9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec

Analysis

max time kernel
145s
max time network
159s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 20:04

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General

Target

9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe
Size

198KB
MD5

783663acd0f5b57a54917898feb3192f
SHA1

c146f3168379a9b2c11bd73dbcdd035f1888e78d
SHA256

9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec
SHA512

6e32f0703730bd1e7034cd4c6f2959a2e973a32ce314ddccc6f0f9a3177ed09e78b62f2f081aeeeca0518772714c29939e344152c22e7f21274988d327f6cbd5
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOm:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXP

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2088	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	jaohost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\jaohost.exe	9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe
File opened for modification	C:\Windows\Debug\jaohost.exe	9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.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	2204	9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2088	2204	9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe	29
PID 2204 wrote to memory of 2088	2204	9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe	29
PID 2204 wrote to memory of 2088	2204	9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe	29
PID 2204 wrote to memory of 2088	2204	9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe	29

C:\Users\Admin\AppData\Local\Temp\9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe
"C:\Users\Admin\AppData\Local\Temp\9a449e54a16c70a8a7858f24a075e180578ed56cf7b06e132748f5f2814ed4ec.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9A449E~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2088

C:\Windows\Debug\jaohost.exe
C:\Windows\Debug\jaohost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3060

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
198KB

MD5
7a09a716b35757b4d75d2cb072267971

SHA1
7a6402a2054e7a7588461b66dd318a5dd6d68433

SHA256
ba061009cd016e9923fb479b656e4f3e1472af5528607bdea379c8c31a5fa656

SHA512
c6c65699abaeebb82bec182d0fddbca3143d2659f040301aa989fc1f6d8b66765e79f25d1a3d34667fd2f54ac2369efa8e6f6d2efaad45ce77380c1c5606519e

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