4967b99f1aa6817f1664b8b2c769932cecf0bf3d671e9120b3d78ccfafb9847f

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 01:47

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General

Target

msdrives/msdrv.exe
Size

67KB
MD5

6d9ec31b17f13479b1dcdeb3a790883e
SHA1

1302901cc26a559437a18bc0b9d0f2ba4039fff2
SHA256

ebf88afee2655dada60a0dea072e0b803ec5d228ca2c20727b76488c7afbc014
SHA512

de35c3dbceafaa75fdefa7182bb434073fe0c4abee734fb8a7c09eba5bfbb0121544975e86916765387f93da60bbef144d2e258ae42e0068272620bcd86202f1
SSDEEP

1536:eJgHv2qSN7qqOugDy6WUGLr5bq9n0waMJhU1ITSDi0:eJgHv2qIWe7UGLFWOcfTSDf

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral6/memory/1972-0-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral6/memory/4444-2-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral6/memory/2536-3-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral6/memory/1972-6-0x0000000000400000-0x000000000042B000-memory.dmp	upx

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdrv.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1972	msdrv.exe
1972	msdrv.exe
4444	msdrv.exe
4444	msdrv.exe
2536	msdrv.exe
2536	msdrv.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 4444	1972	msdrv.exe	82
PID 1972 wrote to memory of 4444	1972	msdrv.exe	82
PID 1972 wrote to memory of 4444	1972	msdrv.exe	82
PID 1972 wrote to memory of 2536	1972	msdrv.exe	83
PID 1972 wrote to memory of 2536	1972	msdrv.exe	83
PID 1972 wrote to memory of 2536	1972	msdrv.exe	83

C:\Users\Admin\AppData\Local\Temp\msdrives\msdrv.exe
"C:\Users\Admin\AppData\Local\Temp\msdrives\msdrv.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\msdrives\msdrv.exe
  "C:\Users\Admin\AppData\Local\Temp\msdrives\msdrv.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4444
- C:\Users\Admin\AppData\Local\Temp\msdrives\msdrv.exe
  "C:\Users\Admin\AppData\Local\Temp\msdrives\msdrv.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1972-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1972-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2536-3-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4444-2-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download