Analysis
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max time kernel
35s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 19:00
Static task
static1
Behavioral task
behavioral1
Sample
cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe
Resource
win7-20220812-en
General
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Target
cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe
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Size
931KB
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MD5
e8c84291783342fd0f3a09f94a16fa19
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SHA1
4c06ad91a5724d5ffdf90449c435a5a9e5e7d812
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SHA256
cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc
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SHA512
4cc876ff27ee02257e71c04765d749b0f9875e323435430a2ba4b3f8b0fd0d52d23f32b70742cf45607118a5a09917e84bb9435f1675028678110041f8250201
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SSDEEP
24576:h1OYdaO2CZ/iWCvu/2sWsJA/jlt+DHhs/:h1OsYCpYO/dJJDHhs/
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
bytyjVmiaVIDrcW.exepid process 1112 bytyjVmiaVIDrcW.exe -
Loads dropped DLL 1 IoCs
Processes:
cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exepid process 1316 cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.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 3 IoCs
Processes:
bytyjVmiaVIDrcW.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\mnjmcepcnbihebfpkifoljacdohcdajh\2.0\manifest.json bytyjVmiaVIDrcW.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\mnjmcepcnbihebfpkifoljacdohcdajh\2.0\manifest.json bytyjVmiaVIDrcW.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\mnjmcepcnbihebfpkifoljacdohcdajh\2.0\manifest.json bytyjVmiaVIDrcW.exe -
Drops file in System32 directory 4 IoCs
Processes:
bytyjVmiaVIDrcW.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI bytyjVmiaVIDrcW.exe File opened for modification C:\Windows\System32\GroupPolicy bytyjVmiaVIDrcW.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini bytyjVmiaVIDrcW.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol bytyjVmiaVIDrcW.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
bytyjVmiaVIDrcW.exepid process 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe 1112 bytyjVmiaVIDrcW.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
bytyjVmiaVIDrcW.exedescription pid process Token: SeDebugPrivilege 1112 bytyjVmiaVIDrcW.exe Token: SeDebugPrivilege 1112 bytyjVmiaVIDrcW.exe Token: SeDebugPrivilege 1112 bytyjVmiaVIDrcW.exe Token: SeDebugPrivilege 1112 bytyjVmiaVIDrcW.exe Token: SeDebugPrivilege 1112 bytyjVmiaVIDrcW.exe Token: SeDebugPrivilege 1112 bytyjVmiaVIDrcW.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exedescription pid process target process PID 1316 wrote to memory of 1112 1316 cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe bytyjVmiaVIDrcW.exe PID 1316 wrote to memory of 1112 1316 cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe bytyjVmiaVIDrcW.exe PID 1316 wrote to memory of 1112 1316 cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe bytyjVmiaVIDrcW.exe PID 1316 wrote to memory of 1112 1316 cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe bytyjVmiaVIDrcW.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe"C:\Users\Admin\AppData\Local\Temp\cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\bytyjVmiaVIDrcW.exe.\bytyjVmiaVIDrcW.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\1XHy@LKWOE0.org\bootstrap.jsFilesize
2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\1XHy@LKWOE0.org\chrome.manifestFilesize
35B
MD598aff7329f60b7f11e47a8a939571ee1
SHA15dd3b9842ee055bb4483899928e5652134d46897
SHA2564825d09cc2dd129deda8943b3c8484e3c2a2e6f6f20d9a69ab1e1a2e4b326820
SHA51297cdbd7b0bfaabea72826576e8d2ab32490e9301200a5052946eabea2e342f9bbd72b0ba510c399b10c5395ae4af6fddc9d32d08e5cd9c3caa6ac7da7c5cd965
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\1XHy@LKWOE0.org\content\bg.jsFilesize
8KB
MD507da9b8aa1b0574f3645284288a92fc2
SHA1497668063cecbc1c6dc21abc4a882198fdc8f39e
SHA2565beebb4fdf41b0c21ecfa44e12c00f704a7f1ac26f811791be74d2ca8d078ed9
SHA512260f2dc711c68cb7911ccd57283ba521cef0897031a12ca516524ba5350d5e65a4c2f427a19aa97d3962024df5641fd2bd214456b7e7d7af298c131d52db1772
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\1XHy@LKWOE0.org\install.rdfFilesize
598B
MD55ceae822474ee5cbe70ca6923ea4e2ec
SHA13df5ff827c46b6567cf988400275fe5db6e2669a
SHA25610a056ca3781e969b054e924cffee7bf7ffb4d773151c80036148e8c764f7065
SHA5129807d70150e820ed0291d89fa67c0f490add0e117523fc0bc51eb3125e9eb122e4e3424367dc2caa64b2e2c426ac316f64cc5dbcf332ce31585ffe966a88709c
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\bytyjVmiaVIDrcW.datFilesize
1KB
MD59ae4ac4686451b1821ddf60ca1b937ee
SHA196578189168b7ab753f7bb538a6e4f80f68b268e
SHA25641ba80a956d0440a185455f0e5b0256fec5ca989860418c9a6cb4b055385c46e
SHA5123b9f2462a448aa3c0e466d1d2bedb258436fa7931ed026a3724067a1b729a63482932d9c518486b3182798b22e70100f2c1501f225081616a469f50adcad29c9
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\bytyjVmiaVIDrcW.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\background.htmlFilesize
140B
MD5b195960253acc9f335d5abb5c72df151
SHA134dc5a131c282dd89a55b3908fe957c685aa6b1e
SHA256d5480308e554f75b148b9fe4b5fe18314572dd6dc4bc50c0dac6602fca862d75
SHA512f9fcec634f9269b7c1ddec76844eeacb1d98673bae3c6fb2ce4669eb4762fa2a15fc67d3157fa2fb1ad407102f82c719e541f27a06ad1a2996777af70d171bfb
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\content.jsFilesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\lsdb.jsFilesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\manifest.jsonFilesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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C:\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\pd6.jsFilesize
6KB
MD5c344b41663813f10aa5c2806016efbbf
SHA1a70d6a12a95267278c64bd3228f25342833c17b8
SHA256fe2dbb88085ef5fd7aeff4a63442c7ba72103b9f22dd6faf7b592e87cd812c64
SHA5126b624bb7dc7f6a23c61ac271b15ffd40e59fc8193a554e8e555490ec7cb43a1301baee1527b3fed7a75515c9a0d27210ab5ea5442b6efd6063f0bb840c18ffa3
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\Users\Admin\AppData\Local\Temp\7zS5BC7.tmp\bytyjVmiaVIDrcW.exeFilesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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memory/1112-56-0x0000000000000000-mapping.dmp
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memory/1316-54-0x00000000762B1000-0x00000000762B3000-memory.dmpFilesize
8KB