Analysis
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max time kernel
178s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 07:40
Static task
static1
Behavioral task
behavioral1
Sample
4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202.exe
Resource
win7-20221111-en
General
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Target
4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202.exe
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Size
2.5MB
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MD5
d7d492a9c1f94b971d60e072d20486ef
-
SHA1
31698354bb9fe6ae87ac8191f1fff665afdee364
-
SHA256
4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202
-
SHA512
f13ec6521bec4e8d813d1dea262bf4df728a139631b7974f48d2d63cd0ae3f5fc80070f554018190f88de5f9c798d0f5fff47dda91208d60a0f43cdb5aaf5e6a
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SSDEEP
49152:h1OszMN6wdBh5N5Z4E8PuXitzuS4xBoYfzdgZ6YLFz5i4U/jA0GQ3f:h1OyMNtdBZouS4xK/hQv
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
WjzYz7qMaVpgU43.exepid process 3712 WjzYz7qMaVpgU43.exe -
Loads dropped DLL 3 IoCs
Processes:
WjzYz7qMaVpgU43.exeregsvr32.exeregsvr32.exepid process 3712 WjzYz7qMaVpgU43.exe 4180 regsvr32.exe 3564 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.
-
Drops Chrome extension 5 IoCs
Processes:
WjzYz7qMaVpgU43.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ijcmmdddmlppiicfaikgfnobhbnipeim\2.0\manifest.json WjzYz7qMaVpgU43.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ijcmmdddmlppiicfaikgfnobhbnipeim\2.0\manifest.json WjzYz7qMaVpgU43.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ijcmmdddmlppiicfaikgfnobhbnipeim\2.0\manifest.json WjzYz7qMaVpgU43.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ijcmmdddmlppiicfaikgfnobhbnipeim\2.0\manifest.json WjzYz7qMaVpgU43.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ijcmmdddmlppiicfaikgfnobhbnipeim\2.0\manifest.json WjzYz7qMaVpgU43.exe -
Installs/modifies Browser Helper Object 2 TTPs 9 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exeWjzYz7qMaVpgU43.exedescription ioc process 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\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} WjzYz7qMaVpgU43.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ WjzYz7qMaVpgU43.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 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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} WjzYz7qMaVpgU43.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects WjzYz7qMaVpgU43.exe -
Drops file in System32 directory 4 IoCs
Processes:
WjzYz7qMaVpgU43.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy WjzYz7qMaVpgU43.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini WjzYz7qMaVpgU43.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol WjzYz7qMaVpgU43.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI WjzYz7qMaVpgU43.exe -
Drops file in Program Files directory 8 IoCs
Processes:
WjzYz7qMaVpgU43.exedescription ioc process File opened for modification C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.x64.dll WjzYz7qMaVpgU43.exe File created C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.dll WjzYz7qMaVpgU43.exe File opened for modification C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.dll WjzYz7qMaVpgU43.exe File created C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.tlb WjzYz7qMaVpgU43.exe File opened for modification C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.tlb WjzYz7qMaVpgU43.exe File created C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.dat WjzYz7qMaVpgU43.exe File opened for modification C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.dat WjzYz7qMaVpgU43.exe File created C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.x64.dll WjzYz7qMaVpgU43.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
WjzYz7qMaVpgU43.exepid process 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe 3712 WjzYz7qMaVpgU43.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
WjzYz7qMaVpgU43.exedescription pid process Token: SeDebugPrivilege 3712 WjzYz7qMaVpgU43.exe Token: SeDebugPrivilege 3712 WjzYz7qMaVpgU43.exe Token: SeDebugPrivilege 3712 WjzYz7qMaVpgU43.exe Token: SeDebugPrivilege 3712 WjzYz7qMaVpgU43.exe Token: SeDebugPrivilege 3712 WjzYz7qMaVpgU43.exe Token: SeDebugPrivilege 3712 WjzYz7qMaVpgU43.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202.exeWjzYz7qMaVpgU43.exeregsvr32.exedescription pid process target process PID 2248 wrote to memory of 3712 2248 4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202.exe WjzYz7qMaVpgU43.exe PID 2248 wrote to memory of 3712 2248 4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202.exe WjzYz7qMaVpgU43.exe PID 2248 wrote to memory of 3712 2248 4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202.exe WjzYz7qMaVpgU43.exe PID 3712 wrote to memory of 4180 3712 WjzYz7qMaVpgU43.exe regsvr32.exe PID 3712 wrote to memory of 4180 3712 WjzYz7qMaVpgU43.exe regsvr32.exe PID 3712 wrote to memory of 4180 3712 WjzYz7qMaVpgU43.exe regsvr32.exe PID 4180 wrote to memory of 3564 4180 regsvr32.exe regsvr32.exe PID 4180 wrote to memory of 3564 4180 regsvr32.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202.exe"C:\Users\Admin\AppData\Local\Temp\4a7854848cdf4edd3ccb663489644b0dbbc323960869968f4fbedb358ba34202.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\7zS2635.tmp\WjzYz7qMaVpgU43.exe.\WjzYz7qMaVpgU43.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.x64.dll"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSave\XfMYeoyolHb4X7.x64.dll"4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:3564
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3084
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:5000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
7KB
MD53adbfd25d57d1f5fb1915ab710cfe13c
SHA13031ea4e65a0b1173b755a1e3df0f29439afed69
SHA2568f6bd3d37ba71bb744dc634b3836f2f4046e2c719d0eda5590ae52c2c29dc349
SHA5127f191bc9dfd52ab409d238710df61e65f45cda2a325d5338382b57e05a33314c45b06530aabf6e13ae70cc546fb8505b85930154f8d2b2703364d7b00fed3eaf
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Filesize
746KB
MD58a167580cd1dd37bd496c810951e265c
SHA164dd7babc6b7a2614306cc68929d38cc5b6ae0b2
SHA25673cdc61ec4b161fbc4017ef7b8ed73e593439875608c336d57098bac796912ec
SHA51228fd5a1e3554976eddeace6772236b22996448207bab74bcdf6acca2e7880293893f4ecfa5ea3ef54fd073fb226de1de1e6c708e5acd3a51d3878b1fe54ba27f
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Filesize
878KB
MD5ec4e3ee93c7c6caf8e77b2f2b910c82e
SHA1b8c90bd001c371fadd683a9106b692a0dc6706c8
SHA256ac086b67b1485da29052d256365a25dc9de3082bce7f55b64582152c00aac942
SHA512a3ca51f000cd9092213c5e263f5f23be8deba913ad4f77a8a9b9239fe9807ef10224e26e16437a5862de4ccabda17d37e81d181882ba2ba5bb2515970d36a6c9
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Filesize
878KB
MD5ec4e3ee93c7c6caf8e77b2f2b910c82e
SHA1b8c90bd001c371fadd683a9106b692a0dc6706c8
SHA256ac086b67b1485da29052d256365a25dc9de3082bce7f55b64582152c00aac942
SHA512a3ca51f000cd9092213c5e263f5f23be8deba913ad4f77a8a9b9239fe9807ef10224e26e16437a5862de4ccabda17d37e81d181882ba2ba5bb2515970d36a6c9
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Filesize
878KB
MD5ec4e3ee93c7c6caf8e77b2f2b910c82e
SHA1b8c90bd001c371fadd683a9106b692a0dc6706c8
SHA256ac086b67b1485da29052d256365a25dc9de3082bce7f55b64582152c00aac942
SHA512a3ca51f000cd9092213c5e263f5f23be8deba913ad4f77a8a9b9239fe9807ef10224e26e16437a5862de4ccabda17d37e81d181882ba2ba5bb2515970d36a6c9
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Filesize
7KB
MD53adbfd25d57d1f5fb1915ab710cfe13c
SHA13031ea4e65a0b1173b755a1e3df0f29439afed69
SHA2568f6bd3d37ba71bb744dc634b3836f2f4046e2c719d0eda5590ae52c2c29dc349
SHA5127f191bc9dfd52ab409d238710df61e65f45cda2a325d5338382b57e05a33314c45b06530aabf6e13ae70cc546fb8505b85930154f8d2b2703364d7b00fed3eaf
