fb02d3051ba425240d34d9fe6901a48056a252948a55d1a2d40b1c81110e3ac3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 05:13

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General

Target

b4f058ff3a9b018dff2d84422836e3f3_JaffaCakes118.exe
Size

1.4MB
MD5

b4f058ff3a9b018dff2d84422836e3f3
SHA1

2df2e6982a1171cf932956beb17db2e8214ff17d
SHA256

fb02d3051ba425240d34d9fe6901a48056a252948a55d1a2d40b1c81110e3ac3
SHA512

54708ae21f648103c37faeea506fdf8744018187e6d1bcf46d305680bf6a9a958fcf1d3dba42f0911306547d1ab0802d0d0febff32f9581e4aef6ec4527e9b10
SSDEEP

24576:ZUZaCTSu1iAjb/GCh2qWq+dl+vYurClThCob2FJLc5bSr5uhNY+jAAY:CFFjb/VEtwClcFRcaMNjI

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{670E4003-80D3-2GCE-D254-724055QA8Q0P}	avast.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{670E4003-80D3-2GCE-D254-724055QA8Q0P}\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\avast.exe\""	avast.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	avast.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	avast.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	b4f058ff3a9b018dff2d84422836e3f3_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	a.exe

Executes dropped EXE 4 IoCs

pid	Process
4868	a.exe
1368	a.exe
2072	avast.exe
5012	avast.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Avast = "C:\\Users\\Admin\\AppData\\Roaming\\avast.exe"	avast.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4868 set thread context of 1368	4868	a.exe	85
PID 2072 set thread context of 5012	2072	avast.exe	87

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4868-19-0x0000000000650000-0x0000000000661000-memory.dmp	upx
behavioral2/memory/4868-17-0x0000000000650000-0x0000000000661000-memory.dmp	upx
behavioral2/memory/4868-18-0x0000000000650000-0x0000000000661000-memory.dmp	upx
behavioral2/memory/4868-15-0x0000000000650000-0x0000000000661000-memory.dmp	upx
behavioral2/memory/4868-21-0x00000000022B0000-0x00000000022E8000-memory.dmp	upx
behavioral2/memory/4868-20-0x00000000022B0000-0x00000000022E8000-memory.dmp	upx
behavioral2/memory/4868-38-0x0000000000650000-0x0000000000661000-memory.dmp	upx
behavioral2/memory/4868-44-0x00000000022B0000-0x00000000022E8000-memory.dmp	upx
behavioral2/memory/2072-109-0x0000000000810000-0x0000000000821000-memory.dmp	upx
behavioral2/memory/2072-107-0x0000000000810000-0x0000000000821000-memory.dmp	upx
behavioral2/memory/2072-110-0x0000000000810000-0x0000000000821000-memory.dmp	upx
behavioral2/memory/2072-108-0x0000000000810000-0x0000000000821000-memory.dmp	upx
behavioral2/memory/2072-111-0x00000000022E0000-0x0000000002318000-memory.dmp	upx
behavioral2/memory/2072-119-0x0000000000810000-0x0000000000821000-memory.dmp	upx

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 6 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	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4f058ff3a9b018dff2d84422836e3f3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avast.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avast.exe

Checks processor information in registry 2 TTPs 14 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	avast.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	avast.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	avast.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	avast.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	avast.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	a.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	avast.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	avast.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	avast.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
944	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
944	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4868	a.exe
2072	avast.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 4868	3540	b4f058ff3a9b018dff2d84422836e3f3_JaffaCakes118.exe	83
PID 3540 wrote to memory of 4868	3540	b4f058ff3a9b018dff2d84422836e3f3_JaffaCakes118.exe	83
PID 3540 wrote to memory of 4868	3540	b4f058ff3a9b018dff2d84422836e3f3_JaffaCakes118.exe	83
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 4868 wrote to memory of 1368	4868	a.exe	85
PID 1368 wrote to memory of 2072	1368	a.exe	86
PID 1368 wrote to memory of 2072	1368	a.exe	86
PID 1368 wrote to memory of 2072	1368	a.exe	86
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 2072 wrote to memory of 5012	2072	avast.exe	87
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88
PID 5012 wrote to memory of 944	5012	avast.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3476
- C:\Users\Admin\AppData\Local\Temp\b4f058ff3a9b018dff2d84422836e3f3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b4f058ff3a9b018dff2d84422836e3f3_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3540
- - C:\Users\Admin\AppData\Local\Temp\a.exe
    "C:\Users\Admin\AppData\Local\Temp\a.exe"
    3⤵
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4868
  - - C:\Users\Admin\AppData\Local\Temp\a.exe
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:1368
    - - C:\Users\Admin\AppData\Roaming\avast.exe
        
