Analysis
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max time kernel
122s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2024 10:08
Static task
static1
Behavioral task
behavioral1
Sample
349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exe
Resource
win10v2004-20240226-en
General
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Target
349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exe
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Size
442KB
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MD5
5f356f42b80d282f8159d3ebe2f5e96a
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SHA1
1fd0b763d48a322256a097b97af2bff3457ef2f6
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SHA256
349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd
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SHA512
2ccf621132f85c586d20893a8e3ebe6ec739acc576ab2f87451c189f85f9038b819c0b12cebfc93922bf3d17dcd45f4d40649407e3e19e12ea34c707b6dc61cc
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SSDEEP
12288:8/YF+b8a+KLGNAKq48yhBV2S7PJwwh8na5rC:8Qw+1NE48yRZxwNna5rC
Malware Config
Signatures
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SectopRAT payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/960-140-0x0000000000D00000-0x0000000000DC6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exe -
Executes dropped EXE 1 IoCs
Processes:
u1ss.0.exepid Process 2400 u1ss.0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2024 2400 WerFault.exe 97 -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exedescription pid Process procid_target PID 2332 wrote to memory of 2400 2332 349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exe 97 PID 2332 wrote to memory of 2400 2332 349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exe 97 PID 2332 wrote to memory of 2400 2332 349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exe"C:\Users\Admin\AppData\Local\Temp\349951ac18c322e5ce506de2451f93f0b6f915097e464f64f934bf66fb1fe4cd.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Users\Admin\AppData\Local\Temp\u1ss.0.exe"C:\Users\Admin\AppData\Local\Temp\u1ss.0.exe"2⤵
- Executes dropped EXE
PID:2400 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 11483⤵
- Program crash
PID:2024
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C:\Users\Admin\AppData\Local\Temp\u1ss.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1ss.2\run.exe"2⤵PID:3660
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C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵PID:3800
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵PID:960
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4068 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:81⤵PID:1104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2400 -ip 24001⤵PID:1968
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD586dfc6af6f9c3cc6420677b031aa74c3
SHA1a44f7b0debe0f8e9859c381f7ae73bec875bdcb1
SHA25690269252551b2f4be013977a50012b0d3c28c0bdc92c31668996cbbf36c53b1b
SHA512db4d2d8886081812e605ff1646fd929420375545e78e0cb41c26e9930f9c5d786e48d4e9dae6a35bafad7753e6c3422447aa073f1b82d8b9447ad57e591f376d
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Filesize
297KB
MD5dc755a443b61deee2ea99e5f2360c414
SHA1da5191cb200df63daa33a1c7632cd598ca09871a
SHA2566a0a065c983fe5d0a5e3dcbee89a51dc92baf859e4a1c8dbd606569b317a7a75
SHA512895b6c943e2ade9c7963db97395e3840b599328e4dcaf4d3e7cd453a65c7677cb4ba43e9289f50547afbe27d282fd2d6193f0aeeb39017c1b922569c75d2fe28
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Filesize
3.7MB
MD578d3ca6355c93c72b494bb6a498bf639
SHA12fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA5121b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
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Filesize
1.6MB
MD5d1ba9412e78bfc98074c5d724a1a87d6
SHA10572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA5128765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
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Filesize
1.3MB
MD51e8237d3028ab52821d69099e0954f97
SHA130a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA2569387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
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Filesize
1.5MB
MD510d51becd0bbce0fab147ff9658c565e
SHA14689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA2567b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA51229faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
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Filesize
2.4MB
MD59fb4770ced09aae3b437c1c6eb6d7334
SHA1fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
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Filesize
85KB
MD5a723bf46048e0bfb15b8d77d7a648c3e
SHA18952d3c34e9341e4425571e10f22b782695bb915
SHA256b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273