f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/10/2026, 05:08

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General

Target
jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe
Size 441KB
Sample261002-fsq9eahf86
SHA256 f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801
MD5 6910c5e81c559f28395a8ff42cefba2d
SHA1 cd44d54ed788e9785f78e2f7a91f5d9fa8721dbd
SHA512 16c5dde1c0906d1384f2079effc33eadbf450476b84bd37684bfcfc561d74cf36043a109e569b741915ac4bc439f054f70d7a8ca1e3ab5b23391b7e14e204b78
SSDEEP 12288:aCsG9VRrxLglelFB3Tpx9fIk7mbNYx3vRWNbP7+RyNVcl9JF+xWliHOAZsOP6rm3:aCj9VRrxLglelFB3Tpx9fIk7mbNYx3vw
TLSH
T1A3A46D23F2915837D1735B788D9787AC9C277E113F28A8463BF95E0C5F396813A27292
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4676	scandisk.exe

Adds Run key to start application 2 TTPs 4 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\MS Scandisk = "C:\\Windows\\scandisk.exe"	jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MS Scandisk = "C:\\Windows\\scandisk.exe"	jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MS Scandisk = "C:\\Windows\\scandisk.exe"	scandisk.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MS Scandisk = "C:\\Windows\\scandisk.exe"	scandisk.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\scandisk.exe	jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe
File opened for modification	C:\Windows\scandisk.exe	jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	scandisk.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	scandisk.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	scandisk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3840 wrote to memory of 4676	3840	jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe	87

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3840
- C:\Windows\scandisk.exe
  C:\Windows\scandisk.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  PID:4676

Network

MITRE ATT&CK Enterprise v16

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

scandisk.exe

Path C:\Windows\scandisk.exe
Size 441KB
SHA256 f9864d373d806ece1783c246f8a5786eb5f46cef253195e0745cfd5b53986801
MD5 6910c5e81c559f28395a8ff42cefba2d
SHA1 cd44d54ed788e9785f78e2f7a91f5d9fa8721dbd
SHA512 16c5dde1c0906d1384f2079effc33eadbf450476b84bd37684bfcfc561d74cf36043a109e569b741915ac4bc439f054f70d7a8ca1e3ab5b23391b7e14e204b78
SSDEEP 12288:aCsG9VRrxLglelFB3Tpx9fIk7mbNYx3vRWNbP7+RyNVcl9JF+xWliHOAZsOP6rm3:aCj9VRrxLglelFB3Tpx9fIk7mbNYx3vw
TLSH
T1A3A46D23F2915837D1735B788D9787AC9C277E113F28A8463BF95E0C5F396813A27292
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3840-0-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

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memory/3840-1-0x0000000000463000-0x0000000000464000-memory.dmp

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memory/3840-8-0x0000000000400000-0x0000000000473000-memory.dmp

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memory/4676-6-0x0000000000400000-0x0000000000473000-memory.dmp

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memory/4676-7-0x0000000000400000-0x0000000000473000-memory.dmp

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memory/4676-9-0x0000000000400000-0x0000000000473000-memory.dmp

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memory/4676-10-0x0000000000400000-0x0000000000473000-memory.dmp

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memory/4676-12-0x0000000000400000-0x0000000000473000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads