Analysis
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max time kernel
95s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-11-2024 18:23
Static task
static1
Behavioral task
behavioral1
Sample
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe
Resource
win7-20241010-en
General
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Target
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe
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Size
1.4MB
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MD5
c28ef8671a7f140f9385ab177e38844b
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SHA1
4cc35c23f2ce252413249ecd2ea47967fc00d5a4
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SHA256
ffa58ebc168e4a19c311097b97645a5d8801db2326f4e8784b634c3e2e2de991
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SHA512
6ce012bf3c1024eef4a47f54c86e3819175816d6c39bfa2216d1d522fc9612637473d8c6be2f4f203f52fc38c2bf887ed6e748ff5c18ee960fb0d82014ade82a
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SSDEEP
12288:2fcOokxZ4FK9VlPprK7w5NljuDvdLwLEcXq8dxSaDygxpy3nZOJcllvB:2P8FMhQiXhxkKcOUv
Malware Config
Extracted
quasar
1.4.1
Chim
aboushagor.ydns.eu:6542
0b30f45d-3c54-4926-a32f-8a1dc077eb21
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encryption_key
799E5C34BA6EC18D72E269D0C5CF1A5AC1AD9277
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install_name
windows update.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
svchost
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/744-1098-0x0000000000400000-0x0000000000724000-memory.dmp family_quasar -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
Processes:
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exedescription pid process target process PID 2120 created 3584 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe Explorer.EXE -
Drops startup file 1 IoCs
Processes:
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StackTrace.vbs New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exedescription pid process target process PID 2120 set thread context of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
InstallUtil.exeschtasks.exeNew Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exepid process 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe Token: SeDebugPrivilege 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe Token: SeDebugPrivilege 744 InstallUtil.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exeInstallUtil.exedescription pid process target process PID 2120 wrote to memory of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe PID 2120 wrote to memory of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe PID 2120 wrote to memory of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe PID 2120 wrote to memory of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe PID 2120 wrote to memory of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe PID 2120 wrote to memory of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe PID 2120 wrote to memory of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe PID 2120 wrote to memory of 744 2120 New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe InstallUtil.exe PID 744 wrote to memory of 3540 744 InstallUtil.exe schtasks.exe PID 744 wrote to memory of 3540 744 InstallUtil.exe schtasks.exe PID 744 wrote to memory of 3540 744 InstallUtil.exe schtasks.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3584
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C:\Users\Admin\AppData\Local\Temp\New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe"C:\Users\Admin\AppData\Local\Temp\New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\windows update.exe" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3540
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