798c35cdaf9d1be6b57310091bc555d2935ff8fdbe20eae5282986ea178c3348

Analysis

max time kernel
132s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 08:20

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General

Target

keygen-step-3.exe
Size

869KB
MD5

f51bfbbc86931dbc96c6b4be4b4c3659
SHA1

9befbb82364dbc2f09afc9dedd4caeedc9434515
SHA256

059cd9bb3ad74aa7d4a7720c03e07114e89f770dd76523f56febd95f408b8cd3
SHA512

15da6cdaa3aca5abb7f06b6b49d6f1fdc20726c3dbaae832050a066cf0aa588fc344fceca23f3309bd4d158b46651eb2b0ef6c3e42381ac4d01634a3b8bd61ac
SSDEEP

24576:mV3TJTgieFtoQjNfh9FaXASi9i3kRha7cYWc:mV31Eby6fjs3kRha5W

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4576	winnetdriv.exe

Executes dropped EXE 1 IoCs

pid	Process
4576	winnetdriv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\winnetdriv.exe	keygen-step-3.exe
File opened for modification	C:\Windows\winnetdriv.exe	keygen-step-3.exe

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	keygen-step-3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winnetdriv.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 4576	2332	keygen-step-3.exe	84
PID 2332 wrote to memory of 4576	2332	keygen-step-3.exe	84
PID 2332 wrote to memory of 4576	2332	keygen-step-3.exe	84

C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe
"C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\winnetdriv.exe
  "C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe" 1730794843 0
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4576

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

C:\Windows\winnetdriv.exe

Filesize
869KB

MD5
f51bfbbc86931dbc96c6b4be4b4c3659

SHA1
9befbb82364dbc2f09afc9dedd4caeedc9434515

SHA256
059cd9bb3ad74aa7d4a7720c03e07114e89f770dd76523f56febd95f408b8cd3

SHA512
15da6cdaa3aca5abb7f06b6b49d6f1fdc20726c3dbaae832050a066cf0aa588fc344fceca23f3309bd4d158b46651eb2b0ef6c3e42381ac4d01634a3b8bd61ac

Download Submit
memory/2332-0-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

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