897cbdeab20b8d8f91eb669c556b701e25f1e6fcad26294a89c8854b29c6d6e2

General

Target

eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
Size

15KB
MD5

eb080cd681c3927fef2ec003baceb1cf
SHA1

c70f0c3ec8cdabfcfe34f065bf89db6b3c6589a1
SHA256

897cbdeab20b8d8f91eb669c556b701e25f1e6fcad26294a89c8854b29c6d6e2
SHA512

e41e286168220a2daa6cc8bc7cce2d1ab3aeb4b79518cae694505d95c3dc12be97de029c96212243dd8e9f9dfd4f6ca2a6a6f91a0beebb001343acef41ba1f05
SSDEEP

384:LqmhgzhZvetCeBcfWiIrcDxn2RV3tULKBZbE5:LqEeZvetNBcxDI3tULKBZg

Score

10^/10

persistence upx

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\wzhdbpxk.dll = "{71A78CD4-E470-4a18-8457-E0E0283DD507}"	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4716-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral2/memory/4716-18-0x0000000000400000-0x000000000040D000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wzhdbpxk.tmp	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wzhdbpxk.tmp	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wzhdbpxk.nls	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32\ = "C:\\Windows\\SysWow64\\wzhdbpxk.dll"	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32\ThreadingModel = "Apartment"	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 1040	4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe	98
PID 4716 wrote to memory of 1040	4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe	98
PID 4716 wrote to memory of 1040	4716	eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb080cd681c3927fef2ec003baceb1cf_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4716
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\A98E.tmp.bat
  2⤵
  PID:1040

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\A98E.tmp.bat

Filesize
207B

MD5
cbb393990d160e0f420de1ffdb063c58

SHA1
da4bf3ed2cc5bc7b671d07898604bdf3f5abba04

SHA256
40e15c90e6c69c7a4194de251f535419840b0144a6714819d1a42fbcdfd8c11f

SHA512
89f4a7a83c8f323f0becdbc0c475c61b437abb6e0fb700e3c41ceb2f736a19de3115215c766e08e8a3ae19a4611ada9cf37baceb72a372aa5320f12a99dd6337

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

Filesize
428B

MD5
39a6776fa0c959ead1d35cfd7da3c8a5

SHA1
a06038c16183051fc5874364877e57a127bb7c37

SHA256
96a4f24d3b45b0c6ab958555a235b00220dbf28b8cc60218d87255d4e5e59aac

SHA512
5d335bf1021be2356557025421c5838c2af8ca9288d9102e8ee70707959162f6c61ba9229a2db8f5912164e3affebdd853fc06985f29f17c7e787572f1c7240b

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

Filesize
2.0MB

MD5
a1b735391e8964716d7ac44a70f90c03

SHA1
37a6acbc53c0397ac537f601f159cade7e860297

SHA256
58c1cddbd2596c699b85f5a9f82263c658164223e499a94fb3f29a6c66356e60

SHA512
92194366ec641f63eac57af242e3b64b7080c2472ef6230c1bd20b1f50ede268370709eb82a2138587f2608580ae8ce80110a8eb28c40641ddae547005f3d631

Download Submit
memory/4716-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4716-18-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4716-19-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/4716-25-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads