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Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
12/10/2023, 18:44
Behavioral task
behavioral1
Sample
99c0bc283e7897d00cbae06b49acd26d_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
99c0bc283e7897d00cbae06b49acd26d_JC.exe
Resource
win10v2004-20230915-en
General
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Target
99c0bc283e7897d00cbae06b49acd26d_JC.exe
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Size
82KB
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MD5
99c0bc283e7897d00cbae06b49acd26d
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SHA1
c26f1b49721f3676747db58b0519735598153193
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SHA256
fee0f29686b7164dacc3bbfe9c5e2bdac24d37f0e617721788eec173c976ba0c
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SHA512
e41ec592ac9944c42c9f93b7dc43b4baa1d90ab401567a6436d28e8fe795285ff592ae57284ea87e918b0a100befd468d1a88076242b80fa6952931983ba174e
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SSDEEP
768:NNK2cNW0QbRsWjcd+6yBFLqJ4Z8qx70RM8/O/B2ZR1RGn8NIoGLLRNeo6:NcNjQlsWjcd+xzl7SM+Gn8255Neo6
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2692 CTS.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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resource yara_rule behavioral1/memory/1376-0-0x0000000000C40000-0x0000000000C59000-memory.dmp upx behavioral1/memory/1376-5-0x00000000000E0000-0x00000000000F9000-memory.dmp upx behavioral1/memory/1376-9-0x0000000000C40000-0x0000000000C59000-memory.dmp upx behavioral1/memory/2692-12-0x0000000000350000-0x0000000000369000-memory.dmp upx behavioral1/files/0x0009000000012242-11.dat upx behavioral1/files/0x0009000000012242-10.dat upx behavioral1/files/0x0009000000012242-8.dat upx behavioral1/files/0x000b00000001201c-14.dat upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 99c0bc283e7897d00cbae06b49acd26d_JC.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\CTS.exe 99c0bc283e7897d00cbae06b49acd26d_JC.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1376 99c0bc283e7897d00cbae06b49acd26d_JC.exe Token: SeDebugPrivilege 2692 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1376 wrote to memory of 2692 1376 99c0bc283e7897d00cbae06b49acd26d_JC.exe 28 PID 1376 wrote to memory of 2692 1376 99c0bc283e7897d00cbae06b49acd26d_JC.exe 28 PID 1376 wrote to memory of 2692 1376 99c0bc283e7897d00cbae06b49acd26d_JC.exe 28 PID 1376 wrote to memory of 2692 1376 99c0bc283e7897d00cbae06b49acd26d_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\99c0bc283e7897d00cbae06b49acd26d_JC.exe"C:\Users\Admin\AppData\Local\Temp\99c0bc283e7897d00cbae06b49acd26d_JC.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2692
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD52012cbd972fa6c9950e96a1ebf011e97
SHA199a45fdfe974536cc293c52fb2f8286d5ca22976
SHA256f502db6b1b5c361550d6a6bbbc48b37207558aead6fa080fbd56e691c091031b
SHA512f510a309e9355798adc320f42e566f5f604bcaa02f9ea698588ee3c9f86347cfc78845c698ab2e6afcc363f8f0d4fa1e10cd3581a61d5ddcced88abcad52b1a8
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Filesize
82KB
MD5112e2e3d0f9b5bdfc715836bfd6360cf
SHA13376a739daff15255ad9b6552897856df1778ed1
SHA256739998c19476d853c1c4264b79f01c4c3429c8e34746a6e22fdb7ef07db375db
SHA5126ec42ffda1f8c8245ece5856b6536c3dc9e6ff78bc93ab1a123ee6b01dadd2550ffa8623bd2e21038e27f2a94b305dba02f9abd31576c62d9f3ed90c98974f4b
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Filesize
82KB
MD5112e2e3d0f9b5bdfc715836bfd6360cf
SHA13376a739daff15255ad9b6552897856df1778ed1
SHA256739998c19476d853c1c4264b79f01c4c3429c8e34746a6e22fdb7ef07db375db
SHA5126ec42ffda1f8c8245ece5856b6536c3dc9e6ff78bc93ab1a123ee6b01dadd2550ffa8623bd2e21038e27f2a94b305dba02f9abd31576c62d9f3ed90c98974f4b
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Filesize
82KB
MD5112e2e3d0f9b5bdfc715836bfd6360cf
SHA13376a739daff15255ad9b6552897856df1778ed1
SHA256739998c19476d853c1c4264b79f01c4c3429c8e34746a6e22fdb7ef07db375db
SHA5126ec42ffda1f8c8245ece5856b6536c3dc9e6ff78bc93ab1a123ee6b01dadd2550ffa8623bd2e21038e27f2a94b305dba02f9abd31576c62d9f3ed90c98974f4b