200ddcab89956d3d97e74c45765e109e6ee0a18622cdcfbd21844c1676bdc562

Resubmissions

08/09/2024, 11:54

240908-n2yc3sxarb 8

08/09/2024, 11:49

08/09/2024, 11:49

08/09/2024, 11:48

08/09/2024, 11:43

Analysis

max time kernel
161s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 11:54

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General

Target

F_Key_Sender.exe
Size

234KB
MD5

5d168d9c5151ac785599cdae87544cac
SHA1

a8348defb42f5e9ee127d48fc74e7f362ae2edd4
SHA256

200ddcab89956d3d97e74c45765e109e6ee0a18622cdcfbd21844c1676bdc562
SHA512

d27ca55733be3eeaf4d92112bf4051d69922ed26fd04efdb291084045c14ea881e741300b9317f568ad34392d47daca908f32d8c5398a0a5f6ed8cbc3fa3ed9a
SSDEEP

6144:yTPeKCgLOWPAPqF8GLFKCgLOWPAPPFkGh+:yTlCguP28G4CguPNkG0

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
2848	takeown.exe
2768	icacls.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2848	takeown.exe
2768	icacls.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2544	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2940	F_Key_Sender.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2848	2868	cmd.exe	33
PID 2868 wrote to memory of 2848	2868	cmd.exe	33
PID 2868 wrote to memory of 2848	2868	cmd.exe	33
PID 2868 wrote to memory of 2768	2868	cmd.exe	34
PID 2868 wrote to memory of 2768	2868	cmd.exe	34
PID 2868 wrote to memory of 2768	2868	cmd.exe	34
PID 2868 wrote to memory of 2544	2868	cmd.exe	36
PID 2868 wrote to memory of 2544	2868	cmd.exe	36
PID 2868 wrote to memory of 2544	2868	cmd.exe	36
PID 2544 wrote to memory of 560	2544	powershell.exe	37
PID 2544 wrote to memory of 560	2544	powershell.exe	37
PID 2544 wrote to memory of 560	2544	powershell.exe	37

C:\Users\Admin\AppData\Local\Temp\F_Key_Sender.exe
"C:\Users\Admin\AppData\Local\Temp\F_Key_Sender.exe"
1⤵
- Suspicious use of FindShellTrayWindow
PID:2940

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\system32\takeown.exe
  takeown /f Desktop
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:2848
- C:\Windows\system32\icacls.exe
  icacls Desktop /grant everyone:(f)
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:2768
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell wininit
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\system32\wininit.exe
    "C:\Windows\system32\wininit.exe"
    3⤵
    PID:560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2544-12-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

Filesize
2.9MB

Download
memory/2544-13-0x0000000001E90000-0x0000000001E98000-memory.dmp

Filesize
32KB

Download
memory/2940-0-0x000007FEF5983000-0x000007FEF5984000-memory.dmp

Filesize
4KB

Download
memory/2940-1-0x000000013F0E0000-0x000000013F11C000-memory.dmp

Filesize
240KB

Download
memory/2940-2-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/2940-3-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/2940-4-0x000007FEF5983000-0x000007FEF5984000-memory.dmp

Filesize
4KB

Download
memory/2940-5-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/2940-6-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/2940-7-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download