b303668f610e9b2cac3e4bb2bd0520f133f47c4b51f482f22fa2b6af289eb33c

General

Target

b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe
Size

9KB
MD5

b17cdc500378fb6ca7d5eb2731ac571b
SHA1

bb3fb3dcd764eb3aeeddd7d334abb5e0a808271b
SHA256

b303668f610e9b2cac3e4bb2bd0520f133f47c4b51f482f22fa2b6af289eb33c
SHA512

0e93839a3403f56000c0488828615a3cb2a5cdb12c98b40a0351a1ac448e1a3d70890306dafb7bdbd5bb59e8abdbe4cd2b334a63ac703cf4ca07d948c7baeb7a
SSDEEP

192:TbPAK5sj9g/t5kogGPMc7BwMd3sQGdXWeLOWz7aaL:/P9wg/t5hgGPM22xDzeW

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\midimaptl = "{4F4F0064-71E0-4f0d-0017-708476C7815F}"	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1636	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\midimaptl.dat	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\midimaptl.tmp	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\midimaptl.tmp	b17cdc500378fb6ca7d5eb2731ac571b_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	b17cdc500378fb6ca7d5eb2731ac571b_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\{4F4F0064-71E0-4f0d-0017-708476C7815F}	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F4F0064-71E0-4f0d-0017-708476C7815F}\InProcServer32	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F4F0064-71E0-4f0d-0017-708476C7815F}\InProcServer32\ = "C:\\Windows\\SysWow64\\midimaptl.dll"	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F4F0064-71E0-4f0d-0017-708476C7815F}\InProcServer32\ThreadingModel = "Apartment"	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2392	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2392	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 1636	2392	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe	30
PID 2392 wrote to memory of 1636	2392	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe	30
PID 2392 wrote to memory of 1636	2392	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe	30
PID 2392 wrote to memory of 1636	2392	b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b17cdc500378fb6ca7d5eb2731ac571b_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:2392
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\BFE5.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1636

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\BFE5.tmp.bat

Filesize
207B

MD5
3dfccbcb73810d1cc646dcedd86b4c1f

SHA1
95cfad36ad2db85d0e0045a0aa3365bd6d68c056

SHA256
c088fa8dbe4c9ea19dd14e7cde0ba245756bce64874226a6c36a09d99242c7f4

SHA512
d59da12ec17e84e993b38d48b36db2b49c93c59f523d3fe190ff797f4b2dadc1ee1ef1288450ccf3618d6d14d606d0646d07a9c5cc4c9ae1733e743ae39e229e

Download Submit
\Windows\SysWOW64\midimaptl.dll

Filesize
20KB

MD5
8f78c9c816315aa987ef3bd882e696af

SHA1
601a2252445a6d9ad09f9ef113c5b5c3ded4685d

SHA256
e1703ec9d1c17c2bf159114b70bd05ce692b2c8609c3f2d044dc2d311c479f25

SHA512
f0eb04f82452303b24d387ce1fcbcccacaf5a5de19ae8a0e9393f174f4aecb6029b6540df67046eca19ace8e05d11f95cc1889b8ab35a16e82b4868d6ddab0d3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads