a663c747622cc5888d09d2664b722033fe8e044dccb9ca510918eb626d37fc32

General

Target

25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe
Size

531KB
MD5

25169f1bb91480ade7e199647e85f60b
SHA1

15f91dc1b0bd697d11268d924c11e86d921a2ea3
SHA256

a663c747622cc5888d09d2664b722033fe8e044dccb9ca510918eb626d37fc32
SHA512

27ee8ddb6a26268e92d9fea6b4b560ed953f1397bd9d6b1a4bd72c307566147bdd38835e659d4f0c44b33a7a6ddd11005226de52a6ebb720d8104dfebaecd540
SSDEEP

12288:JZigw0DdDV0YPp4ZFwr7WNs8m4C6R91p4s/xioS:JZigw05V0U4Zyr7Wax6tp4Q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2652	smsa.exe
3916	smsa.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	smsa.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	smsa.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	smsa.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	smsa.exe

Modifies data under HKEY_USERS 16 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	smsa.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	smsa.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	smsa.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	smsa.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	smsa.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	smsa.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes\Apps\Explorer\Navigating\.Current	smsa.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes\Apps\Explorer	smsa.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\1601 = "0"	smsa.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	smsa.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes\Apps	smsa.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes\Apps\Explorer\Navigating	smsa.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3	smsa.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents	smsa.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes	smsa.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	smsa.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3916	smsa.exe
3916	smsa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 2652	4468	25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe	82
PID 4468 wrote to memory of 2652	4468	25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe	82
PID 4468 wrote to memory of 2652	4468	25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe	82
PID 4468 wrote to memory of 4508	4468	25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe	84
PID 4468 wrote to memory of 4508	4468	25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe	84
PID 4468 wrote to memory of 4508	4468	25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\25169f1bb91480ade7e199647e85f60b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4468
- \??\c:\Recycle\smsa.exe
  c:\Recycle\smsa.exe
  2⤵
  - Executes dropped EXE
  PID:2652
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\25169f1bb91480ade7e199647e85f60b_JaffaCakes118.bat
  2⤵
  PID:4508

\??\c:\Recycle\smsa.exe
c:\Recycle\smsa.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3916

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Recycle\smsa.exe

Filesize
531KB

MD5
25169f1bb91480ade7e199647e85f60b

SHA1
15f91dc1b0bd697d11268d924c11e86d921a2ea3

SHA256
a663c747622cc5888d09d2664b722033fe8e044dccb9ca510918eb626d37fc32

SHA512
27ee8ddb6a26268e92d9fea6b4b560ed953f1397bd9d6b1a4bd72c307566147bdd38835e659d4f0c44b33a7a6ddd11005226de52a6ebb720d8104dfebaecd540

Download Submit
C:\Users\Admin\AppData\Local\Temp\25169f1bb91480ade7e199647e85f60b_JaffaCakes118.bat

Filesize
224B

MD5
250837a2e5a1a08e777548ee2b5b874e

SHA1
3b2d7adf9e52ed4c2794c1349861f5f877ee4a09

SHA256
57dd125dec82d4dc606d149b57f70836a1017e339e63c1783b8a6968992cf084

SHA512
b3636374a61763dd6e37ae1e82930d9479a4222666bc2ba2557f1bf4e0d1d5e8ca484af9bdf4c4672c019357df017fff5030a4b3a2d17960b074d08afe48c663

Download Submit
memory/2652-6-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/2652-11-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3916-10-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/3916-14-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3916-15-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/4468-0-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4468-1-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/4468-12-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download

Analysis

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