3eaa32b9f5b00206f06c3162b783e70d98f7028448bfbac05cf2a8ae54b22a31

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 08:23

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General

Target

a719c43793561ec8e6f21da751df6050N.exe
Size

8.7MB
MD5

a719c43793561ec8e6f21da751df6050
SHA1

b5854f060108ab82a8e14fc885d2b63d4e984205
SHA256

3eaa32b9f5b00206f06c3162b783e70d98f7028448bfbac05cf2a8ae54b22a31
SHA512

e9e333389a781661ffeec07440c8d995df68386ec3d05209de1d394f3fb5ce132d1b247e4a05a04bb730a230b3fe326a2387eca82d4d388c3765770163209fac
SSDEEP

196608:hCbGPZmVfjsCbGPZmVfjiCbGPZmVfjsCbGPZmVfj2CbGPZmVfjsCbGPZmVfjiCbO:0GmVNGmVrGmVNGmVnGmVNGmVrGmVNGma

Score

6^/10

defense_evasion discovery persistence

Malware Config

Signatures

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\2 = "C:\\ProgramData\\winmgr107.exe"	a719c43793561ec8e6f21da751df6050N.exe

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\a719c43793561ec8e6f21da751df6050N.exe:Zone.Identifier:$DATA	a719c43793561ec8e6f21da751df6050N.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	a719c43793561ec8e6f21da751df6050N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\a719c43793561ec8e6f21da751df6050N.exe:Zone.Identifier:$DATA	a719c43793561ec8e6f21da751df6050N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2012	a719c43793561ec8e6f21da751df6050N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2796	2012	a719c43793561ec8e6f21da751df6050N.exe	31
PID 2012 wrote to memory of 2796	2012	a719c43793561ec8e6f21da751df6050N.exe	31
PID 2012 wrote to memory of 2796	2012	a719c43793561ec8e6f21da751df6050N.exe	31
PID 2012 wrote to memory of 2796	2012	a719c43793561ec8e6f21da751df6050N.exe	31
PID 2796 wrote to memory of 2808	2796	cmd.exe	33
PID 2796 wrote to memory of 2808	2796	cmd.exe	33
PID 2796 wrote to memory of 2808	2796	cmd.exe	33
PID 2796 wrote to memory of 2808	2796	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\a719c43793561ec8e6f21da751df6050N.exe
"C:\Users\Admin\AppData\Local\Temp\a719c43793561ec8e6f21da751df6050N.exe"
1⤵
- Adds Run key to start application
- Subvert Trust Controls: Mark-of-the-Web Bypass
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start C:\PROGRA~3\A719C4~1.TXT
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\PROGRA~3\a719c43793561ec8e6f21da751df6050N.exe.txt
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2808

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

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\PROGRA~3\a719c43793561ec8e6f21da751df6050N.exe.txt

Filesize
992B

MD5
c8cf7247d4cfc99a7582a42d13df4c08

SHA1
317f5588af0b3b6374c436fb00084c522fd78a83

SHA256
78bd99781e971622f1573bccf2ae9cdd7a7498cf81c1875afc65913e1083b1d0

SHA512
5dd86b7ba388e5d2ad61b1c69589f42c36eec23a04b3cece0941133e0cf0e8a6f1f3aa2242d87af72db725b4b96032dadae72b3be98af3cfce5786ad8c08c357

Download Submit
memory/2796-9-0x0000000002570000-0x0000000002670000-memory.dmp

Filesize
1024KB

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