        "C:\Users\Admin\AppData\Roaming\avast.exe" \melt "C:\Users\Admin\AppData\Local\Temp\a.exe"
        5⤵
        Checks BIOS information in registry
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Checks processor information in registry
        Enumerates system info in registry
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2072
      - C:\Users\Admin\AppData\Roaming\avast.exe
        
        6⤵
        Boot or Logon Autostart Execution: Active Setup
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5012
        
        C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe" "C:\Users\Admin\AppData\Roaming\avast.exe"
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of FindShellTrayWindow
        
        PID:944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.exe

Filesize
636KB

MD5
6eaf5e82d7c9a1bfaca0cd0763567419

SHA1
e1014a11e31b770d633ee5afe6bdf2cdd19b4cda

SHA256
c52947ccd078559ad020a960e8701d609fc24547965a03ae8e2272d547643254

SHA512
01eb2fc379fac5d828a47f24e17de462226ff4ff6b198e603d41901495256d5780df1edf1776cf2b34ad57f26953222567d9ebbd19996d280519500d56bc1ad5

Download Submit
memory/1368-37-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1368-32-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1368-103-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1368-34-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1368-35-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2072-107-0x0000000000810000-0x0000000000821000-memory.dmp

Filesize
68KB

Download
memory/2072-105-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2072-122-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2072-119-0x0000000000810000-0x0000000000821000-memory.dmp

Filesize
68KB

Download
memory/2072-111-0x00000000022E0000-0x0000000002318000-memory.dmp

Filesize
224KB

Download
memory/2072-108-0x0000000000810000-0x0000000000821000-memory.dmp

Filesize
68KB

Download
memory/2072-110-0x0000000000810000-0x0000000000821000-memory.dmp

Filesize
68KB

Download
memory/2072-109-0x0000000000810000-0x0000000000821000-memory.dmp

Filesize
68KB

Download
memory/4868-38-0x0000000000650000-0x0000000000661000-memory.dmp

Filesize
68KB

Download
memory/4868-28-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/4868-44-0x00000000022B0000-0x00000000022E8000-memory.dmp

Filesize
224KB

Download
memory/4868-43-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4868-15-0x0000000000650000-0x0000000000661000-memory.dmp

Filesize
68KB

Download
memory/4868-18-0x0000000000650000-0x0000000000661000-memory.dmp

Filesize
68KB

Download
memory/4868-20-0x00000000022B0000-0x00000000022E8000-memory.dmp

Filesize
224KB

Download
memory/4868-17-0x0000000000650000-0x0000000000661000-memory.dmp

Filesize
68KB

Download
memory/4868-19-0x0000000000650000-0x0000000000661000-memory.dmp

Filesize
68KB

Download
memory/4868-30-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/4868-29-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/4868-45-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/4868-21-0x00000000022B0000-0x00000000022E8000-memory.dmp

Filesize
224KB

Download
memory/4868-14-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4868-31-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/4868-23-0x000000007740F000-0x0000000077410000-memory.dmp

Filesize
4KB

Download
memory/4868-25-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/4868-26-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/4868-27-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/5012-123-0x0000000010410000-0x0000000010438000-memory.dmp

Filesize
160KB

Download
memory/5012-130-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5012-124-0x0000000010410000-0x0000000010438000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads