93564d077e91aed18b4113dcbc88a75fa77d23bb7e8d5086cd9351008968a5dd

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 04:01

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General

Target

d525e47c9df59566948472d50fb9c557.exe
Size

24KB
MD5

d525e47c9df59566948472d50fb9c557
SHA1

8f3d9335f1b19082438d4cd008775d3da6d2dbbf
SHA256

93564d077e91aed18b4113dcbc88a75fa77d23bb7e8d5086cd9351008968a5dd
SHA512

e0449f4bda08b214d014040c40e7d714a4e96437b2c06925cb779bef70c98a28310bc9cb7a1fe8a486f5a7b90d2ec01d7d249123648da987809fbcfa04a84a9b
SSDEEP

768:AwX0E7BCyEs1PJVmZv9Y0nCLjKWZhJh0+zl:AwkE7BC3s1PWZvxCLjD/xR

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2000	svrchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2016	d525e47c9df59566948472d50fb9c557.exe
2016	d525e47c9df59566948472d50fb9c557.exe

Adds Run key to start application 2 TTPs 2 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\SysSrv = "C:\\Windows\\system32\\svrchost.exe"	d525e47c9df59566948472d50fb9c557.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SysSrv = "C:\\ProgramData\\WINSYS\\svrchost.exe"	svrchost.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svrchost.exe	d525e47c9df59566948472d50fb9c557.exe
File opened for modification	C:\Windows\SysWOW64\svrchost.exe	d525e47c9df59566948472d50fb9c557.exe
File opened for modification	C:\Windows\SysWOW64\WintSys.dll	d525e47c9df59566948472d50fb9c557.exe
File opened for modification	C:\Windows\SysWOW64\svrchost.exe	svrchost.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2016	d525e47c9df59566948472d50fb9c557.exe
2000	svrchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2000	2016	d525e47c9df59566948472d50fb9c557.exe	28
PID 2016 wrote to memory of 2000	2016	d525e47c9df59566948472d50fb9c557.exe	28
PID 2016 wrote to memory of 2000	2016	d525e47c9df59566948472d50fb9c557.exe	28
PID 2016 wrote to memory of 2000	2016	d525e47c9df59566948472d50fb9c557.exe	28

C:\Users\Admin\AppData\Local\Temp\d525e47c9df59566948472d50fb9c557.exe
"C:\Users\Admin\AppData\Local\Temp\d525e47c9df59566948472d50fb9c557.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\svrchost.exe
  C:\Windows\system32\svrchost.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  PID:2000

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\svrchost.exe

Filesize
24KB

MD5
d525e47c9df59566948472d50fb9c557

SHA1
8f3d9335f1b19082438d4cd008775d3da6d2dbbf

SHA256
93564d077e91aed18b4113dcbc88a75fa77d23bb7e8d5086cd9351008968a5dd

SHA512
e0449f4bda08b214d014040c40e7d714a4e96437b2c06925cb779bef70c98a28310bc9cb7a1fe8a486f5a7b90d2ec01d7d249123648da987809fbcfa04a84a9b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads