Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 19:46
Static task
static1
Behavioral task
behavioral1
Sample
401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe
Resource
win10v2004-20240412-en
General
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Target
401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe
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Size
419KB
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MD5
021cfa1d38a5e559b84773d533223435
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SHA1
c4248fac5aa6eed042d6a0cac516bc383de261f9
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SHA256
401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289
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SHA512
6a940693a98cec9c049175742d4d8a97fa23c0e34b9f508418fbe6b907c507423af889dd51d1d76d322dbd1fa4bd77214473a88816763436eec92c955865b076
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SSDEEP
6144:X4x9GU3P66ZHxrKG1afsuXOTgm8689vFQ3kvzFI162n:X4x4U3Cggjfly2vOUrFI11
Malware Config
Extracted
stealc
http://185.172.128.111
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url_path
/f993692117a3fda2.php
Signatures
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SectopRAT payload 1 IoCs
resource yara_rule behavioral1/memory/4676-127-0x0000000001320000-0x00000000013E6000-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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation 401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe -
Executes dropped EXE 2 IoCs
pid Process 5996 uw8.0.exe 3620 run.exe -
Loads dropped DLL 1 IoCs
pid Process 3620 run.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3620 set thread context of 4028 3620 run.exe 107 PID 4028 set thread context of 4676 4028 cmd.exe 113 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 1244 5996 WerFault.exe 98 1452 1160 WerFault.exe 84 -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3620 run.exe 3620 run.exe 3620 run.exe 4028 cmd.exe 4028 cmd.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 3620 run.exe 4028 cmd.exe 4028 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4676 MSBuild.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3620 run.exe 3620 run.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1160 wrote to memory of 5996 1160 401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe 98 PID 1160 wrote to memory of 5996 1160 401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe 98 PID 1160 wrote to memory of 5996 1160 401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe 98 PID 1160 wrote to memory of 3620 1160 401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe 104 PID 1160 wrote to memory of 3620 1160 401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe 104 PID 1160 wrote to memory of 3620 1160 401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe 104 PID 3620 wrote to memory of 4028 3620 run.exe 107 PID 3620 wrote to memory of 4028 3620 run.exe 107 PID 3620 wrote to memory of 4028 3620 run.exe 107 PID 3620 wrote to memory of 4028 3620 run.exe 107 PID 4028 wrote to memory of 4676 4028 cmd.exe 113 PID 4028 wrote to memory of 4676 4028 cmd.exe 113 PID 4028 wrote to memory of 4676 4028 cmd.exe 113 PID 4028 wrote to memory of 4676 4028 cmd.exe 113 PID 4028 wrote to memory of 4676 4028 cmd.exe 113
Processes
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C:\Users\Admin\AppData\Local\Temp\401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe"C:\Users\Admin\AppData\Local\Temp\401c20bbadaca0ae86a100929f4b21282f63e272a1ac339ca9c4b444fd8d1289.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Users\Admin\AppData\Local\Temp\uw8.0.exe"C:\Users\Admin\AppData\Local\Temp\uw8.0.exe"2⤵
- Executes dropped EXE
PID:5996 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5996 -s 11603⤵
- Program crash
PID:1244
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C:\Users\Admin\AppData\Local\Temp\uw8.2\run.exe"C:\Users\Admin\AppData\Local\Temp\uw8.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 11482⤵
- Program crash
PID:1452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5996 -ip 59961⤵PID:3476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1160 -ip 11601⤵PID:4532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.4MB
MD5a2b723d92557d12bffe6763e22e9601c
SHA131a4af2d52752fd6744bea432952cf3eddb43bca
SHA25625376cf3231f29b9a445b6354ca626d8192717743012ad813a1ec2f703e361a1
SHA5120457e4a4049f58ee717fb8f037180bbd372d2601d20add2d5967d6183f85ebac43d48cfc604eee4b3420fc9e20f4bc2800046ea288f475b156711304f1159d31
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Filesize
20KB
MD542c395b8db48b6ce3d34c301d1eba9d5
SHA1b7cfa3de344814bec105391663c0df4a74310996
SHA2565644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
SHA5127b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845
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Filesize
20KB
MD549693267e0adbcd119f9f5e02adf3a80
SHA13ba3d7f89b8ad195ca82c92737e960e1f2b349df
SHA256d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
SHA512b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2
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Filesize
275KB
MD5609e477f1171e4ead007e05592f06ecd
SHA11438491f5054d85d918ffe2892f05a5cc2b930d1
SHA2569b2c5027aaca1212afc373c13b25d60a053df5e3bfaf3558f401d58001e07907
SHA512c4407460097a2494096233a31a9725c53179b55286560cdb7655fcf131e58294944703169814635ce59190183d6e496316956ee9f6abdaa3e0f3b708080c209e
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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