ff98b5fd92258ed3bf230a51ae303419d361107caecf0847531ee1590525b6d2

General

Target

275de77e775d74628c509790e53c2f28_JaffaCakes118.exe
Size

13KB
MD5

275de77e775d74628c509790e53c2f28
SHA1

c1b819ff49de90824d3c5b0d54f47393a9e87b69
SHA256

ff98b5fd92258ed3bf230a51ae303419d361107caecf0847531ee1590525b6d2
SHA512

c0be2ebecc79ff9a4078466999ec9292adf256200d7a89ee18c2634361275809f151a7860b654c2465796ea265effafb654e85021fdc59af63fb55417d4d08fe
SSDEEP

384:G0qlkNtNd4c882esiApbJiERcILx4W7bTuY:dqlYNdn5svVkuxz7bSY

Score

8^/10

adware persistence stealer

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\issearch.exe = "issearch.exe"	issearch.exe

Deletes itself 1 IoCs

pid	Process
2404	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2412	issearch.exe

Loads dropped DLL 3 IoCs

pid	Process
2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe
2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe
2412	issearch.exe

Installs/modifies Browser Helper Object 2 TTPs 3 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\{f4d74aaa-a178-4463-846b-b4bc87a024e0}	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f4d74aaa-a178-4463-846b-b4bc87a024e0}\	issearch.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	issearch.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\issearch.exe	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ixt0.dll	issearch.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\SearchUrl	issearch.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Search	issearch.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main	issearch.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{f4d74aaa-a178-4463-846b-b4bc87a024e0}	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f4d74aaa-a178-4463-846b-b4bc87a024e0}\	issearch.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{f4d74aaa-a178-4463-846b-b4bc87a024e0}\InprocServer32	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f4d74aaa-a178-4463-846b-b4bc87a024e0}\InprocServer32\ = "C:\\Windows\\SysWow64\\ixt0.dll"	issearch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f4d74aaa-a178-4463-846b-b4bc87a024e0}\InprocServer32\ThreadingModel = "Apartment"	issearch.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID	issearch.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe
2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2412	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2412	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2412	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2412	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2404	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe	32
PID 2272 wrote to memory of 2404	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe	32
PID 2272 wrote to memory of 2404	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe	32
PID 2272 wrote to memory of 2404	2272	275de77e775d74628c509790e53c2f28_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\275de77e775d74628c509790e53c2f28_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\275de77e775d74628c509790e53c2f28_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\issearch.exe
  C:\Windows\system32\issearch.exe
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\275DE7~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2404

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

3

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Windows\SysWOW64\issearch.exe

Filesize
31KB

MD5
8f205da19f16b5c8660f5b75b0b6caba

SHA1
13dfc8e42d10ede826afe107a8c63793d88431bb

SHA256
45450ef7eb540a38aecfac29af20e5decda91d768604cbe0762936350b5e1036

SHA512
3a2779e67d03a6ef88a7c1a4ef578e9d7a91458e47ab74dca5ed03337b9fb864774e0ce10e665aa4cad628b49501220adaf11a493fc7e5d9225ef422187aea95

Download Submit
\Windows\SysWOW64\ixt0.dll

Filesize
19KB

MD5
2e92e1de13c7c535a819ce22b62c969c

SHA1
8b49bc492f04f1c79a5b9f90fff208c7de711266

SHA256
f36eba15d7d9b60206dc0a1a1492c1d79b6aa5a408ee493ad9b5392667454ed2

SHA512
b1fddf04ff8eb12004747a027ddeb00435ff7c6af7e5604166b512ca9c94bf8b2f0844fcbdcf8f0ed2121715a1833e8c31a9fce35de695b07925ebf809516491

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads