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Analysis
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max time kernel
66s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
24/12/2023, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
17a45f069b06b773331c74553f1b4609.exe
Resource
win7-20231129-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
17a45f069b06b773331c74553f1b4609.exe
Resource
win10v2004-20231215-en
1 signatures
150 seconds
General
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Target
17a45f069b06b773331c74553f1b4609.exe
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Size
329KB
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MD5
17a45f069b06b773331c74553f1b4609
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SHA1
ee7a076b0f6fb006df63d85f12d26616681e1229
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SHA256
22e70fa3a9da947966babc4af099e1f0517da5d59794c8037953644bb6c66f67
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SHA512
afcbc1405ec391a4632976df26a793f64e0ac8af8e763affe9148ebb6e60db895884350e299fddc349637276d763436ea153a1117e401df153e7b85876b3ae02
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SSDEEP
6144:rYwaU+TjJ56Qy/VfoUKIVflNiLoWtMn9QJTPPWZYbBt:0wP+PuQEfooiX+n9Q1nWZC
Score
7/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3000 myowul.exe -
Loads dropped DLL 2 IoCs
pid Process 2060 17a45f069b06b773331c74553f1b4609.exe 2060 17a45f069b06b773331c74553f1b4609.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\{F08D48C8-DA76-AD4E-F540-ECC2E1DBCFDF} = "C:\\Users\\Admin\\AppData\\Roaming\\Ifes\\myowul.exe" myowul.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2060 set thread context of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 -
Program crash 2 IoCs
pid pid_target Process procid_target 1080 2432 WerFault.exe 16 1880 1080 WerFault.exe 17 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Privacy 17a45f069b06b773331c74553f1b4609.exe Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0" 17a45f069b06b773331c74553f1b4609.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe 3000 myowul.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2060 17a45f069b06b773331c74553f1b4609.exe 3000 myowul.exe -
Suspicious use of WriteProcessMemory 57 IoCs
description pid Process procid_target PID 2060 wrote to memory of 3000 2060 17a45f069b06b773331c74553f1b4609.exe 19 PID 2060 wrote to memory of 3000 2060 17a45f069b06b773331c74553f1b4609.exe 19 PID 2060 wrote to memory of 3000 2060 17a45f069b06b773331c74553f1b4609.exe 19 PID 2060 wrote to memory of 3000 2060 17a45f069b06b773331c74553f1b4609.exe 19 PID 3000 wrote to memory of 1296 3000 myowul.exe 9 PID 3000 wrote to memory of 1296 3000 myowul.exe 9 PID 3000 wrote to memory of 1296 3000 myowul.exe 9 PID 3000 wrote to memory of 1296 3000 myowul.exe 9 PID 3000 wrote to memory of 1296 3000 myowul.exe 9 PID 3000 wrote to memory of 1356 3000 myowul.exe 8 PID 3000 wrote to memory of 1356 3000 myowul.exe 8 PID 3000 wrote to memory of 1356 3000 myowul.exe 8 PID 3000 wrote to memory of 1356 3000 myowul.exe 8 PID 3000 wrote to memory of 1356 3000 myowul.exe 8 PID 3000 wrote to memory of 1400 3000 myowul.exe 7 PID 3000 wrote to memory of 1400 3000 myowul.exe 7 PID 3000 wrote to memory of 1400 3000 myowul.exe 7 PID 3000 wrote to memory of 1400 3000 myowul.exe 7 PID 3000 wrote to memory of 1400 3000 myowul.exe 7 PID 3000 wrote to memory of 1724 3000 myowul.exe 5 PID 3000 wrote to memory of 1724 3000 myowul.exe 5 PID 3000 wrote to memory of 1724 3000 myowul.exe 5 PID 3000 wrote to memory of 1724 3000 myowul.exe 5 PID 3000 wrote to memory of 1724 3000 myowul.exe 5 PID 3000 wrote to memory of 2060 3000 myowul.exe 1 PID 3000 wrote to memory of 2060 3000 myowul.exe 1 PID 3000 wrote to memory of 2060 3000 myowul.exe 1 PID 3000 wrote to memory of 2060 3000 myowul.exe 1 PID 3000 wrote to memory of 2060 3000 myowul.exe 1 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2060 wrote to memory of 2432 2060 17a45f069b06b773331c74553f1b4609.exe 16 PID 2432 wrote to memory of 1080 2432 cmd.exe 17 PID 2432 wrote to memory of 1080 2432 cmd.exe 17 PID 2432 wrote to memory of 1080 2432 cmd.exe 17 PID 2432 wrote to memory of 1080 2432 cmd.exe 17 PID 3000 wrote to memory of 1136 3000 myowul.exe 18 PID 3000 wrote to memory of 1136 3000 myowul.exe 18 PID 3000 wrote to memory of 1136 3000 myowul.exe 18 PID 3000 wrote to memory of 1136 3000 myowul.exe 18 PID 3000 wrote to memory of 1136 3000 myowul.exe 18 PID 3000 wrote to memory of 1080 3000 myowul.exe 17 PID 3000 wrote to memory of 1080 3000 myowul.exe 17 PID 3000 wrote to memory of 1080 3000 myowul.exe 17 PID 3000 wrote to memory of 1080 3000 myowul.exe 17 PID 3000 wrote to memory of 1080 3000 myowul.exe 17 PID 1080 wrote to memory of 1880 1080 WerFault.exe 32 PID 1080 wrote to memory of 1880 1080 WerFault.exe 32 PID 1080 wrote to memory of 1880 1080 WerFault.exe 32 PID 1080 wrote to memory of 1880 1080 WerFault.exe 32 PID 3000 wrote to memory of 2432 3000 myowul.exe 16
Processes
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C:\Users\Admin\AppData\Local\Temp\17a45f069b06b773331c74553f1b4609.exe"C:\Users\Admin\AppData\Local\Temp\17a45f069b06b773331c74553f1b4609.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpec04e090.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 1123⤵
- Program crash
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 5284⤵
- Program crash
PID:1880
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C:\Users\Admin\AppData\Roaming\Ifes\myowul.exe"C:\Users\Admin\AppData\Roaming\Ifes\myowul.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3000
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1724
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1400
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1356
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1296
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C:\Windows\system32\conhost.exe\??\C:\Windows\system32\conhost.exe "-11852257347719672571580179538-1616605547-202549628019061839221325566483-73563184"1⤵PID:1136