d54b5158bd3aaf096d01bebfb1a78621196abadc02c03340beace6b2d04bb7ac

Analysis

max time kernel
149s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 12:41

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General

Target

Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe
Size

39KB
MD5

f20cfd1d53cb58ab25f4e0501989d68f
SHA1

b93740498f1bcf1bf41270a3992763795e8d864a
SHA256

d54b5158bd3aaf096d01bebfb1a78621196abadc02c03340beace6b2d04bb7ac
SHA512

1985c271cd5ca8f71990ec98240b840cc4b7f8000f8a35b4dba26ca2d2bf931ade0c9c4ce2d10bd9eb61c802e1082edfffd42907b0887682d4f944989cb26245
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6ID:e6q10k0EFjed6rqJ+6vghzwYu7vih9GH

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1496	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1496	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

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	Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1496	1760	Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe	30
PID 1760 wrote to memory of 1496	1760	Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe	30
PID 1760 wrote to memory of 1496	1760	Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe	30
PID 1760 wrote to memory of 1496	1760	Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe	30

C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_f20cfd1d53cb58ab25f4e0501989d68f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1496

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:\Windows\microsofthelp.exe

Filesize
39KB

MD5
65717f046b45cd37aa19369465a4c47e

SHA1
7826d30fee1d1caf669769f3925ae9ea592df5a8

SHA256
0fe088eb1c473b53dbe44ec74d997e85a6297b592c8395cfb57f73fc60f28144

SHA512
9dac6e673fd34c951fc26613d86071a8816dfdcce9224cf93f5f78bc1f687839954c286048aa2ee01ff15734bd6327b1dda4c63ea499fffa0f7252dae64d2651

Download Submit
memory/1496-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1760-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1760-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads