Analysis
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max time kernel
128s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 08:06
Static task
static1
Behavioral task
behavioral1
Sample
cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e.exe
Resource
win7-20220812-en
General
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Target
cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e.exe
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Size
924KB
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MD5
04d7a67ff2bdacab4baf5a84a9478f22
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SHA1
4c4f918aba7c8ca224cb8f0ee9790702aad11f65
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SHA256
cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e
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SHA512
f94bb43f4614fb5e1f673b4d2c82b6f4b88bf355751198132b659a6e68b2d22e8b014c2407d24dd169196bf4e97736c5fdf858bcf5339a55d4f299b5d527c742
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SSDEEP
24576:h1OYdaOCfC5S9N6w6EVX1Lh+mN5Z4E8IlIyYuXP:h1OsDMN6wdBh5N5Z4E8PuXP
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
z9wWLYevW1jwaFb.exepid process 3252 z9wWLYevW1jwaFb.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:
z9wWLYevW1jwaFb.exedescription ioc process File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\cfhmhcdidbkjealigahcdphamhlbdbam\2.0\manifest.json z9wWLYevW1jwaFb.exe File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\cfhmhcdidbkjealigahcdphamhlbdbam\2.0\manifest.json z9wWLYevW1jwaFb.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\cfhmhcdidbkjealigahcdphamhlbdbam\2.0\manifest.json z9wWLYevW1jwaFb.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\cfhmhcdidbkjealigahcdphamhlbdbam\2.0\manifest.json z9wWLYevW1jwaFb.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\cfhmhcdidbkjealigahcdphamhlbdbam\2.0\manifest.json z9wWLYevW1jwaFb.exe -
Drops file in System32 directory 4 IoCs
Processes:
z9wWLYevW1jwaFb.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy z9wWLYevW1jwaFb.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini z9wWLYevW1jwaFb.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol z9wWLYevW1jwaFb.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI z9wWLYevW1jwaFb.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
z9wWLYevW1jwaFb.exepid process 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe 3252 z9wWLYevW1jwaFb.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
z9wWLYevW1jwaFb.exedescription pid process Token: SeDebugPrivilege 3252 z9wWLYevW1jwaFb.exe Token: SeDebugPrivilege 3252 z9wWLYevW1jwaFb.exe Token: SeDebugPrivilege 3252 z9wWLYevW1jwaFb.exe Token: SeDebugPrivilege 3252 z9wWLYevW1jwaFb.exe Token: SeDebugPrivilege 3252 z9wWLYevW1jwaFb.exe Token: SeDebugPrivilege 3252 z9wWLYevW1jwaFb.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e.exedescription pid process target process PID 4764 wrote to memory of 3252 4764 cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e.exe z9wWLYevW1jwaFb.exe PID 4764 wrote to memory of 3252 4764 cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e.exe z9wWLYevW1jwaFb.exe PID 4764 wrote to memory of 3252 4764 cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e.exe z9wWLYevW1jwaFb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e.exe"C:\Users\Admin\AppData\Local\Temp\cbfbdf47238e6acbefdbe8ece64cc4f07c7f7c77519f9dedfffd06d5e097252e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Users\Admin\AppData\Local\Temp\7zSF988.tmp\z9wWLYevW1jwaFb.exe.\z9wWLYevW1jwaFb.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3252
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3980
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:556
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
6KB
MD5ced8a7b42e544895e70cc2edc7777748
SHA1734dbcc3b64ecbfa55791d9ecbd492b8233687d1
SHA256d9a1f61882d4c4975839763cc7361d135c52c5b7970799508290e7f86ef0a0ee
SHA51236cef118c4ee2b27ed74f9d9dbde08e38cae59bf37499f5b2dcb582b7efb701ed6c7419ac346fc5d6732a33690840e229527562ba1c29852ce355fcc67e84256
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Filesize
138B
MD55b20647745785bcb1751ef5b08974d41
SHA106496283131d57474a01c5ff94016ed138a8acbe
SHA256a7e45527765321b5943d2a3da8a9412965391e29d5615b51335cee9cb6b4dec5
SHA512e43de57075993e79f6667b0d8cd29387337b02a11ed95434dbcc8e84f07153f588b0c4eec0072e4cb81e9be8613746b4d1e878055cc2afcb5a1f1c988637259b
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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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C:\Users\Admin\AppData\Local\Temp\7zSF988.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSF988.tmp\[email protected]\chrome.manifest
Filesize35B
MD50d5272b1884bbf845f4ac8b74cc3de41
SHA1ab447f29736e2fb99615b1e187a925d749153eee
SHA25673cf306d97912bab4d9e746837388bbb51baff3b55cdb11a3ad577a922eb39b7
SHA5123310f9d689e12585f77e014d5d41ba463b8b5f675e8851f703a673bafd504553ffcd340cbf10f7877beb644256a84a0501bff083bf072012ac1e40747cbe274e
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C:\Users\Admin\AppData\Local\Temp\7zSF988.tmp\[email protected]\content\bg.js
Filesize8KB
MD5e3c92011aacfb6caa1ec1bc88f29e995
SHA17d74370344bfca49cb85a7cbedc097a5b9e5d7be
SHA256a50d25581791eeeb1e812c7b3209ee21c1762821c5dd2ed8db6aed3cf85e5229
SHA5121ded68ca9daa28684c9a8e13b203d89eb2cb4b7dd839535084f67450836150c49b8d543e489f364776863e8e48588387a37ae97c1ccd280c5c8854379d76269a
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C:\Users\Admin\AppData\Local\Temp\7zSF988.tmp\[email protected]\install.rdf
Filesize598B
MD57952094294ea271addef27a787828e53
SHA10c62f8758267b42598163e4ed7fb2dd24f12f887
SHA25610a54c1dbc11f35f0a83388d15c5df7b740d11ae0a4862b882f091017e9b516b
SHA512d7e82c1fc9dd280e62f0bf6983edef8a875980e986d9e0f7e1e9df86004ecff17399adbbb5e90c501f8e8a8516515cd9c6be31ea88c852ebb8a4b84be50bbebe
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Filesize
1KB
MD56139ffd94ffe65ea067986e17932d3a8
SHA14519aaeefbc3b8f9bf75d5aa5d698c4d2e3eeeac
SHA256bbcd0d654fb758426752559248fad637d357dedd5b18aff64dff576929981981
SHA5129a0735b70f7f7896e9195eb06b04750323caa4181bb5d1db2a77284b5907600d74feeb77870495b617a7d2e97d8cf38a07a894a1942c17ba91cb053fc0463892
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Filesize
765KB
MD521c7e6ab35acdb8d15ac0590900c5206
SHA1bd696ab0d1806c5492b4444d96fe272f217f4058
SHA256314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec
SHA512775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd
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Filesize
765KB
MD521c7e6ab35acdb8d15ac0590900c5206
SHA1bd696ab0d1806c5492b4444d96fe272f217f4058
SHA256314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec
SHA512775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd