Analysis
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max time kernel
13s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 16:29
Static task
static1
Behavioral task
behavioral1
Sample
fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe
Resource
win7-20221111-en
General
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Target
fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe
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Size
2.5MB
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MD5
fbc87b3e5c1682d9448c3fff58166f4b
-
SHA1
95a13c73882e1295d0ec973c89a80be4f3691c82
-
SHA256
fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0
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SHA512
fb5dfee3c18533bf45cf92ddaf6527c6da4a5e78b947f5cece452f08a9a95077c28fde1f010865f397cf5b30b3eb0bc9d9b3fae87c134d9ce05080405b167260
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SSDEEP
49152:h1Os0CpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bkV:h1OGly7kNfrNq4V
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
xmfIsWuyYNZjJaC.exepid process 280 xmfIsWuyYNZjJaC.exe -
Loads dropped DLL 4 IoCs
Processes:
fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exexmfIsWuyYNZjJaC.exeregsvr32.exeregsvr32.exepid process 2020 fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe 280 xmfIsWuyYNZjJaC.exe 568 regsvr32.exe 820 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 3 IoCs
Processes:
xmfIsWuyYNZjJaC.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\dcedafnbeemmdgciahbgoncldkkaonoc\2.0\manifest.json xmfIsWuyYNZjJaC.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\dcedafnbeemmdgciahbgoncldkkaonoc\2.0\manifest.json xmfIsWuyYNZjJaC.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\dcedafnbeemmdgciahbgoncldkkaonoc\2.0\manifest.json xmfIsWuyYNZjJaC.exe -
Installs/modifies Browser Helper Object 2 TTPs 11 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exexmfIsWuyYNZjJaC.exedescription ioc process 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\{B4F3A835-0E21-4959-BA22-42B3008E02FF} 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\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} xmfIsWuyYNZjJaC.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} xmfIsWuyYNZjJaC.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects xmfIsWuyYNZjJaC.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\ xmfIsWuyYNZjJaC.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} 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\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} xmfIsWuyYNZjJaC.exe -
Drops file in System32 directory 4 IoCs
Processes:
xmfIsWuyYNZjJaC.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy xmfIsWuyYNZjJaC.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini xmfIsWuyYNZjJaC.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol xmfIsWuyYNZjJaC.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI xmfIsWuyYNZjJaC.exe -
Drops file in Program Files directory 8 IoCs
Processes:
xmfIsWuyYNZjJaC.exedescription ioc process File opened for modification C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.dat xmfIsWuyYNZjJaC.exe File created C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.x64.dll xmfIsWuyYNZjJaC.exe File opened for modification C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.x64.dll xmfIsWuyYNZjJaC.exe File created C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.dll xmfIsWuyYNZjJaC.exe File opened for modification C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.dll xmfIsWuyYNZjJaC.exe File created C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.tlb xmfIsWuyYNZjJaC.exe File opened for modification C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.tlb xmfIsWuyYNZjJaC.exe File created C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.dat xmfIsWuyYNZjJaC.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
xmfIsWuyYNZjJaC.exepid process 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe 280 xmfIsWuyYNZjJaC.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
xmfIsWuyYNZjJaC.exedescription pid process Token: SeDebugPrivilege 280 xmfIsWuyYNZjJaC.exe Token: SeDebugPrivilege 280 xmfIsWuyYNZjJaC.exe Token: SeDebugPrivilege 280 xmfIsWuyYNZjJaC.exe Token: SeDebugPrivilege 280 xmfIsWuyYNZjJaC.exe Token: SeDebugPrivilege 280 xmfIsWuyYNZjJaC.exe Token: SeDebugPrivilege 280 xmfIsWuyYNZjJaC.