c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/09/2026, 10:15

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General

Target
jaffacakes118_c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59.exe
Size 30KB
Sample260924-mac3dstshv
SHA256 c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59
MD5 85cff6803cec153dd2df2925bf474f6a
SHA1 8e57ce6ab1381be1281acd99d42bf05883f641d4
SHA512 144a8b4d7b35572d040888db1bfb97490c285d60ad47d4cb2aee84167461c8e89573edd4386c7ab0f97e66493a4af75e8acd04fd667acf162b3e060693c87687
SSDEEP 384:aNb5QztpGiWIZgOIt1GYCEkIIX7aIpjQdnJV9xH:aNbWzrDMcEk/XvpjQdnDjH
TLSH
T11EE26D4B6D408AEBC6564A3CB4811B3BE5DEB83C0619285BD73346C59C782D7BA7D20F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-240542094-4193773837-3211495583-1000\Control Panel\International\Geo\Nation	jaffacakes118_c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59.exe

Executes dropped EXE 1 IoCs

pid	Process
1780	tZfu8T.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\system4.exe	tZfu8T.exe
File created	C:\Windows\SysWOW64\aksuser.dll	tZfu8T.exe
File opened for modification	C:\Windows\SysWOW64\aksuser.dll	tZfu8T.exe
File created	C:\Windows\SysWOW64\system4.exe	tZfu8T.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ksuser.dll	tZfu8T.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 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	jaffacakes118_c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tZfu8T.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1780	tZfu8T.exe
1780	tZfu8T.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 1780	3400	jaffacakes118_c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59.exe	86

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Users\Admin\AppData\Local\Temp\tZfu8T.exe
  "C:\Users\Admin\AppData\Local\Temp\tZfu8T.exe" -Parameter
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1780

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

tZfu8T.exe

Path C:\Users\Admin\AppData\Local\Temp\tZfu8T.exe
Size 30KB
SHA256 c1612037a99363cafad38bf22397052fbfd675b678be25e044041b1c08505d59
MD5 85cff6803cec153dd2df2925bf474f6a
SHA1 8e57ce6ab1381be1281acd99d42bf05883f641d4
SHA512 144a8b4d7b35572d040888db1bfb97490c285d60ad47d4cb2aee84167461c8e89573edd4386c7ab0f97e66493a4af75e8acd04fd667acf162b3e060693c87687
SSDEEP 384:aNb5QztpGiWIZgOIt1GYCEkIIX7aIpjQdnJV9xH:aNbWzrDMcEk/XvpjQdnDjH
TLSH
T11EE26D4B6D408AEBC6564A3CB4811B3BE5DEB83C0619285BD73346C59C782D7BA7D20F
MD5 SHA1 SHA512 SSDEEP TLSH

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