9938c0da9c07f8ac35c6459e1dc988c64e10ddc70f4e95db63e34422d14e764b

Analysis

max time kernel
103s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2025, 15:15

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General

Target

QUOTATION022450.exe
Size

1.3MB
MD5

b22d066dc7407e782268c2b465401d29
SHA1

3f9acf93951ac8c569dc6125031af1e353771b3c
SHA256

9938c0da9c07f8ac35c6459e1dc988c64e10ddc70f4e95db63e34422d14e764b
SHA512

5832d068b1f503c1091af1b283c97fa101c4fa546c38416c9a191da684815824c03325371ef0d89666eac3e3310efe448ed7ac2810ba402e7a7bb6d533bffbe5
SSDEEP

24576:du6J33O0c+JY5UZ+XC0kGso6FaR0iNiQWBTL+WY:vu0c++OCvkGs9FaRDNibVY

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\rhombical.vbs	rhombical.exe

Executes dropped EXE 1 IoCs

pid	Process
5160	rhombical.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0007000000024219-9.dat	autoit_exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4972	5160	WerFault.exe	88

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	QUOTATION022450.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rhombical.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2160	QUOTATION022450.exe
2160	QUOTATION022450.exe
5160	rhombical.exe
5160	rhombical.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2160	QUOTATION022450.exe
2160	QUOTATION022450.exe
5160	rhombical.exe
5160	rhombical.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 5160	2160	QUOTATION022450.exe	88
PID 2160 wrote to memory of 5160	2160	QUOTATION022450.exe	88
PID 2160 wrote to memory of 5160	2160	QUOTATION022450.exe	88
PID 5160 wrote to memory of 3244	5160	rhombical.exe	89
PID 5160 wrote to memory of 3244	5160	rhombical.exe	89
PID 5160 wrote to memory of 3244	5160	rhombical.exe	89

C:\Users\Admin\AppData\Local\Temp\QUOTATION022450.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION022450.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\stickers\rhombical.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTATION022450.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:5160
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION022450.exe"
    3⤵
    PID:3244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5160 -s 696
    3⤵
    - Program crash
    PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5160 -ip 5160
1⤵
PID:636

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

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Downloads

C:\Users\Admin\AppData\Local\stickers\rhombical.exe

Filesize
1.3MB

MD5
b22d066dc7407e782268c2b465401d29

SHA1
3f9acf93951ac8c569dc6125031af1e353771b3c

SHA256
9938c0da9c07f8ac35c6459e1dc988c64e10ddc70f4e95db63e34422d14e764b

SHA512
5832d068b1f503c1091af1b283c97fa101c4fa546c38416c9a191da684815824c03325371ef0d89666eac3e3310efe448ed7ac2810ba402e7a7bb6d533bffbe5

Download Submit
memory/2160-6-0x00000000010C0000-0x00000000014C0000-memory.dmp

Filesize
4.0MB

Download
memory/5160-18-0x00000000012C0000-0x00000000016C0000-memory.dmp

Filesize
4.0MB

Download