d6f5f70183d2a0
SHA5128bcaed3f6934578df5ae62308fa08201eeaa5254f35518fce1f91b7fb6290af529e27209acaf4f72d20cf888118b08dfb8a9ca9777e0b4c1c4b976411ded0a33
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Filesize
634KB
MD58b3b2e0c8e5f6fdefb32e82daf230175
SHA14ddeb5ed636661376b8e1ef41e5162387724ed44
SHA256e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99
SHA5128aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038
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Filesize
634KB
MD58b3b2e0c8e5f6fdefb32e82daf230175
SHA14ddeb5ed636661376b8e1ef41e5162387724ed44
SHA256e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99
SHA5128aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038
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Filesize
5KB
MD518e883ae1e785f21e3c31e82643bb242
SHA12d1a685e166884ad02585c5f813b8301e885e198
SHA2562e7aa3441083412691955616e08d55084ff4bb581a7dc86ee7735958881cf21d
SHA512657266643d395dc9a851c7cc30b4f1eb11be98bed4a9997cd91398c33b966c2781e6cc5911c458f421e191b6e9aa45226f62c84a99e13ceff4147066e04a2620
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Filesize
142B
MD586e86fd63ae44c12ba0b8b3760b57fda
SHA187117e50c2797b2353be581a49e340796bc6834a
SHA256b7946327ce6f34daa9aefdbb13380feb3c345eea83fc910640ee10e7f5c6143f
SHA512e7732803c080b05f2d808d898b31e85237c385174ce64e854df85a44f4bd324bd687fd411095165b780d99ab91a76efbe26320e3e3312aa6c5081320c4fe79ec
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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Filesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a