48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb

General

Target
48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe
Size 938KB
Sample201109-467peqtkcs
SHA256 48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb
MD5 b5f175e433dadf0aa860e725e97772bf
SHA1 253630762dd8b05d021c103600de3e578b6b7ff9
SHA512 ddf8d44f65e139ca33f93e707b18b8f23f9efda5f7470b9f2e8f1ef16b6f3d9121634354c8eaf220107d7f8ee33621c7932260c16035d147f447b164415e6fc3
MD5 SHA1 SHA512

Score

9^/10

evasion upx

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/316-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/316-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/316-7-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/520-8-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Wine	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 740 set thread context of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe
520	calc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 740 wrote to memory of 316	740	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	29
PID 316 wrote to memory of 520	316	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	30
PID 316 wrote to memory of 520	316	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	30
PID 316 wrote to memory of 520	316	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	30
PID 316 wrote to memory of 520	316	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	30
PID 316 wrote to memory of 520	316	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	30

C:\Users\Admin\AppData\Local\Temp\48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe
"C:\Users\Admin\AppData\Local\Temp\48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe"
1⤵
- Drops startup file
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe
  "C:\Users\Admin\AppData\Local\Temp\48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:316
- - C:\Windows\SysWOW64\calc.exe
    calc.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/316-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Download

memory/316-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Download

memory/316-7-0x0000000000C80000-0x0000000000C96000-memory.dmp

Download

memory/520-8-0x0000000000C80000-0x0000000000C96000-memory.dmp

Download

memory/740-0-0x0000000003C60000-0x0000000003C71000-memory.dmp

Download

memory/740-1-0x0000000004070000-0x0000000004081000-memory.dmp

Download

memory/788-10-0x000007FEF7300000-0x000007FEF757A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads