7a65ea84978d653141d5fe65a05f59831cd7be417ae8c630a4e584647e92b35c

Analysis

max time kernel
120s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 10:46

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General

Target

virussign.com_00a519bb1b7284727a665faeb741c5e3.exe
Size

101KB
MD5

00a519bb1b7284727a665faeb741c5e3
SHA1

4ae2011819af55c9f94a4ffb042ce5d052930f6a
SHA256

9f8837466bc78d70a12537e035547b584efce0075db99ed37b6b213ef4a4b8c1
SHA512

c7feede61cd71af5d8646e9e0c950a48b60895f4aa3befb5b874b8db469e6b018de4826c4fdd1f294d350bba0c05ae82da772e09696a7dd334f8c26c53d70009
SSDEEP

1536:0GYU/W2FHG6jMauSV3ixJHABLrmhH7i9CO+WHg7zRZICrWaGZh7j:0fU/Wr6jMauSuiWNi9CO+WARJrWNZ1

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2712	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2120	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
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	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuauclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2120	3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe	31
PID 3040 wrote to memory of 2120	3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe	31
PID 3040 wrote to memory of 2120	3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe	31
PID 3040 wrote to memory of 2120	3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe	31
PID 3040 wrote to memory of 2712	3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe	32
PID 3040 wrote to memory of 2712	3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe	32
PID 3040 wrote to memory of 2712	3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe	32
PID 3040 wrote to memory of 2712	3040	virussign.com_00a519bb1b7284727a665faeb741c5e3.exe	32

C:\Users\Admin\AppData\Local\Temp\virussign.com_00a519bb1b7284727a665faeb741c5e3.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_00a519bb1b7284727a665faeb741c5e3.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\virussign.com_00a519bb1b7284727a665faeb741c5e3.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2712

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

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

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

\ProgramData\Update\wuauclt.exe

Filesize
101KB

MD5
12791fb1ace28d262b4617aa25644b81

SHA1
3ef44f6f614de266633c529095be4ba78fdda327

SHA256
a8ede0edd654ce35fd3cdc6d90dd22ec22e4b7f4c22eb636ae86e0d775122fd9

SHA512
09f34733082d3f73caae485f7de36f685e2603f6a92cbba2667c205bb96cde0b1d0dba18fe1709c5220c37991be95be83119aa48bc3e87d55ef069e1a8129f15

Download Submit
memory/2120-8-0x0000000000DA0000-0x0000000000DBF000-memory.dmp

Filesize
124KB

Download
memory/3040-0-0x00000000012E0000-0x00000000012FF000-memory.dmp

Filesize
124KB

Download
memory/3040-3-0x0000000000DA0000-0x0000000000DBF000-memory.dmp

Filesize
124KB

Download
memory/3040-7-0x00000000012E0000-0x00000000012FF000-memory.dmp

Filesize
124KB

Download
memory/3040-9-0x00000000012E0000-0x00000000012FF000-memory.dmp

Filesize
124KB

Download
memory/3040-10-0x0000000000DA0000-0x0000000000DBF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads