6c7ce93f15f662842f5f2b8a2ffb65d1c564844103659b5a65de68ad2c8016e7

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 10:53

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General

Target

0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe
Size

141KB
MD5

0dcb9b137b691d639bdcea66a45e0f52
SHA1

c53d88fcce3ac8f779d1b3ea898b069deaa654f5
SHA256

6c7ce93f15f662842f5f2b8a2ffb65d1c564844103659b5a65de68ad2c8016e7
SHA512

6ff71a4fc6d12760020c34bb87783dfc4b93455092dd0a7c794c52710e83c8d522178ddb55e29ec0e2306661c020b2e2ab2c8104c5af29431ca54a0a75fb9758
SSDEEP

3072:iHo9usD7QY9fvUgL0bXnM0Mg9Ro+7xbWyHbX8nKYCNt:iHVsDB93UgLkwgB7xbWzKYut

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2072	Tayfyy.exe
2660	Tayfyy.exe

Loads dropped DLL 3 IoCs

pid	Process
2232	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe
2232	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe
2072	Tayfyy.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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tayfyy = "C:\\Users\\Admin\\AppData\\Roaming\\Tayfyy.exe"	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 2072 set thread context of 2660	2072	Tayfyy.exe	30

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{263487F1-32E1-11EF-8FA5-CE57F181EBEB} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425474696"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2232	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	Tayfyy.exe
Token: SeDebugPrivilege	2488	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2724	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE
2488	IEXPLORE.EXE
2488	IEXPLORE.EXE
2488	IEXPLORE.EXE
2488	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 1992 wrote to memory of 2232	1992	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	28
PID 2232 wrote to memory of 2072	2232	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	29
PID 2232 wrote to memory of 2072	2232	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	29
PID 2232 wrote to memory of 2072	2232	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	29
PID 2232 wrote to memory of 2072	2232	0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe	29
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2072 wrote to memory of 2660	2072	Tayfyy.exe	30
PID 2660 wrote to memory of 2744	2660	Tayfyy.exe	31
PID 2660 wrote to memory of 2744	2660	Tayfyy.exe	31
PID 2660 wrote to memory of 2744	2660	Tayfyy.exe	31
PID 2660 wrote to memory of 2744	2660	Tayfyy.exe	31
PID 2744 wrote to memory of 2724	2744	iexplore.exe	32
PID 2744 wrote to memory of 2724	2744	iexplore.exe	32
PID 2744 wrote to memory of 2724	2744	iexplore.exe	32
PID 2744 wrote to memory of 2724	2744	iexplore.exe	32
PID 2724 wrote to memory of 2488	2724	IEXPLORE.EXE	34
PID 2724 wrote to memory of 2488	2724	IEXPLORE.EXE	34
PID 2724 wrote to memory of 2488	2724	IEXPLORE.EXE	34
PID 2724 wrote to memory of 2488	2724	IEXPLORE.EXE	34
PID 2660 wrote to memory of 2488	2660	Tayfyy.exe	34
PID 2660 wrote to memory of 2488	2660	Tayfyy.exe	34

C:\Users\Admin\AppData\Local\Temp\0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\0dcb9b137b691d639bdcea66a45e0f52_JaffaCakes118.exe
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Users\Admin\AppData\Roaming\Tayfyy.exe
    "C:\Users\Admin\AppData\Roaming\Tayfyy.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2072
  - - C:\Users\Admin\AppData\Roaming\Tayfyy.exe
      C:\Users\Admin\AppData\Roaming\Tayfyy.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2660
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2744
      - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2724
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2724 CREDAT:275457 /prefetch:2
        7⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:2488

Network

MITRE ATT&CK Enterprise v15

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\Tayfyy.exe

Filesize
141KB

MD5
0dcb9b137b691d639bdcea66a45e0f52

SHA1
c53d88fcce3ac8f779d1b3ea898b069deaa654f5

SHA256
6c7ce93f15f662842f5f2b8a2ffb65d1c564844103659b5a65de68ad2c8016e7

SHA512
6ff71a4fc6d12760020c34bb87783dfc4b93455092dd0a7c794c52710e83c8d522178ddb55e29ec0e2306661c020b2e2ab2c8104c5af29431ca54a0a75fb9758

Download Submit
memory/1992-6-0x0000000000340000-0x000000000036D000-memory.dmp

Filesize
180KB

Download
memory/1992-0-0x0000000000400000-0x000000000042CA00-memory.dmp

Filesize
178KB

Download
memory/1992-3-0x0000000000400000-0x000000000042CA00-memory.dmp

Filesize
178KB

Download
memory/2072-28-0x0000000000400000-0x000000000042CA00-memory.dmp

Filesize
178KB

Download
memory/2072-22-0x0000000000400000-0x000000000042CA00-memory.dmp

Filesize
178KB

Download
memory/2232-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2232-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2232-18-0x0000000000370000-0x000000000039D000-memory.dmp

Filesize
180KB

Download
memory/2232-16-0x0000000000370000-0x000000000039D000-memory.dmp

Filesize
180KB

Download
memory/2232-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2232-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2660-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2660-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download