a3f7c1ea0e397c481df890aba490e6292ef3b0eed82bfa8cf0f26fe1c1f43eed

General

Target

f73ec376263276b164b92ae8404ba38f_JaffaCakes118.xls
Size

36KB
MD5

f73ec376263276b164b92ae8404ba38f
SHA1

c14fbe5b7678ddf296c7a87ec9bab9129727e402
SHA256

a3f7c1ea0e397c481df890aba490e6292ef3b0eed82bfa8cf0f26fe1c1f43eed
SHA512

47b1cfb680459ed92cfbab7f1d0a22e4fc91bea54e0173395cebcb447c2ee345f6863b668ed21df6a33018f7adf8ef1bb79d058cb5396fdec7ad76a44b4273cb
SSDEEP

768:0PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJQPozxTBz8Mq3kd1I24/z3XQ:wok3hbdlylKsgqopeJBWhZFGkE+cL2NO

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

explorer.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4204	1964	explorer.exe	EXCEL.EXE

Blocklisted process makes network request 2 IoCs

Processes:

WScript.exe

flow pid process

33 2112 WScript.exe
35 2112 WScript.exe

flow	pid	process
33	2112	WScript.exe
35	2112	WScript.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1964 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1964 EXCEL.EXE
1964 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 1964 wrote to memory of 4204	1964	EXCEL.EXE	explorer.exe
PID 1964 wrote to memory of 4204	1964	EXCEL.EXE	explorer.exe
PID 2468 wrote to memory of 2112	2468	explorer.exe	WScript.exe
PID 2468 wrote to memory of 2112	2468	explorer.exe	WScript.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f73ec376263276b164b92ae8404ba38f_JaffaCakes118.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\Rh8.vbs
2⤵
- Process spawned unexpected child process
PID:4204

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2468

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\Rh8.vbs"
2⤵
- Blocklisted process makes network request
PID:2112

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Public\Documents\Rh8.vbs
Filesize
562B

MD5
2cda72119598d9ba783fa93720026095

SHA1
b7ef4a97815d999e0a05ad88f1a29a38011cf960

SHA256
1f511367ff1a867132eba65720ff74f079adeaeeac9c0d6ba4b0d78840cebe79

SHA512
477cb2ef2d1b779e1f8f4151fad630a422f3bb1258511c3afce6d7752ec126a1d64ae8b77656176753977111748ec34f390a91c7752bb0839f57c2a5c52ed96a

Download Submit
memory/1964-19-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-11-0x00007FF85A250000-0x00007FF85A260000-memory.dmp

Filesize
64KB

Download
memory/1964-20-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-9-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-21-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-13-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-12-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-22-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-14-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-15-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-18-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-2-0x00007FF85C490000-0x00007FF85C4A0000-memory.dmp

Filesize
64KB

Download
memory/1964-5-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-6-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-10-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-23-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-17-0x00007FF85A250000-0x00007FF85A260000-memory.dmp

Filesize
64KB

Download
memory/1964-16-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-8-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-7-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download
memory/1964-4-0x00007FF85C490000-0x00007FF85C4A0000-memory.dmp

Filesize
64KB

Download
memory/1964-1-0x00007FF85C490000-0x00007FF85C4A0000-memory.dmp

Filesize
64KB

Download
memory/1964-0-0x00007FF85C490000-0x00007FF85C4A0000-memory.dmp

Filesize
64KB

Download
memory/1964-3-0x00007FF85C490000-0x00007FF85C4A0000-memory.dmp

Filesize
64KB

Download
memory/1964-35-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads