1234f20e85e6fe42ec9baf95cfd1745964cd0273d071642f10b3b9952d2cca73

General

Target

7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
Size

228KB
MD5

7716f695228f451da6048afedbf0ec5c
SHA1

112acae8be69453ddcf05a69e7e7595227117583
SHA256

1234f20e85e6fe42ec9baf95cfd1745964cd0273d071642f10b3b9952d2cca73
SHA512

534fd00991935b3d386a1b53aabebfd9829baffa6d20c2fda788cb3d82fef83213b53d663437cd52df8ec5edf9c2d6edcff265b4f71ddae3e37a5a6a63817330
SSDEEP

6144:VWwZltVp6fQ5R8GdwPikVuQxx9CjmmlLWi1rp:VWidpm50ipVNxDCdlbF

Score

10^/10

discovery evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\y6drxuj c7ti.exe"	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\y6drxuj c7ti.exe"	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Roaming\\y6drxuj c7ti.exe,C:\\WINDOWS\\System32\\userinit.exe,"	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Roaming\\y6drxuj c7ti.exe,C:\\WINDOWS\\System32\\userinit.exe,"	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

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\{61r1K7Zg-HMWm-14l4-knLL-DFbthPjzcAFc}	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{61r1K7Zg-HMWm-14l4-knLL-DFbthPjzcAFc}\BX6kRBeYBXtpN21 = "\"C:\\Users\\Admin\\AppData\\Roaming\\y6drxuj c7ti.exe\" /ActiveX"	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2752-0-0x0000000000400000-0x0000000000451600-memory.dmp	upx
behavioral1/memory/2784-11-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2752-13-0x0000000000400000-0x0000000000451600-memory.dmp	upx
behavioral1/memory/2784-18-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2784-17-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2784-16-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2784-15-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2752-12-0x0000000000400000-0x0000000000451600-memory.dmp	upx
behavioral1/memory/2784-10-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2784-7-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2784-5-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2784-20-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral1/memory/2784-38-0x0000000000400000-0x000000000047A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\BX6kRBeYBXtpN21 = "C:\\Users\\Admin\\AppData\\Roaming\\y6drxuj c7ti.exe"	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\BX6kRBeYBXtpN21 = "C:\\Users\\Admin\\AppData\\Roaming\\y6drxuj c7ti.exe"	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30

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	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Internet Explorer\Main	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2784	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
2784	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
2784	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
2784	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
2784	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
2784	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
2784	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
2784	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2784	2752	7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Local\Temp\7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\7716f695228f451da6048afedbf0ec5c_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Boot or Logon Autostart Execution: Active Setup
  - Disables RegEdit via registry modification
  - Adds Run key to start application
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

5

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1VX38S3F\NewErrorPageTemplate[1]

Filesize
1KB

MD5
cdf81e591d9cbfb47a7f97a2bcdb70b9

SHA1
8f12010dfaacdecad77b70a3e781c707cf328496

SHA256
204d95c6fb161368c795bb63e538fe0b11f9e406494bb5758b3b0d60c5f651bd

SHA512
977dcc2c6488acaf0e5970cef1a7a72c9f9dc6bb82da54f057e0853c8e939e4ab01b163eb7a5058e093a8bc44ecad9d06880fdc883e67e28ac67fee4d070a4cc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1VX38S3F\dnserrordiagoff[1]

Filesize
1KB

MD5
47f581b112d58eda23ea8b2e08cf0ff0

SHA1
6ec1df5eaec1439573aef0fb96dabfc953305e5b

SHA256
b1c947d00db5fce43314c56c663dbeae0ffa13407c9c16225c17ccefc3afa928

SHA512
187383eef3d646091e9f68eff680a11c7947b3d9b54a78cc6de4a04629d7037e9c97673ac054a6f1cf591235c110ca181a6b69ecba0e5032168f56f4486fff92

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M7GT0RRO\errorPageStrings[1]

Filesize
2KB

MD5
e3e4a98353f119b80b323302f26b78fa

SHA1
20ee35a370cdd3a8a7d04b506410300fd0a6a864

SHA256
9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66

SHA512
d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M7GT0RRO\httpErrorPagesScripts[2]

Filesize
8KB

MD5
3f57b781cb3ef114dd0b665151571b7b

SHA1
ce6a63f996df3a1cccb81720e21204b825e0238c

SHA256
46e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad

SHA512
8cbf4ef582332ae7ea605f910ad6f8a4bc28513482409fa84f08943a72cac2cf0fa32b6af4c20c697e1fac2c5ba16b5a64a23af0c11eefbf69625b8f9f90c8fa

Download Submit
memory/2752-12-0x0000000000400000-0x0000000000451600-memory.dmp

Filesize
325KB

Download
memory/2752-13-0x0000000000400000-0x0000000000451600-memory.dmp

Filesize
325KB

Download
memory/2752-0-0x0000000000400000-0x0000000000451600-memory.dmp

Filesize
325KB

Download
memory/2784-18-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-15-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-10-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-7-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-5-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-20-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-38-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-16-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-17-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-11-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2784-3-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads