Analysis
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max time kernel
125s -
max time network
53s -
platform
windows10-2004_x64 -
resource
win10v2004-20231201-en -
resource tags
arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2023 16:58
Static task
static1
Behavioral task
behavioral1
Sample
05.12.2023tahsilsenedibilgileri.xls.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
05.12.2023tahsilsenedibilgileri.xls.exe
Resource
win10v2004-20231201-en
General
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Target
05.12.2023tahsilsenedibilgileri.xls.exe
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Size
681KB
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MD5
3270695f929b3f2499f9f56d76c9b08f
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SHA1
32e75a939b0ae09a898339004afa4bbeb3ce6d68
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SHA256
c7c0a22744179c319910d7c9508866ebfc6d35beeee844b8462bab9c04af4b19
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SHA512
23360736cdda1b3cd4cf07046936f512d3ab9c50c47422f1e7d3e689ad5143ef450ea8b3f0660c38a892c6191023b16b731c559ed11b3104e74b60f8986110f5
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SSDEEP
12288:Xy7KE6jD/62iNG5nF8rmi9VEsqhzUoo3j3D829wV1wIctP/T:X6KtD/61IGzEsGInjwV1wFtX
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.ozakaluminyum.com - Port:
587 - Username:
[email protected] - Password:
ETKghx*c3KoQ
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3860-13-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral2/memory/3860-17-0x0000000005850000-0x0000000005860000-memory.dmp family_snakekeylogger -
Suspicious use of SetThreadContext 1 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exedescription pid process target process PID 4700 set thread context of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4852 3860 WerFault.exe 05.12.2023tahsilsenedibilgileri.xls.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exe05.12.2023tahsilsenedibilgileri.xls.exepid process 4700 05.12.2023tahsilsenedibilgileri.xls.exe 4700 05.12.2023tahsilsenedibilgileri.xls.exe 4700 05.12.2023tahsilsenedibilgileri.xls.exe 4700 05.12.2023tahsilsenedibilgileri.xls.exe 4700 05.12.2023tahsilsenedibilgileri.xls.exe 4700 05.12.2023tahsilsenedibilgileri.xls.exe 3860 05.12.2023tahsilsenedibilgileri.xls.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exe05.12.2023tahsilsenedibilgileri.xls.exedescription pid process Token: SeDebugPrivilege 4700 05.12.2023tahsilsenedibilgileri.xls.exe Token: SeDebugPrivilege 3860 05.12.2023tahsilsenedibilgileri.xls.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
05.12.2023tahsilsenedibilgileri.xls.exedescription pid process target process PID 4700 wrote to memory of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 4700 wrote to memory of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 4700 wrote to memory of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 4700 wrote to memory of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 4700 wrote to memory of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 4700 wrote to memory of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 4700 wrote to memory of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe PID 4700 wrote to memory of 3860 4700 05.12.2023tahsilsenedibilgileri.xls.exe 05.12.2023tahsilsenedibilgileri.xls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3860 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 14483⤵
- Program crash
PID:4852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3860 -ip 38601⤵PID:4372
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\05.12.2023tahsilsenedibilgileri.xls.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3