acca2af7e073b279dbafb4e4e893518c78bbcb7da8290608e5103f6f953978ce

General

Target

dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Size

18KB
MD5

dba938da217e84374b4328240ddf9af5
SHA1

ba41ad9236e2155177201fb33bc13628988e1799
SHA256

acca2af7e073b279dbafb4e4e893518c78bbcb7da8290608e5103f6f953978ce
SHA512

f72b2d8e845972495f5ebe5b6c4a055832405c527841b1ee68e685a2cc3175037a136ee729142c2c2c2978e9e22815d08f0abd5589a5ee661c661d894898864a
SSDEEP

384:Ld6gB3AOzuO106w8+lOq718ulyrjbXfPcxcxQGdFn0RB5:hWOKpoj01mLkOQG30RB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2752	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1724	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1724-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/1724-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\hkb0622a101.dll	dba938da217e84374b4328240ddf9af5_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	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC0ACA58-6A6F-51DA-9EFE-9D20F4F611BA}\	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\\{BC0ACA58-6A6F-51DA-9EFE-9D20F4F611BA}\\InProcServer32	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC0ACA58-6A6F-51DA-9EFE-9D20F4F611BA}	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC0ACA58-6A6F-51DA-9EFE-9D20F4F611BA}\InProcServer32	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC0ACA58-6A6F-51DA-9EFE-9D20F4F611BA}\InProcServer32\ = "C:\\Windows\\SysWow64\\hkb0622a101.dll"	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC0ACA58-6A6F-51DA-9EFE-9D20F4F611BA}\InProcServer32\ThreadingModel = "Apartment"	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1724	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2752	1724	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe	30
PID 1724 wrote to memory of 2752	1724	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe	30
PID 1724 wrote to memory of 2752	1724	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe	30
PID 1724 wrote to memory of 2752	1724	dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\cmd.exe
  cmd /c self.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\self.bat

Filesize
211B

MD5
afcfed044314c67385232dee9d3b68cc

SHA1
2d2a38f8573d54354fe3dd22330d0b5f250cb9ff

SHA256
a88df36741aca04695b79c7e055e847a12d2b76b232521bb9b571fc1929a55b1

SHA512
828bbd894015630a5f325c358e5ac3dd8ecfb5c76c05c805aaffeb74dfc870e95fca9bb195c92422a474aae0359a6883caf74a6720d6332985d840994bb88a85

Download Submit
\Windows\SysWOW64\hkb0622a101.dll

Filesize
32KB

MD5
5fa02caa08274399b25e473c554a2165

SHA1
aef27f2f7cf44ecd812025a8ca4632cf9f55e5bb

SHA256
4a9c3b737eb782834c037865d07c013dcbfcfebc436e40c772db97f14504e4fe

SHA512
37c9f6ea6a7c8afd76f1b4ed000277f4a72d02f76b568ef4a715fa1b16f970dd9a99d9cc86325b06a16a719fb227156c51a86512ae73a79feffaaea5e4bfec68

Download Submit
memory/1724-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1724-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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