Analysis
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max time kernel
279s -
max time network
348s -
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, 11:29
Static task
static1
Behavioral task
behavioral1
Sample
ab2d092636f24d46a85dee19ad718ecc0db7810a7b9c6e5ab83dfc57e0698ed7.exe
Resource
win7-20220812-en
General
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Target
ab2d092636f24d46a85dee19ad718ecc0db7810a7b9c6e5ab83dfc57e0698ed7.exe
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Size
937KB
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MD5
7b9bbea48ee45cc40f06ab6d93ea813f
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SHA1
88c61cec576cd987ef43bf4b7cebd38b3bb43ff9
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SHA256
ab2d092636f24d46a85dee19ad718ecc0db7810a7b9c6e5ab83dfc57e0698ed7
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SHA512
9701de6ea10938717059d4988c386355e69f4381189d4d9b2b2e43f64b8e319f65451895143290dc9b990782a99b15b7db88d2e5a77ebf1c8f70e267f1f6c27f
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SSDEEP
24576:h1OYdaOFE7PWrwXqiI8M8klwTokI1KZ9+:h1OsfE7PWmI85kqoaZ9+
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5100 k3bvGCq53ykTJpr.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
description ioc Process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\gfcbpmbjmjmpckboofheaonccgdkejif\2.0\manifest.json k3bvGCq53ykTJpr.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\gfcbpmbjmjmpckboofheaonccgdkejif\2.0\manifest.json k3bvGCq53ykTJpr.exe File created C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\gfcbpmbjmjmpckboofheaonccgdkejif\2.0\manifest.json k3bvGCq53ykTJpr.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\gfcbpmbjmjmpckboofheaonccgdkejif\2.0\manifest.json k3bvGCq53ykTJpr.exe File created C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\gfcbpmbjmjmpckboofheaonccgdkejif\2.0\manifest.json k3bvGCq53ykTJpr.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini k3bvGCq53ykTJpr.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol k3bvGCq53ykTJpr.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI k3bvGCq53ykTJpr.exe File opened for modification C:\Windows\System32\GroupPolicy k3bvGCq53ykTJpr.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe 5100 k3bvGCq53ykTJpr.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 5100 k3bvGCq53ykTJpr.exe Token: SeDebugPrivilege 5100 k3bvGCq53ykTJpr.exe Token: SeDebugPrivilege 5100 k3bvGCq53ykTJpr.exe Token: SeDebugPrivilege 5100 k3bvGCq53ykTJpr.exe Token: SeDebugPrivilege 5100 k3bvGCq53ykTJpr.exe Token: SeDebugPrivilege 5100 k3bvGCq53ykTJpr.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 732 wrote to memory of 5100 732 ab2d092636f24d46a85dee19ad718ecc0db7810a7b9c6e5ab83dfc57e0698ed7.exe 80 PID 732 wrote to memory of 5100 732 ab2d092636f24d46a85dee19ad718ecc0db7810a7b9c6e5ab83dfc57e0698ed7.exe 80 PID 732 wrote to memory of 5100 732 ab2d092636f24d46a85dee19ad718ecc0db7810a7b9c6e5ab83dfc57e0698ed7.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\ab2d092636f24d46a85dee19ad718ecc0db7810a7b9c6e5ab83dfc57e0698ed7.exe"C:\Users\Admin\AppData\Local\Temp\ab2d092636f24d46a85dee19ad718ecc0db7810a7b9c6e5ab83dfc57e0698ed7.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Users\Admin\AppData\Local\Temp\7zS6AA7.tmp\k3bvGCq53ykTJpr.exe.\k3bvGCq53ykTJpr.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:2100
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4572
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\7zS6AA7.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zS6AA7.tmp\[email protected]\chrome.manifest
Filesize35B
MD55f2791b176ada08a16ebc26364284b6c
SHA1521422dc19ec1ed368c49fdd63a6cb2a539239f0
SHA2565ea189c99ede823a3d60a70222a4f4444951173f283c54beb150b8f443c6b4cb
SHA512e3638dc0b1d012fe931ed4467134083a3008ae13b59ab79af05c30eae0e5cb577d9e0c12977602b739bbcfef9997494de6d2e9f6bace01f6f71aa7d63fdf4fce
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C:\Users\Admin\AppData\Local\Temp\7zS6AA7.tmp\[email protected]\content\bg.js
Filesize8KB
MD5b2ba3cecfd8838d6e29b61603e4e5b27
SHA1d01c14a2dbf61a4acb9de3fd64802f07ad71f61b
SHA2563a07aa3f7ee475b7302c0881703cca61029f045c2c045a6c3e39cb9e7b06c288
SHA5123f3db19f6e3cde07e4a2d56effba40f2a87c010f7f30f0c20187fb4c08d890504f057f2fdcda0bddf304795885bffeb5ca49f3ffc907069df0cedef669c613dd
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C:\Users\Admin\AppData\Local\Temp\7zS6AA7.tmp\[email protected]\install.rdf
Filesize599B
MD5e22a265f84ed1223cb6f0163ffd80d3f
SHA18cbfdddd85790d146f4ec4d1900612d66f6b4ffc
SHA256c4bf4f874ccd36c2a7ce8d73355e997bfd832b44c5c88ba4cf7f5b517f0b7a56
SHA5125aa5d91b00463ca7a9df4a2523e2bfa57a83bc45abb789e7c10dfb765485d449ad7c1e7f31ffdd35f293a3b21891b01134d8231c7e9ad334c644cfc4ef39182c
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Filesize
140B
MD58a0d497d3cbde400a399904b28bdbe96
SHA16be5f7594fba173d38f00f46f558d69323c5d991
SHA256b36c06e87fade09ba1065e6dcd3880332e96bccc8ac5f07819f57d53800c1337
SHA5122a4f8e9cf03a6d694fbb6db76f8672334d46e252bc81a807e0eecfaa935d244033b4eea7079894cf09815123ec7f41fcf64246d216cd51af210aff4a204d3a12
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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Filesize
6KB
MD532438f5a07fd0365917f8fd6e36fc565
SHA1e0381624b3005128810fef62ef26554603318f97
SHA256c495ace9323d4c78633b202c1e9f61449b9c0ffff1071f8c977f91ef7a1fd394
SHA512169f8f278da1692ee3118ea9010f7fc0d69d70ba586487ccc9496a17537591d214c4a60d47b1df298b64e839f7dbe1109297a77b5dcbb753319bc708f0c33d09
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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
MD5c5c59c3b6228e3c831c52b634ad69f18
SHA14ad6e53ba6444133e0332b34eae6d648b4537be8
SHA256ab03ff5a1a7232daf464b35019574207990bded9fd5f665b751e7c5dd7d23d6d
SHA512d207a6cf26718145d04c35491cd19035e5171a82d0e79d0a4baf0846242e8e24e31e21cdd1cbe88eb173355205d113a875ec929c817bff1de7b74c546b9ffe81
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Filesize
777KB
MD5178c3563cc6574b8b620cef5f769c2d7
SHA1908c944d462651546db71f404bc579119a0375e1
SHA2560858fa1973bf0b1a7527e115f62467969dcfef1752162af2433700a591b57813
SHA51205ef8c3a012f540013839b21eea2aa7b92a336143a685dd344ecde19a232f70764280a875d1c324b20aa5b817c0c4b4ab0acc4de28fc5be8da02d8c58cf9edd0
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Filesize
777KB
MD5178c3563cc6574b8b620cef5f769c2d7
SHA1908c944d462651546db71f404bc579119a0375e1
SHA2560858fa1973bf0b1a7527e115f62467969dcfef1752162af2433700a591b57813
SHA51205ef8c3a012f540013839b21eea2aa7b92a336143a685dd344ecde19a232f70764280a875d1c324b20aa5b817c0c4b4ab0acc4de28fc5be8da02d8c58cf9edd0