f55a0bd80637553df3531bf3b7174f5445bfed7d67130794bb34ac024babe4e9

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/10/2026, 19:56

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General

Target
jaffacakes118_Trojan-Dropper.Win32.Small.gz.exe
Size 6KB
Sample261009-yn7dyady81
SHA256 f55a0bd80637553df3531bf3b7174f5445bfed7d67130794bb34ac024babe4e9
MD5 f0d3507fbee27673d21130acbc8a2428
SHA1 58630f94d0cc696df9dde5899dc53f3820e5a145
SHA512 d089229d9adc5bd3ce5091655b1a22bcfb050ba5ec7a7db25cce9aa2f417fa97a26caf12408bc2fc63141cbc9a049dee114ba4088f1c804d387bcdb5d6dc744c
SSDEEP 96:Oc4HTVPfaoMooP1XGPrkISZXhy0JGiOzSrytP6Y//+Zp:OckRPyVGPrBco0JGiASrTY//+n
TLSH
T17AD10AD3E6ECABF2D1514F7304478AC5AB3E99A463E9001D1A86BA5BF0B631B191C748
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3204	svchost.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\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Deafult Configuration = "C:\\Windows\\svchost.exe"	jaffacakes118_Trojan-Dropper.Win32.Small.gz.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0004000000000433-3.dat	upx
behavioral2/memory/3204-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3204-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	jaffacakes118_Trojan-Dropper.Win32.Small.gz.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-Dropper.Win32.Small.gz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2960	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4348	jaffacakes118_Trojan-Dropper.Win32.Small.gz.exe
4348	jaffacakes118_Trojan-Dropper.Win32.Small.gz.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 3204	4348	jaffacakes118_Trojan-Dropper.Win32.Small.gz.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.gz.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Small.gz.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4348
- C:\Windows\svchost.exe
  C:\Windows\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3204

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2692

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
1⤵
PID:4764

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
- Suspicious behavior: AddClipboardFormatListener
PID:2960

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s webthreatdefusersvc
1⤵
PID:2312

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

svchost.exe

Path C:\Windows\svchost.exe
Size 3KB
SHA256 6afd32f13d2118631f00bbc00783da30cda2f1c0ddc0f6c98c527ace0188c631
MD5 2d2e6307b9d1218a247c23b2a6e1ece5
SHA1 4540d6e164493f1c8a3f3dc06134a655b9770af5
SHA512 d47e437f95e62385ead515d3e1dfb6e627fcb5a30767cadbec8d19380414a8dfe040452caae2842e9e629dd69399934661bbd94868d00817bcf086367a2c3b82
TLSH
T1B48107D3F6BCF7F2E2610A321869934A271D69D867ED45262D8CF607B0FB3680A0C755
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3204-4-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/3204-7-0x0000000000400000-0x0000000000408000-memory.dmp

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