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
behavioral2/memory/216-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/216-6-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/216-7-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/1508-8-0x0000000000C80000-0x0000000000C96000-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-1-5-21-3341490333-719741536-2920803124-1000\Software\Wine	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3408 set thread context of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe
3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe
1508	calc.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76
PID 3408 wrote to memory of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76
PID 3408 wrote to memory of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76
PID 3408 wrote to memory of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76
PID 3408 wrote to memory of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76
PID 3408 wrote to memory of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76
PID 3408 wrote to memory of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76
PID 3408 wrote to memory of 216	3408	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	76
PID 216 wrote to memory of 1952	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	77
PID 216 wrote to memory of 1952	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	77
PID 216 wrote to memory of 1952	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	77
PID 216 wrote to memory of 3288	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	78
PID 216 wrote to memory of 3288	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	78
PID 216 wrote to memory of 3288	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	78
PID 216 wrote to memory of 1508	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	79
PID 216 wrote to memory of 1508	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	79
PID 216 wrote to memory of 1508	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	79
PID 216 wrote to memory of 1508	216	48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe	79

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:3408
- C:\Users\Admin\AppData\Local\Temp\48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe
  "C:\Users\Admin\AppData\Local\Temp\48236bb4fa38724fb0a368673e14c364fde3fa5e95ba42db44a0193ba4c13beb.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\calc.exe
    calc.exe
    3⤵
    PID:1952
- - C:\Windows\SysWOW64\calc.exe
    calc.exe
    3⤵
    PID:3288
- - C:\Windows\SysWOW64\calc.exe
    calc.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1508

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/216-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Download

memory/216-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

Download

memory/216-7-0x0000000000C80000-0x0000000000C96000-memory.dmp

Download

memory/1508-8-0x0000000000C80000-0x0000000000C96000-memory.dmp

Download

memory/3408-0-0x0000000004170000-0x0000000004171000-memory.dmp

Download

memory/3408-1-0x0000000004970000-0x0000000004971000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads