8dda499584399fb05ae017dcf093d7aa327039f10fb69fa3d54253b7b888209a

General

Target

edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
Size

14KB
MD5

edf3ba994f97430c98579ba8d84d6de6
SHA1

ece97f49f75d25c8f561b949aecf4e62bc0b9e1b
SHA256

8dda499584399fb05ae017dcf093d7aa327039f10fb69fa3d54253b7b888209a
SHA512

8016c9be5ecb3f361e2bea11d95c2fb17b715ba52aaa05a5aeab5d00e41b7964923f2d0a3435ca0ad06f05d2498958539307e86e4736df8c3be59b0938d4d9c1
SSDEEP

384:FIAoI4N/TA6kjOVvZzbWuGFbyaW6bZwcsj51Y8fJWI6S:FBo5JTA9jOVxPOhsI8Fr

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\rxlsifdv.dll = "{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}"	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2768	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rxlsifdv.tmp	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\rxlsifdv.tmp	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\rxlsifdv.nls	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe

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	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}\InProcServer32	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}\InProcServer32\ = "C:\\Windows\\SysWow64\\rxlsifdv.dll"	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}\InProcServer32\ThreadingModel = "Apartment"	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 2768	904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe	29
PID 904 wrote to memory of 2768	904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe	29
PID 904 wrote to memory of 2768	904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe	29
PID 904 wrote to memory of 2768	904	edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edf3ba994f97430c98579ba8d84d6de6_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\6A5.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2768

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

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\6A5.tmp.bat

Filesize
207B

MD5
30c6411cf2e3042953ee161a32fe1ad8

SHA1
e69fc72cfdd7b28ca12614dbbe4e788a91d76f24

SHA256
3bf9fc2309dc01acc1c19603f215f474f1ea959dc1d2d207977afe420ab77c50

SHA512
e9de8788a2b6f0da3cbefa9f96243d7dbe2fb73e7693945a5cd254cb16d6a457d516973a7ba9e25d60edae0f2efe1db3c0fd59b59f0175b8592eb2cfc112a620

Download Submit
C:\Windows\SysWOW64\rxlsifdv.nls

Filesize
428B

MD5
4ebaf0888aaf49df5ca7adf16b18ebeb

SHA1
b28ba490dc67a1e2e1644fa3eec228695b0d4137

SHA256
4d6f218236666ac36ac68c7e4f565a4e49d6ffc24812b53db8863297d2e273f6

SHA512
65574bd0484d6b3fff0cc5accd5b3108fbf32b245d69e755867d6bffb6a8314db68aa3d2efafaa489c8285ab43b7dc32328d3425016c15b6d58b2a3c939ed344

Download Submit
C:\Windows\SysWOW64\rxlsifdv.tmp

Filesize
2.3MB

MD5
9ce695e4fe983046fbbc842832aafcbb

SHA1
51b7477b51eac63f8241982cf606a3ea689022ba

SHA256
14b671754cad50af809a9a60f03ebe66bbb176ca71a7268fa7ac3b4f9f4d5f3c

SHA512
d5f7432f19e1427e9f6a322aed50126f096264ad565bfb65e55030d8fd2c959651c7ac8f2d264be672cc69d4f5619f4bcd0a7e0ef5e1ffb0da0adba1460b9bb2

Download Submit
memory/904-16-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/904-25-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads