3efc2b27292ebddae979c22e9d9098832f35faa1c3403ef58f5b20e8e1e2f0c9

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15/08/2024, 04:29

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General

Target
AE08332Q0020499AEDXB.PDF.exe
Size 833KB
Sample240815-e39casvcnb
SHA256 3efc2b27292ebddae979c22e9d9098832f35faa1c3403ef58f5b20e8e1e2f0c9
MD5 fcf9e081cfe7f78b461cc0fb13225d84
SHA1 86b05fafb5c3134b4dfca9498205dba689b24fbb
SHA512 a55cca7435e8d56361dae2bb7247a1aff01e7442a3db4e2af22034f9e6aaa3883a0209f5ce38d2e631e5daed8d942372a0b1842fae95c6ee64939244998c153c
SSDEEP 12288:AoQyRAzSjF72LIaqNWf/yufGObWMucRK27Dn60ZpWTpNP7kju27emS:5gSjF7fJNk5GIZucRKiD6OaLP7kju2C
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2992	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 2752	3032	AE08332Q0020499AEDXB.PDF.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AE08332Q0020499AEDXB.PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2992	powershell.exe
2752	AE08332Q0020499AEDXB.PDF.exe
2752	AE08332Q0020499AEDXB.PDF.exe
2752	AE08332Q0020499AEDXB.PDF.exe
2752	AE08332Q0020499AEDXB.PDF.exe
2752	AE08332Q0020499AEDXB.PDF.exe
2752	AE08332Q0020499AEDXB.PDF.exe
2752	AE08332Q0020499AEDXB.PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2992	3032	AE08332Q0020499AEDXB.PDF.exe	30
PID 3032 wrote to memory of 2992	3032	AE08332Q0020499AEDXB.PDF.exe	30
PID 3032 wrote to memory of 2992	3032	AE08332Q0020499AEDXB.PDF.exe	30
PID 3032 wrote to memory of 2992	3032	AE08332Q0020499AEDXB.PDF.exe	30
PID 3032 wrote to memory of 2752	3032	AE08332Q0020499AEDXB.PDF.exe	32
PID 3032 wrote to memory of 2752	3032	AE08332Q0020499AEDXB.PDF.exe	32
PID 3032 wrote to memory of 2752	3032	AE08332Q0020499AEDXB.PDF.exe	32
PID 3032 wrote to memory of 2752	3032	AE08332Q0020499AEDXB.PDF.exe	32
PID 3032 wrote to memory of 2752	3032	AE08332Q0020499AEDXB.PDF.exe	32
PID 3032 wrote to memory of 2752	3032	AE08332Q0020499AEDXB.PDF.exe	32
PID 3032 wrote to memory of 2752	3032	AE08332Q0020499AEDXB.PDF.exe	32

C:\Users\Admin\AppData\Local\Temp\AE08332Q0020499AEDXB.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\AE08332Q0020499AEDXB.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\AE08332Q0020499AEDXB.PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2992
- C:\Users\Admin\AppData\Local\Temp\AE08332Q0020499AEDXB.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\AE08332Q0020499AEDXB.PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2752-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2752-8-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/2752-18-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/2752-13-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/2752-6-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/2752-17-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/2752-12-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/3032-5-0x0000000005EC0000-0x0000000005F4E000-memory.dmp

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memory/3032-1-0x0000000000320000-0x00000000003F6000-memory.dmp

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memory/3032-0-0x000000007485E000-0x000000007485F000-memory.dmp

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memory/3032-4-0x0000000000470000-0x0000000000486000-memory.dmp

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memory/3032-16-0x0000000074850000-0x0000000074F3E000-memory.dmp

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memory/3032-3-0x0000000000520000-0x000000000053E000-memory.dmp

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memory/3032-2-0x0000000074850000-0x0000000074F3E000-memory.dmp

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