bdd1f56547ba522f87e7709ec3681c4bdeb99eaf770d368971e4b648ddc502c3

Analysis

max time kernel
150s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/10/2026, 23:06

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General

Target
jaffacakes118_Trojan-Spy.Win32.TeamSpy.cs.exe
Size 9.0MB
Sample261018-23wgrsty3p
SHA256 bdd1f56547ba522f87e7709ec3681c4bdeb99eaf770d368971e4b648ddc502c3
MD5 6b55f40d7bd1790b0557347ea10e5d4c
SHA1 3582aeb40aa80ddc010f6b9f716a10c7a362c397
SHA512 5989ff33c15ffc9c859525e3532ac76eab17688c5f3d536a3be7370146005436bf9a021d740a1d5bf59b07e8facea539a4e1ea2b9d468543d7609323b7d6ce52
SSDEEP 49152:XC2lJmXbj5DIwbQea1LPEyK7r385JD3d6cIWh:XzlkbFDVrQMyOr3S3d6cLh
TLSH
T140961203B293C072D49501B505658BBA4F3ABC319775D0FBAFD13AAA9D703E19B3634A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4832	irsetup.exe

Loads dropped DLL 1 IoCs

pid	Process
4832	irsetup.exe

Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Web Service

T1102

flow	ioc
8	pastebin.com
1	pastebin.com

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000e00000001c463-4.dat	upx
behavioral2/memory/4832-10-0x00000000000E0000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/4832-28-0x00000000000E0000-0x00000000004C7000-memory.dmp	upx

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

System Information Discovery
T1082

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	irsetup.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	irsetup.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	jaffacakes118_Trojan-Spy.Win32.TeamSpy.cs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	irsetup.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	irsetup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\	irsetup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	irsetup.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	irsetup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4832	irsetup.exe
4832	irsetup.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5796 wrote to memory of 4832	5796	jaffacakes118_Trojan-Spy.Win32.TeamSpy.cs.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Spy.Win32.TeamSpy.cs.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Spy.Win32.TeamSpy.cs.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5796
- C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1790722 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Spy.Win32.TeamSpy.cs.exe" "__IRCT:3" "__IRTSS:0" "__IRSID:S-1-5-21-4154726816-2055034831-2297277433-1000"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:4832

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

irsetup.exe

Path C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
Size 1.3MB
SHA256 b15d67b4a57184e5202df3c25e20dc0b7f853f4d527d148b337138900989824a
MD5 9bdcf813d65265255b820bc7a704da3c
SHA1 dad6501711992ab874d778ece5a103e143fd42d7
SHA512 53cac68a57194ec33ccc5c212a6b82bc554e85c86faab4e095876f5c037f680c646ce8463857e61438b92cb7ca7c17efea1d713a9d772d9f2afeb5ddd17b6504
SSDEEP 24576:zzC25QqJNUXIaRks5D8hYm0bXixegr1+sIG6byK7ki6Nrimo8BiGxnJgYQp1:fC2lJmXbj5DIwbQea1LPEyK7r385JD
TLSH
T13E553353832B447BE8C91B72044B894B6F3BBC15F95D705B23EBBA936CB51338676488
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

lua5.1.dll

Path C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll
Size 322KB
SHA256 769416fa7edf38e91a55f4f7163914ee4aad9c8c890ed641c300b73157acac45
MD5 c3f5f4a1fb69b5889f0bbb313cf6017f
SHA1 e4f592cfbd62a3c3caf27177ccea5a77afa649bb
SHA512 e17d3be36fd2ba892d945f3737ebffdefe6d476224ef3459b567579971559a048a886941f57ae671b3df32844f99575a14c72ef8c49c2d4b1e8352204ccc05ab
SSDEEP 6144:+kn2LG5bwf92+0HiDhAqUS0aMkhwfDRAOj+JzOg7Fp:72x2cdUhZcIDR8xhp
TLSH
T18E64AE03B293C072D5A500B90569D7BA4E7A797157B6C4F7EBD01AAD8E203E0A73734E
MD5 SHA1 SHA512 SSDEEP TLSH