b8679b2fabfde6416ec8c7cf1d2d5eeca2c1ed5fdc8dc5d8cb7b11edaafa2be8

Analysis

max time kernel
119s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 13:20

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General

Target

OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe
Size

1.4MB
MD5

3b8df9d91686abf51fd6db510ca8a9ed
SHA1

52296a689e0d9c07a5eb018c21fdfeb64c0239c6
SHA256

f888c4770bbbbcad15c357d6731ff8f5afd7e62e4c35652f3dc3ede6c36b66e9
SHA512

8b7d4017b747e680aef9eaa9ecea91a1e6295c69e4a5ee846b6159fbf6a7ddd0668cb54ff9006682b0d17f33054ad0a67a74e89ae8c9aa3ccc69d5ba0a31371f
SSDEEP

24576:Ae8Sdf0hsacM3n3CzewoMIUrZMVo6b+G5JiZTnkrd++9c4350s:GSpgsaXnW26mt+GKTK1aA50s

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sign.vbs	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4800	2180	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2180	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe
Token: SeDebugPrivilege	2180	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 4800	2180	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe	30
PID 2180 wrote to memory of 4800	2180	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe	30
PID 2180 wrote to memory of 4800	2180	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe	30
PID 2180 wrote to memory of 4800	2180	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe	30

C:\Users\Admin\AppData\Local\Temp\OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe
"C:\Users\Admin\AppData\Local\Temp\OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe"
1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 704
  2⤵
  - Program crash
  PID:4800

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/2180-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2180-1-0x00000000013E0000-0x0000000001542000-memory.dmp

Filesize
1.4MB

Download
memory/2180-2-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-3-0x0000000004A60000-0x0000000004B76000-memory.dmp

Filesize
1.1MB

Download
memory/2180-4-0x0000000005210000-0x0000000005324000-memory.dmp

Filesize
1.1MB

Download
memory/2180-5-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-10-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-12-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-14-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-16-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-8-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-6-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-18-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-20-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-22-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-24-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-28-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-30-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-32-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-26-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-34-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-36-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-38-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-40-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-42-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-44-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-46-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-48-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-50-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-52-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-54-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-56-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-58-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-60-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-62-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-64-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-66-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-68-0x0000000005210000-0x000000000531D000-memory.dmp

Filesize
1.1MB

Download
memory/2180-1341-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-1342-0x00000000011D0000-0x000000000123C000-memory.dmp

Filesize
432KB

Download
memory/2180-1343-0x0000000001300000-0x000000000136A000-memory.dmp

Filesize
424KB

Download
memory/2180-1344-0x0000000000800000-0x000000000084C000-memory.dmp

Filesize
304KB

Download
memory/2180-1345-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2180-1346-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-1347-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-1348-0x0000000004B80000-0x0000000004BD4000-memory.dmp

Filesize
336KB

Download
memory/2180-1351-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download