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exexmfIsWuyYNZjJaC.exeregsvr32.exedescription pid process target process PID 2020 wrote to memory of 280 2020 fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe xmfIsWuyYNZjJaC.exe PID 2020 wrote to memory of 280 2020 fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe xmfIsWuyYNZjJaC.exe PID 2020 wrote to memory of 280 2020 fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe xmfIsWuyYNZjJaC.exe PID 2020 wrote to memory of 280 2020 fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe xmfIsWuyYNZjJaC.exe PID 280 wrote to memory of 568 280 xmfIsWuyYNZjJaC.exe regsvr32.exe PID 280 wrote to memory of 568 280 xmfIsWuyYNZjJaC.exe regsvr32.exe PID 280 wrote to memory of 568 280 xmfIsWuyYNZjJaC.exe regsvr32.exe PID 280 wrote to memory of 568 280 xmfIsWuyYNZjJaC.exe regsvr32.exe PID 280 wrote to memory of 568 280 xmfIsWuyYNZjJaC.exe regsvr32.exe PID 280 wrote to memory of 568 280 xmfIsWuyYNZjJaC.exe regsvr32.exe PID 280 wrote to memory of 568 280 xmfIsWuyYNZjJaC.exe regsvr32.exe PID 568 wrote to memory of 820 568 regsvr32.exe regsvr32.exe PID 568 wrote to memory of 820 568 regsvr32.exe regsvr32.exe PID 568 wrote to memory of 820 568 regsvr32.exe regsvr32.exe PID 568 wrote to memory of 820 568 regsvr32.exe regsvr32.exe PID 568 wrote to memory of 820 568 regsvr32.exe regsvr32.exe PID 568 wrote to memory of 820 568 regsvr32.exe regsvr32.exe PID 568 wrote to memory of 820 568 regsvr32.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe"C:\Users\Admin\AppData\Local\Temp\fd281c8033a4ee2df9a4215416a2b1801dbc98914185023c5efd1fba567803e0.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Local\Temp\7zS9EFE.tmp\xmfIsWuyYNZjJaC.exe.\xmfIsWuyYNZjJaC.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:280 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.x64.dll"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSave\zo2WRoyKFA0Xts.x64.dll"4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:820
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
7KB
MD5a12eb472cc5ebfd2be573480948bb688
SHA190bfe739fa8bcb4a87e98688a796dec738124f90
SHA2560e0cb36247925002aae83d5054260d1f69b1de47ca6a046c03489f0fde7fe813
SHA512e149c3449fc56c07687251269f98a78ca8ddcb007ea16149832ebb208eebe0500acbc9462516369dbc30d0b8e0047012361c0eb2862a59074dd64d38ed280a8f
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Filesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Users\Admin\AppData\Local\Temp\7zS9EFE.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS9EFE.tmp\[email protected]\chrome.manifest
Filesize35B
MD5622636aa7aab9cc714a7a01859ba950b
SHA19f8797534d3f8eba9faf231f4acfbd2f825a1fe2
SHA2566be24f1770969ab85faf48b71f09770114618639f80cbc76c303fd6ef662ce5b
SHA512c8c097b01e3ccc993b98af978e9370188892ba93e432bd89e3e51318ef6dcd834cbc0c87a886907f7db2ba775f575b3dac4d67884e4ac257c1795a4f9137f9b8
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C:\Users\Admin\AppData\Local\Temp\7zS9EFE.tmp\[email protected]\content\bg.js
Filesize9KB
MD588a54fa6d1b369f3c22747a228859e2c
SHA15fd1c4198b0add58bd56ac0305089a01c01531e2
SHA2560654750055ab351bb34136976705f8669aba221e50ebcf79e24a6eabe2938696
SHA51210b208f67ba9eef42cee8e6a59035648571553e42b1e42964fa03f122f04f0045900fccb8d1dfad538c8d0d39ab0fcd8beb8527ed7bba679a8cb3301b95389a2
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C:\Users\Admin\AppData\Local\Temp\7zS9EFE.tmp\[email protected]\install.rdf
Filesize593B
MD56315cf684bfa0b6022bf78e8b9437aa6
SHA1fd09b577ff285e2f887e98bad0130ee99597ddf5
SHA256a048b091e0c9390c374a386eebff588911920e987a60ce223c44a792c4101ce0
SHA51267f68d65e79971f3e79cff6fdbc87579560d974273c17e47f71ec15534d208f25bc4d86231e58b2b9417730d284d6952ec56813ede3bb5ca9e5df82d049b4eab
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Filesize
146B
MD578294d61aeaea295c37d68190f868e90
SHA1d5c5d64205505eca095e0fa73e0255eb728e8e5b
SHA256f3eab27adecfb85d909906c12da8f4c02fae9fe8a3d6be626debf3116ec05614
SHA512cca60bbbbb5e1363eaac24df8a3aa6de928b5bd4ab64844591a8882e0d16e4fd09ae42ddceb069b552970edc044582ce253dea9c9ff7c8f309f0273ae352ae13
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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
6KB
MD5200e48fa112d8dcfbd66313ef4a9e62c
SHA19a23c339124afcaaedaa88cd6ff51615bec7b240
SHA2561b668df59e4719ac79d52adb4777cab82127c7d6a705ec047416dc57d2787d36
SHA5127079c83cd8ca7bc5937e3d6c3fe86b9c2731f0a2893b419839496fb454b3f1a4e77482b407b3b2fc00a66276c0d431d51d8b2cbf18383c485f7ddfac60442df9
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Filesize
7KB
MD5a12eb472cc5ebfd2be573480948bb688
SHA190bfe739fa8bcb4a87e98688a796dec738124f90
SHA2560e0cb36247925002aae83d5054260d1f69b1de47ca6a046c03489f0fde7fe813
SHA512e149c3449fc56c07687251269f98a78ca8ddcb007ea16149832ebb208eebe0500acbc9462516369dbc30d0b8e0047012361c0eb2862a59074dd64d38ed280a8f
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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Filesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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Filesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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Filesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
-
Filesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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Filesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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Filesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
-
Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db