Analysis
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max time kernel
38s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 08:13
Static task
static1
Behavioral task
behavioral1
Sample
5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exe
Resource
win7-20220812-en
General
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Target
5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exe
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Size
931KB
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MD5
dde64746d41bb6e8591b4643fedbe8dd
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SHA1
2a6eb969cfdde8b27dfed8953aff6620508c63c7
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SHA256
5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8
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SHA512
200ceac83f13fddb989335b28bc0ae3c7b8f05166554a20190e64d9d4a4c494c4c5e01fffa496b1fa7c8b19c64fff7d8a2ac61defc96920b390c5b9f73575a42
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SSDEEP
24576:h1OYdaOskVkyMWSUbvCXEQKSqGv8VWumF6RmcJozyPvpf+:h1OsRMWyUQ+GUVFIcHPvpf+
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Ya6tzkmE5yt4mAs.exepid process 1384 Ya6tzkmE5yt4mAs.exe -
Loads dropped DLL 1 IoCs
Processes:
5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exepid process 1248 5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.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:
Ya6tzkmE5yt4mAs.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\gjppkpajiikoghmmndnbfpjlojmemfpj\2.0\manifest.json Ya6tzkmE5yt4mAs.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\gjppkpajiikoghmmndnbfpjlojmemfpj\2.0\manifest.json Ya6tzkmE5yt4mAs.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\gjppkpajiikoghmmndnbfpjlojmemfpj\2.0\manifest.json Ya6tzkmE5yt4mAs.exe -
Drops file in System32 directory 4 IoCs
Processes:
Ya6tzkmE5yt4mAs.exedescription ioc process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini Ya6tzkmE5yt4mAs.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol Ya6tzkmE5yt4mAs.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI Ya6tzkmE5yt4mAs.exe File opened for modification C:\Windows\System32\GroupPolicy Ya6tzkmE5yt4mAs.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
Ya6tzkmE5yt4mAs.exepid process 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe 1384 Ya6tzkmE5yt4mAs.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Ya6tzkmE5yt4mAs.exedescription pid process Token: SeDebugPrivilege 1384 Ya6tzkmE5yt4mAs.exe Token: SeDebugPrivilege 1384 Ya6tzkmE5yt4mAs.exe Token: SeDebugPrivilege 1384 Ya6tzkmE5yt4mAs.exe Token: SeDebugPrivilege 1384 Ya6tzkmE5yt4mAs.exe Token: SeDebugPrivilege 1384 Ya6tzkmE5yt4mAs.exe Token: SeDebugPrivilege 1384 Ya6tzkmE5yt4mAs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exedescription pid process target process PID 1248 wrote to memory of 1384 1248 5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exe Ya6tzkmE5yt4mAs.exe PID 1248 wrote to memory of 1384 1248 5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exe Ya6tzkmE5yt4mAs.exe PID 1248 wrote to memory of 1384 1248 5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exe Ya6tzkmE5yt4mAs.exe PID 1248 wrote to memory of 1384 1248 5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exe Ya6tzkmE5yt4mAs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exe"C:\Users\Admin\AppData\Local\Temp\5308c57e134465b5d0ca9ff78f944fac324177fdd0b08b75a9775a8c2ad0bcd8.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1248 -
C:\Users\Admin\AppData\Local\Temp\7zS60D6.tmp\Ya6tzkmE5yt4mAs.exe.\Ya6tzkmE5yt4mAs.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1384
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS60D6.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS60D6.tmp\[email protected]\chrome.manifest
Filesize35B
MD53275f2ef0c2eb50e7c2f840943c8b7ba
SHA1b0f7f9c7f45af2d11c5994300b93e77de7d7ad1b
SHA2568ea63014d6b6da3c23ffd708bdc03373a2ee19c33265b228539d083273a4b266
SHA5122440138f0960858fc619a272c79a9b6d9fdf708e57629faff4a09b896f4c617065d52f52e747a2b5cc7c9bb79612bfcd69a8b1af11e4b902ec21938fe7c7d1f0
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C:\Users\Admin\AppData\Local\Temp\7zS60D6.tmp\[email protected]\content\bg.js
Filesize9KB
MD5ee0a0a313cc2295a88e0ba98c5458350
SHA14130a0069bc2aa1b6adbdad8676b4d53573662ad
SHA256304850e36d73f38d113f0aa69cafc68ebd476fe5ebd7f90c2b8099d23cc97866
SHA5122df2d14519f18bc273f805d01d7c2dac900dc3b8b3eca89b2e0e848bfef0aeb89ee587a9382172cf7ffda71fba385074756123b325bc82da42c84e6cfe95328d
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C:\Users\Admin\AppData\Local\Temp\7zS60D6.tmp\[email protected]\install.rdf
Filesize592B
MD5322f098ec42f54409229bbcd267bca32
SHA1c2b694fe721d8e1f08593f649eda7bad5e7f8682
SHA2560b160a4898705080843d1c0d8eda5c605c421e91d1ec5511e7d08e20d06a1141
SHA512cb9cfc6e88ea98492ed664202c80389fb2b47a85334d778d0ed18c4ad5cc09837225239042f95267a3da408d92cea6b5bfb6edb9a9093b02e4cd6255e72aa9da
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Filesize
1KB
MD55eb524d584fd9fdd4a4df6296751a4b5
SHA116572ca0dd2ebe0bd193f1ce39f939411670f302
SHA25641a0f4ea2e667359ab67028fd599137cea4b4af4ef2f87113576e0bfdf0b7241
SHA5128897b98dae9396770935e9d2386b870c7d7c4bdeff8f5ff9d81102640aecb9f138a88a757b6ecc45749bfffc6bdd77d4a22ce0af4d25fc37b921eb0c12df9db3
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Filesize
771KB
MD5e8ef8ed232808bfa240b33b376bb74a8
SHA1b7ebfbda42fb24594210d3f97921c5b33b88585d
SHA256a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9
SHA51224a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8
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Filesize
6KB
MD5b0de1c6dbf8d5d2147fa989367b8ddd3
SHA152ad8e5f806be19b6c7a0aa808f5497b92de9f12
SHA256172ec64c8e409adc07f88430ac9e82829b50a43a3e00194e821b3342161444a9
SHA512f8d55cc03c8aec193cac760af548349bf98b01cc8a4952f038f9f2f8a96ec3eed67c1d5a056b5043f4a665840ca7c899ef9bb38bd8f060a410d874f1353ce8c2
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Filesize
145B
MD542b219b7e41e19f84aefb7121e3d5082
SHA13e75d968330b4333bb7e45f7665dc2da4f07c6f9
SHA256c61594cc080b1933a216f25423633a01dd8a9f1a8e83976d768473fe0fb1af5d
SHA5129958ab506da7275c9e3acb0f2efbbe679182b297d27033614009700d8c155a0493196a26e7f39b5b043733b6788ff0ce028288a2be3ff3a16b0ecba5d0859862
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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
771KB
MD5e8ef8ed232808bfa240b33b376bb74a8
SHA1b7ebfbda42fb24594210d3f97921c5b33b88585d
SHA256a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9
SHA51224a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8