f1fbf324610906410a9c24bbdc2088647164cbacfcff400382cfa83a025c2984

Analysis

max time kernel
148s
max time network
148s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
20/04/2023, 13:30

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General

Target

facturas.exe
Size

625KB
MD5

5192e989e4127439bf8d14df260b0012
SHA1

4ca7737e47bb98da7a2aa764f680a0f782244f5e
SHA256

8fdf3ed254c5e95ac1f1e6647a2ae33123c8635aff1a167c9e59fc1c7516f711
SHA512

bf865bf5d90592e50547813d5c909c5c784934a45b2ee4002c3dea630b7680895728c5520ebf940966d7024d07be15b954eed4185fde7f04afc099d99211278d
SSDEEP

6144:sMm4CCHM4NL26fgvL6p1K6tCNmeiR9zwdXcBoTo:sMwg/NL26fgvOKkCmeiz08oTo

Score

7^/10

Malware Config

Signatures

Checks QEMU agent file 2 TTPs 1 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	facturas.exe

Loads dropped DLL 2 IoCs

pid	Process
68	facturas.exe
68	facturas.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
68	facturas.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 68 set thread context of 2064	68	facturas.exe	66

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
68	facturas.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 68 wrote to memory of 2064	68	facturas.exe	66
PID 68 wrote to memory of 2064	68	facturas.exe	66
PID 68 wrote to memory of 2064	68	facturas.exe	66
PID 68 wrote to memory of 2064	68	facturas.exe	66

C:\Users\Admin\AppData\Local\Temp\facturas.exe
"C:\Users\Admin\AppData\Local\Temp\facturas.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:68
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Users\Admin\AppData\Local\Temp\facturas.exe"
  2⤵
  PID:2064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsd5DB6.tmp\AdvSplash.dll

Filesize
6KB

MD5
1871af84805057b5ebc05ee46b56625d

SHA1
50e1c315ad30f5f3f300c7cd9dd0d5d626fe0167

SHA256
62b3db0446750ca9fd693733eec927acc1f50012a47785343286e63b650b7621

SHA512
c1979ee98dfdb807776c439218528d80b4b244a87e692f1538e40f9c2c82db8b77485eb1429325b6f44419bf1f4cd454e43ff381eff077a8b4f4d9eb0d7e54d4

Download Submit
\Users\Admin\AppData\Local\Temp\nsd5DB6.tmp\System.dll

Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit