ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9

Analysis

max time kernel
103s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 16:03

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General

Target
ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
Size 975KB
Sample250327-thrdbawrs5
SHA256 ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9
MD5 1d51a399962939a06396a4b4944eb33c
SHA1 c7f4dfb774d0998df523e4c799f32ea4560be3ea
SHA512 5a5ca673ade811e2ccaec97ed89d5cbb8b4ef361eef9de2aca3f7631ac197995d526fbff07a3e1466dc0c55e1e8db612cfbb8d78e7047f141cae376c27fb4cda
SSDEEP 24576:1u6J33O0c+JY5UZ+XC0kGso6FaUQGdLiPB8fWY:Xu0c++OCvkGs9FaUQbPBnY
MD5 SHA1 SHA512 SSDEEP

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\surmit.vbs	surmit.exe

Executes dropped EXE 1 IoCs

pid	Process
224	surmit.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x00070000000240f0-9.dat	autoit_exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3804	224	WerFault.exe	90

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	surmit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4700	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
4700	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
224	surmit.exe
224	surmit.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4700	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
4700	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
224	surmit.exe
224	surmit.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 224	4700	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe	90
PID 4700 wrote to memory of 224	4700	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe	90
PID 4700 wrote to memory of 224	4700	ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe	90
PID 224 wrote to memory of 3608	224	surmit.exe	91
PID 224 wrote to memory of 3608	224	surmit.exe	91
PID 224 wrote to memory of 3608	224	surmit.exe	91

C:\Users\Admin\AppData\Local\Temp\ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe
"C:\Users\Admin\AppData\Local\Temp\ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\untrashed\surmit.exe
  "C:\Users\Admin\AppData\Local\Temp\ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.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:224
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9.exe"
    3⤵
    PID:3608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 696
    3⤵
    - Program crash
    PID:3804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 224 -ip 224
1⤵
PID:1372

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

surmit.exe

Path C:\Users\Admin\AppData\Local\untrashed\surmit.exe
Size 975KB
SHA256 ec50af21b4179d62b3d9b417b5c1bedbd83ca369f3358e0ffe7073d3187bb8a9
MD5 1d51a399962939a06396a4b4944eb33c
SHA1 c7f4dfb774d0998df523e4c799f32ea4560be3ea
SHA512 5a5ca673ade811e2ccaec97ed89d5cbb8b4ef361eef9de2aca3f7631ac197995d526fbff07a3e1466dc0c55e1e8db612cfbb8d78e7047f141cae376c27fb4cda
SSDEEP 24576:1u6J33O0c+JY5UZ+XC0kGso6FaUQGdLiPB8fWY:Xu0c++OCvkGs9FaUQbPBnY
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/224-18-0x0000000001220000-0x0000000001620000-memory.dmp

Download

memory/4700-6-0x00000000017B0000-0x0000000001BB0000-memory.dmp