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Filesize
765KB
MD521c7e6ab35acdb8d15ac0590900c5206
SHA1bd696ab0d1806c5492b4444d96fe272f217f4058
SHA256314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec
SHA512775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd
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Filesize
765KB
MD521c7e6ab35acdb8d15ac0590900c5206
SHA1bd696ab0d1806c5492b4444d96fe272f217f4058
SHA256314c44ac357c692c66516271e02fe280e9fc6d030a7172f2379c81fa383d44ec
SHA512775636d7ec02398e32463ceaa7e1b18fe20689ed75d9c731b37b83f4c3ce828d2d2274d2f75d4f2c25133775969864467eff69b5fbf40e286fbfca6bdee1d3dd
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Filesize
746KB
MD58a167580cd1dd37bd496c810951e265c
SHA164dd7babc6b7a2614306cc68929d38cc5b6ae0b2
SHA25673cdc61ec4b161fbc4017ef7b8ed73e593439875608c336d57098bac796912ec
SHA51228fd5a1e3554976eddeace6772236b22996448207bab74bcdf6acca2e7880293893f4ecfa5ea3ef54fd073fb226de1de1e6c708e5acd3a51d3878b1fe54ba27f
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Filesize
3KB
MD56913bf1ba01b10787f0b5b1d8788071a
SHA19a1fe110cd29b99508385b1b1e5cb83e6e2b10ec
SHA25640b0d7a3f86ad964a12d142c9544d015e252e98e2ebab0895ee9df6f3946110c
SHA512c0410368dd71668a1e34bc81536bc2e8a1b19f6c51455f87205f6f2bf0c9ec04a8994c39c4edbd137c04fd1871b5dc19f7c82a9c83a814c17e4a2dd160cb1b1d
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Filesize
878KB
MD5ec4e3ee93c7c6caf8e77b2f2b910c82e
SHA1b8c90bd001c371fadd683a9106b692a0dc6706c8
SHA256ac086b67b1485da29052d256365a25dc9de3082bce7f55b64582152c00aac942
SHA512a3ca51f000cd9092213c5e263f5f23be8deba913ad4f77a8a9b9239fe9807ef10224e26e16437a5862de4ccabda17d37e81d181882ba2ba5bb2515970d36a6c9
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C:\Users\Admin\AppData\Local\Temp\7zS2635.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS2635.tmp\[email protected]\chrome.manifest
Filesize35B
MD5d4a15a7856c2633bda099271585bef70
SHA1f963f7eebac63f4a1b70ed24c2416b1e6929058a
SHA256d814839f936ae62fd2f50ea0b4aa63bd6531fd8db2deebf15943b60c81b3964b
SHA512bc6e07292d2f35d4b3e448970cab3e00db723a3dd9f8e2c68edae8c09831195fea80d77486599187dac10320f12391d77d8716ac73e8e94d3ab2b77afb042b5c
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C:\Users\Admin\AppData\Local\Temp\7zS2635.tmp\[email protected]\content\bg.js
Filesize8KB
MD5efb0d7b600bf95dab2ccbba2ae070c06
SHA16676368647b7b944fcc81aa630c44c3fc24416ed
SHA256333040e4c3c2814131044d9aae60881f15f2bcc94b15c02c22fc7a3c0b1d9b1a
SHA512b21748ecbb63da65f627ff448f67562926ae7467d87034dc54c26d076175b8fc5cf18521d80603d1ec5bf7e3e935d6301ddf3a36c41c146ab95fadae3b1e8c20
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C:\Users\Admin\AppData\Local\Temp\7zS2635.tmp\[email protected]\install.rdf
Filesize592B
MD52863c78d21e4d995819b36d6a3137bd2
SHA113a95c2f81366a0231ca47df2e2d18242fc864ed
SHA2567438558dcc7e3ce0cee66963b95fec7d0de8b847bc5673b48b6eb41aadc3fff2
SHA512935b6ad5ea4c2a76012c445f0d4a601368bd3695d59fbfd64b0f5efd5c9ef7b22cad3c3ac353753ab36eff069a47af656efb4be8800fea5f7f8366941dc1bc9f
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Filesize
6KB
MD57dd038286b8c051c2fd112af37d1bf4f
SHA1bbe2ac56eb29a1c2cc6c42a208a3255e698c323e
SHA25605796aa615659a229ef109c5b4b612763cf902c8966755a2dd9db7a1f25ad9a7
SHA512042226e5b8566d3aa3a7b882e014453927421908ac3d4be34a93cb0f79184fb6bb78348327b6f31e9982875ef2e12e3b5ff80d0e8736be3314dd9d9e9be1b6be
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Filesize
144B
MD53c4394af7a7dafc30aad758c939029ba
SHA1f6fc4493cac79f0f46bdee4298c6f5f705ade730
SHA25670533c0a035a5107d5d8627b8a1dada98a64f941e1c5d8714ed5bbfc17ecc02e
SHA5129e153a1fded463886df02be238fca7876299b7d997c2122e12cde81ac7f487690c610cdb815fd09dec8834da4c6db9eb579219120300a3a1d2a4ef624a76ae3a
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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