7b3581e00e5a8fb75665517442c73ea77625516e97f9b3185dd95dfc695c48b2

Analysis

max time kernel
106s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 08:53

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General

Target

5bb09cbd5c808306bb11b116d31275b0N.exe
Size

78KB
MD5

5bb09cbd5c808306bb11b116d31275b0
SHA1

872b8cc2e62d22c3aa8f3bf27e21316a18717edc
SHA256

7b3581e00e5a8fb75665517442c73ea77625516e97f9b3185dd95dfc695c48b2
SHA512

6594465fc7fe0c1e37542311601d038433f31b496daed48949a931cabbe7a9f967dc5f6a25a882afc24bfd39e13e7cc644d50a4bd10cf97734791585189f4b95
SSDEEP

1536:kP6RJLbSshapMJgK+hxaZUux1imfJPtOrqm1s/XZydNbM:06RJz25KnZFvVfJPtOrqm2/XZuC

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2952	winlgon.exe

Loads dropped DLL 2 IoCs

pid	Process
1428	5bb09cbd5c808306bb11b116d31275b0N.exe
1428	5bb09cbd5c808306bb11b116d31275b0N.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	5bb09cbd5c808306bb11b116d31275b0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	5bb09cbd5c808306bb11b116d31275b0N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2212	1428	WerFault.exe	29

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	winlgon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5bb09cbd5c808306bb11b116d31275b0N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1428	5bb09cbd5c808306bb11b116d31275b0N.exe
2952	winlgon.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 2952	1428	5bb09cbd5c808306bb11b116d31275b0N.exe	30
PID 1428 wrote to memory of 2952	1428	5bb09cbd5c808306bb11b116d31275b0N.exe	30
PID 1428 wrote to memory of 2952	1428	5bb09cbd5c808306bb11b116d31275b0N.exe	30
PID 1428 wrote to memory of 2952	1428	5bb09cbd5c808306bb11b116d31275b0N.exe	30
PID 1428 wrote to memory of 2212	1428	5bb09cbd5c808306bb11b116d31275b0N.exe	31
PID 1428 wrote to memory of 2212	1428	5bb09cbd5c808306bb11b116d31275b0N.exe	31
PID 1428 wrote to memory of 2212	1428	5bb09cbd5c808306bb11b116d31275b0N.exe	31
PID 1428 wrote to memory of 2212	1428	5bb09cbd5c808306bb11b116d31275b0N.exe	31

C:\Users\Admin\AppData\Local\Temp\5bb09cbd5c808306bb11b116d31275b0N.exe
"C:\Users\Admin\AppData\Local\Temp\5bb09cbd5c808306bb11b116d31275b0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1428
- \??\c:\users\admin\appdata\local\temp\winlgon.exe
  c:\users\admin\appdata\local\temp\winlgon.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 204
  2⤵
  - Program crash
  PID:2212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\winlgon.exe

Filesize
78KB

MD5
7674277b76fd0b0994c1bae00ecaf5fe

SHA1
b1aec6fc2a804a2f7b12958c00c37248f82eff75

SHA256
5dccffc1d573f7ecfadb818526384b3113c0db462b5ade9273eca061e64bd2a5

SHA512
877d030997f2abfb60b23fb3657541eecd1fcd86701bb0c8be3254d6df368907609af0419cbea60e9b302eb2dce7bff2780092581f9b5c61afd7df77819718d4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads