cobaltstrike | b7a449375a54c27c67232a59691ae2fc5a3751feea238f8e3dc89b367a2e5bcc

Analysis

max time kernel
123s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 06:43

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General

Target

b7a449375a54c27c67232a59691ae2fc5a3751feea238f8e3dc89b367a2e5bcc.exe
Size

307KB
MD5

3498c294883156b4076ce82826b1591d
SHA1

99167ba4c13df8c3da314ad8e257022539669c7f
SHA256

b7a449375a54c27c67232a59691ae2fc5a3751feea238f8e3dc89b367a2e5bcc
SHA512

96b24265da685ce6f14a9c979c67140befcc3d82fe8a4402edd5875040ded2fe562e85864506b384899e707d9b253421d56d7a1f0931c01eba5b76248d9dae5e
SSDEEP

6144:2qzIT72Y0S+zinYKTY1SQshfRPVQe1MZkIYSccr7wbstOEPECYeixlYGicMX:2Ck7SSpYsY1UMqMZJYSN7wbstOE8fve9

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{7711AC5E-E12A-437B-9EDB-2442B29852F3}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{29F746FE-8D01-418C-B419-EC7338E58A9B}.catalogItem	svchost.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:

svchost.exe

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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

C:\Users\Admin\AppData\Local\Temp\b7a449375a54c27c67232a59691ae2fc5a3751feea238f8e3dc89b367a2e5bcc.exe
"C:\Users\Admin\AppData\Local\Temp\b7a449375a54c27c67232a59691ae2fc5a3751feea238f8e3dc89b367a2e5bcc.exe"
1⤵
PID:2228

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4100

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2228-132-0x00000000004C0000-0x0000000000510000-memory.dmp

Filesize
320KB

Download
memory/2228-133-0x00000000004C0000-0x0000000000510000-memory.dmp

Filesize
320KB

Download
memory/2228-134-0x000000007F120000-0x000000007F164000-memory.dmp

Filesize
272KB

Download