c59c18417e8a553badccd25aca58b9c00940b7c62213312f47a17cfa5598771b

General

Target

28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Size

566KB
MD5

28d254a496ea25d76ce050660729f3c8
SHA1

978d1ef89001f7f14cd4f102a15f6b46081c6751
SHA256

c59c18417e8a553badccd25aca58b9c00940b7c62213312f47a17cfa5598771b
SHA512

9451d1a1baec68f1c26e109e471d2df78271636cf83f84a66f2b03dd46c080fa0442b6df4d4974b73c63dd0df05f5a67a02e1c560fdff4a734e08a5e85130f91
SSDEEP

12288:KwIF1USG3JtjroKH2MSXg3ZkeiT7oFN8zYNalVCvWKCenlotrcM1hQcDI+:ZIFOScLo8ZkXYTiVCvWJMYJn

Score

7^/10

adware persistence stealer upx

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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
816	WinAntivirusPro.exe

Executes dropped EXE 1 IoCs

pid	Process
816	WinAntivirusPro.exe

Loads dropped DLL 2 IoCs

pid	Process
2180	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
2180	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2180-0-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/files/0x00080000000234b3-13.dat	upx
behavioral2/memory/2180-18-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-22-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-24-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-27-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-28-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-29-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-30-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-31-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-32-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-33-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-34-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-35-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-36-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-37-0x0000000000400000-0x0000000000641000-memory.dmp	upx
behavioral2/memory/816-38-0x0000000000400000-0x0000000000641000-memory.dmp	upx

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-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinAntivirusPro = "C:\\Program Files\\WinAntivirusPro3.8\\WinAntivirusPro.exe"	WinAntivirusPro.exe

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}\	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WinAntivirusPro3.8\WinAntivirusPro.exe	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
File created	C:\Program Files\NetFilter\netfilter.dll	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
File created	C:\Program Files\WinAntivirusPro3.8\WinAntivirusPro.exe	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\netfilter.TNetFilter\Clsid	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\netfilter.TNetFilter\Clsid\ = "{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}"	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}\ProgID	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}\ProgID\ = "netfilter.TNetFilter"	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}\	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}\InprocServer32	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}\InprocServer32\ThreadingModel = "Apartment"	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\netfilter.TNetFilter\	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0690CA5-C80B-4F09-8DAA-31C0924AE1B9}\InprocServer32\ = "C:\\PROGRA~1\\NETFIL~1\\NETFIL~1.DLL"	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\netfilter.TNetFilter	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe
816	WinAntivirusPro.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 816	2180	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe	84
PID 2180 wrote to memory of 816	2180	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe	84
PID 2180 wrote to memory of 816	2180	28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Program Files\WinAntivirusPro3.8\WinAntivirusPro.exe
  "C:\Program Files\WinAntivirusPro3.8\WinAntivirusPro.exe" "C:\Users\Admin\AppData\Local\Temp\28d254a496ea25d76ce050660729f3c8_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Browser Extensions

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\NetFilter\netfilter.dll

Filesize
465KB

MD5
712913163825319c730f199676231eb1

SHA1
b36ec0769c01aee378dd41c36ac7570b71b6bf42

SHA256
e96f76cad733b2d2a622b4e58f7045ab230571e75c9d2cf06d8fb4d940184846

SHA512
cd3f8d7f7b8a8384947cc48e429afc3aa666efca2a03e74792de674c6e13558dfbc8c844b9f12fd5c341364dcf7b8227ada0496efae03d0a6ed15f522b45f3ac

Download Submit
C:\Program Files\WinAntivirusPro3.8\WinAntivirusPro.exe

Filesize
566KB

MD5
28d254a496ea25d76ce050660729f3c8

SHA1
978d1ef89001f7f14cd4f102a15f6b46081c6751

SHA256
c59c18417e8a553badccd25aca58b9c00940b7c62213312f47a17cfa5598771b

SHA512
9451d1a1baec68f1c26e109e471d2df78271636cf83f84a66f2b03dd46c080fa0442b6df4d4974b73c63dd0df05f5a67a02e1c560fdff4a734e08a5e85130f91

Download Submit
memory/816-27-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-28-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-38-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-19-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/816-37-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-22-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-24-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-25-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/816-36-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-35-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-29-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-30-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-31-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-32-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-33-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/816-34-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/2180-7-0x0000000000C80000-0x0000000000CFA000-memory.dmp

Filesize
488KB

Download
memory/2180-0-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/2180-18-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/2180-1-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads