c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43

Analysis

max time kernel
147s
max time network
140s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 05:25

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General

Target

c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe
Size

192KB
MD5

712178dd39c6381a5c36c23658dcaad4
SHA1

e00af9b1f82cf038b2596e3e35171b6cb5393e59
SHA256

c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43
SHA512

9e7ad4d633c665b831ed7619bcad95a04debec4d05f31bcb3136f31474b802113b10306c2b4be3427eef0e9542b60fef58c7c3d5c25d0bc13cbac0d29f7147f7
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOY:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXR

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1068	jaohost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\jaohost.exe	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe
File opened for modification	C:\Windows\Debug\jaohost.exe	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	jaohost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	jaohost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2920	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2800	2920	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe	31
PID 2920 wrote to memory of 2800	2920	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe	31
PID 2920 wrote to memory of 2800	2920	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe	31
PID 2920 wrote to memory of 2800	2920	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe	31

C:\Users\Admin\AppData\Local\Temp\c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe
"C:\Users\Admin\AppData\Local\Temp\c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C3CD75~1.EXE > nul
  2⤵
  PID:2800

C:\Windows\Debug\jaohost.exe
C:\Windows\Debug\jaohost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Debug\jaohost.exe

Filesize
192KB

MD5
e1c6b0a48d35a5aa21ed02a42d220870

SHA1
44b7e702116e28d69bc92dfeb6548b508e601143

SHA256
936551c8cda2baa23b7c0bf63b1675bad5a09e618ea1f3145eb1cfe2fc2eff7a

SHA512
ec0890b1c899e5118609d04e52f07a55b229799fec53ccf8343617203fa90b7010851d100d9be67fb39c92ef0699c0d5699e37522e801622dcd12a79a4010977

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C:\Windows\debug\jaohost.exe

Filesize
192KB

MD5
e1c6b0a48d35a5aa21ed02a42d220870

SHA1
44b7e702116e28d69bc92dfeb6548b508e601143

SHA256
936551c8cda2baa23b7c0bf63b1675bad5a09e618ea1f3145eb1cfe2fc2eff7a

SHA512
ec0890b1c899e5118609d04e52f07a55b229799fec53ccf8343617203fa90b7010851d100d9be67fb39c92ef0699c0d5699e37522e801622dcd12a79a4010977

Download Submit