8c821276451d8a16d15182bc27f88142400b6a58ff9f2e40bee64f08a182895d

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 11:06

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General

Target

AutoMail/smtpsend.dll
Size

756KB
MD5

e1ed4880f4587db43d81e61d6d713449
SHA1

bc52dd0c97c83b26f53dcf0739a888cd273ffd62
SHA256

05a99cbc53831695b877337c8f4a59a9e5447aeeb732c5276d02721b037729cd
SHA512

09a65abbff2391e299691fe2f109776df97021c8185ec80ae458e9b0c2d51eaec81605bc226d49ca9a3340631c93031d22881ccc1d1dae15472b91512f322951
SSDEEP

12288:RfMu5v54chKLpbAI/wffWUc0TJ/M7FOWYRcFfEU7ZybTpmFmp07XeSFcE:Rffv54chKL+TJ/M7FOWYRcFfEU7ZybNg

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2168	2236	WerFault.exe	30

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	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2444 wrote to memory of 2236	2444	rundll32.exe	30
PID 2236 wrote to memory of 2168	2236	rundll32.exe	31
PID 2236 wrote to memory of 2168	2236	rundll32.exe	31
PID 2236 wrote to memory of 2168	2236	rundll32.exe	31
PID 2236 wrote to memory of 2168	2236	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoMail\smtpsend.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoMail\smtpsend.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 224
    3⤵
    - Program crash
    PID:2168

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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