cobaltstrike | f8bdea32972751166ba44ca7cc6d89851912d34422e770abb525d55dfac9077e

General

Target

cs_obfuscated_vba.xlsm
Size

21KB
MD5

e4b23adf2b3e3edfe8a979ee5d49be20
SHA1

b12f90b483e2f5053ecd5fb8ea2bc5ddf4d3ae11
SHA256

f8bdea32972751166ba44ca7cc6d89851912d34422e770abb525d55dfac9077e
SHA512

ddb2287198d7e82369a03fc742e1ea040f74dd83f5162db00f0a37234ee58cbab321f859b722aefe0dd8e4df99df5179d63022e04ae9cc2b4852c4fb24c65b43

Score

10^/10

cobaltstrike metasploit backdoor trojan

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

C2

http://resources.healthmade.org:80/thumb/preview.gif

Attributes

headers User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

Extracted

Family

cobaltstrike

C2

http://resources.healthmade.org:80/__utm.gif

Attributes

access_type
512
beacon_type
0
create_remote_thread
0
day
0
dns_idle
0
dns_sleep
0
host
resources.healthmade.org,/__utm.gif
http_header1
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
http_header2
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
http_method1
GET
http_method2
POST
injection_process
jitter
7680
maxdns
0
month
0
pipe_name
polling_time
30000
port_number
80
proxy_password
proxy_server
proxy_username
sc_process32
%windir%\syswow64\WerFault.exe
sc_process64
%windir%\sysnative\WerFault.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpRrJXGxXzjCf2S2A1wbdkekxgKbnifIIayLRat08R6vjjTxcWEeZrDjY0U7bl4LJSGOAZRwV9m/P5VqFGU6N8Zufhz2wCiag/oTNSDQNVJn+ijTEtdfkS0nMXEry5AkH6k7AG8BYszdU4CofCRJdRnh6dixXclrdyCMFL9p04gwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
6.71092736e+08
unknown2
AAAABAAAAAIAAAAPAAAAAgAAAA8AAAACAAAACgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown3
0
unknown4
0
unknown5
2.9665394e+07
uri
/___utm.gif
user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
year
0

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

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	4432	4772	explorer.exe	EXCEL.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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4772 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.exe
PID 4772 wrote to memory of 4432	4772	EXCEL.EXE	explorer.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\cs_obfuscated_vba.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4772

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
2⤵
- Process spawned unexpected child process
PID:4432

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/4432-7-0x0000000002E80000-0x0000000002E81000-memory.dmp

Filesize
4KB

Download
memory/4432-9-0x0000000005120000-0x0000000005520000-memory.dmp

Filesize
4.0MB

Download
memory/4772-2-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/4772-3-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/4772-4-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/4772-5-0x00007FFBE4380000-0x00007FFBE49B7000-memory.dmp

Filesize
6.2MB

Download
memory/4772-6-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/4772-10-0x00007FF73FDA0000-0x00007FF743356000-memory.dmp

Filesize
53.7MB

Download
memory/4772-11-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/4772-12-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/4772-13-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/4772-14-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads