4c269e43d99dbd557bd75b79ddf1ca143d006de9b096936403e75b1178751f66

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 13:01

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General

Target

keygen-step-3.exe
Size

873KB
MD5

265cadde82b0c66dc39ad2d9ee800754
SHA1

2e9604eade6951d5a5b4a44bee1281e32166f395
SHA256

40fd6a0b671a0e5074a206201f57f7731a0d01baab5874b28a9b0f019a451c5a
SHA512

c99f3a5464e1ac02402814401c2cb66a9fafb794356395c1081bdf3c4c3534086498c19efe4055780a52a1bb80db81658c2cb4af5271015af51edf7bd3865e7b
SSDEEP

12288:8jCwd+3hwSk5EYjUpfRNHpU1/QQ21fg7n7rOQm1/EMKK9kE8D2sMJnKhUGis5smD:8jC53hATU3NWSq7n7ry3Z62vn4b5HAl

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2392	winnetdriv.exe

Executes dropped EXE 1 IoCs

pid	Process
2392	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 4 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2392	2384	keygen-step-3.exe	30
PID 2384 wrote to memory of 2392	2384	keygen-step-3.exe	30
PID 2384 wrote to memory of 2392	2384	keygen-step-3.exe	30
PID 2384 wrote to memory of 2392	2384	keygen-step-3.exe	30

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:2384
- C:\Windows\winnetdriv.exe
  "C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe" 1731243711 0
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2392

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
873KB

MD5
265cadde82b0c66dc39ad2d9ee800754

SHA1
2e9604eade6951d5a5b4a44bee1281e32166f395

SHA256
40fd6a0b671a0e5074a206201f57f7731a0d01baab5874b28a9b0f019a451c5a

SHA512
c99f3a5464e1ac02402814401c2cb66a9fafb794356395c1081bdf3c4c3534086498c19efe4055780a52a1bb80db81658c2cb4af5271015af51edf7bd3865e7b

Download Submit
memory/2384-0-0x0000000000460000-0x0000000000545000-memory.dmp

Filesize
916KB

Download
memory/2392-13-0x0000000000550000-0x0000000000635000-memory.dmp

Filesize
916KB

Download