Analysis
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max time kernel
11s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 21:16
Static task
static1
Behavioral task
behavioral1
Sample
a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe
Resource
win7-20221111-en
General
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Target
a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe
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Size
919KB
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MD5
2a1fee31c6eb557f7acc7f14c2f855c6
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SHA1
869ab4a9df8a005719b85da1663e7d5c4ed45a73
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SHA256
a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c
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SHA512
3ce763d20a96a8f74b166d2a8d9927de385d84b3644380db5fea4c7b93d2d4268e0c2063a7a62cba843e20e1df9455562772bde50c6bf88633c17abd000aff74
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SSDEEP
24576:h1OYdaOOMtdHAqcdDVhYwiei7+EpFAh/kK5:h1OsHPHVmVhYwiLtKkK5
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
grzoMTAnf20WBuq.exepid process 1896 grzoMTAnf20WBuq.exe -
Loads dropped DLL 1 IoCs
Processes:
a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exepid process 2040 a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.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:
grzoMTAnf20WBuq.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\bdnnonjiabcbaifihegpegaomlbfjjli\2.0\manifest.json grzoMTAnf20WBuq.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\bdnnonjiabcbaifihegpegaomlbfjjli\2.0\manifest.json grzoMTAnf20WBuq.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\bdnnonjiabcbaifihegpegaomlbfjjli\2.0\manifest.json grzoMTAnf20WBuq.exe -
Drops file in System32 directory 4 IoCs
Processes:
grzoMTAnf20WBuq.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy grzoMTAnf20WBuq.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini grzoMTAnf20WBuq.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol grzoMTAnf20WBuq.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI grzoMTAnf20WBuq.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
grzoMTAnf20WBuq.exepid process 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe 1896 grzoMTAnf20WBuq.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
grzoMTAnf20WBuq.exedescription pid process Token: SeDebugPrivilege 1896 grzoMTAnf20WBuq.exe Token: SeDebugPrivilege 1896 grzoMTAnf20WBuq.exe Token: SeDebugPrivilege 1896 grzoMTAnf20WBuq.exe Token: SeDebugPrivilege 1896 grzoMTAnf20WBuq.exe Token: SeDebugPrivilege 1896 grzoMTAnf20WBuq.exe Token: SeDebugPrivilege 1896 grzoMTAnf20WBuq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exedescription pid process target process PID 2040 wrote to memory of 1896 2040 a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe grzoMTAnf20WBuq.exe PID 2040 wrote to memory of 1896 2040 a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe grzoMTAnf20WBuq.exe PID 2040 wrote to memory of 1896 2040 a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe grzoMTAnf20WBuq.exe PID 2040 wrote to memory of 1896 2040 a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe grzoMTAnf20WBuq.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe"C:\Users\Admin\AppData\Local\Temp\a514ec5cb4574f527ca18869a8dfc1c690bd0297fcaac7c53c388c8e08f9731c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\grzoMTAnf20WBuq.exe.\grzoMTAnf20WBuq.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1896
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
6KB
MD583a8a527ef00a543ac149a564578a94c
SHA195f5f10885be99e404aaedc6567f411f0985b085
SHA256f46dab382c751bfdbcb386cfb5159e8103af4076d630fc2f566430491c233c9c
SHA5127f75532ebec60e6727c64a734a998dc66f450a6d4d96db39ccfc541f75ffaec5efbf999af774a55b4e7ae5de52db3e2a8415b86cd6bd80aae4383be5f4a9835c
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Filesize
147B
MD58c4997a736e94640fe3b6409964743d8
SHA12bf4ad0e5ce5e04c06bd167ede005327d478847f
SHA256a526849000d44e21e1c69234bb0da1799a9b235d9ebe55defc85c62744ba808c
SHA5120e29144bdf3492f9719012acc6b0658201ec72639989b763a48faaefba54b5cce7934e7d9b02ff7ee52615d137cf2625e498634cb0305293401e45d5c081715f
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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
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Filesize
1KB
MD556358dd7744e25b7650435b6a98ae2ce
SHA1bf9644260ff0dd77cc3fc510fbebc4c9d4695dcc
SHA256e1bccab867cba2f5c65e2d1b62a8856071ab6adbdb6b9d8349d12777fde59f03
SHA512c1a8fb055a119b949b2c2dfc69d380eed68cb37cc5af23d258c3d37230a5b778df6c94b2cef35c9206cfb6a4551dc2caf26988da65cc397f787aaf256eea293d
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Filesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886
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C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\[email protected]\chrome.manifest
Filesize35B
MD5c59d94cdd45c9b954943e0f88bb3dee8
SHA1b93c8dd8b8c54d97511aba5f80d880c33c087d39
SHA25642fb6b19134e922ef028cc5471ad44fd24ed0d4ecb24dc4e9d37dc8cd278e53b
SHA512aa0c46100f6aa45da64e82c1136cd0fca0ba8e54d623966fd036c4ddf5c705e827df5aff9f74db9ec5d60eb426bc1d86d16f2a29252a16f126302f04aede4310
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C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\[email protected]\content\bg.js
Filesize8KB
MD5f8ce2b3d9ab548531f9fc4ab06f28113
SHA17eddf24a187dedf537c33626278f313a98ed0bc8
SHA256255adb8074ab6e777a67fbf6681ff34b4a2b4ccbac5eed94eef73e9700f2fee8
SHA512e501050d401c3be31884aaf37c17a2edc462be98febdbcd8b3c10f7ac055083e0135317459b46b1461fb30956acadee4e38a2c00572b658d1bdf79c0f9a314bd
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C:\Users\Admin\AppData\Local\Temp\7zS6C4B.tmp\[email protected]\install.rdf
Filesize594B
MD591adf612b1527bd32925e3148aa64aa9
SHA18fe6586951a64e400fcf6531c4f53354ac18b047
SHA256162aaddb40622943fad9a64efc45d607b3b8e98564c11bfcd630faa8e7ff9296
SHA5123bb8fb6a0e3abdea4e23054bd4149e3cd8c31df4066e6a7ede1f96cd257351f9bfdbbc69976bae5d25c86c13742579d0d725d65616015e64f86d4806ea8da74a
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Filesize
760KB
MD5dcd148f6f3af3e3b0935c4fcc9f41811
SHA1ee9bdbc7c568c7832d90b85921ab20030b6734cd
SHA256f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4
SHA51234be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886