21373a6d949a357dd7cab0df39490d440415d0887316430771923547f65a349c

Resubmissions

05-03-2023 10:32

230305-mk95wagc54 10

26-02-2023 16:19

26-02-2023 16:16

26-02-2023 16:07

26-02-2023 15:50

26-02-2023 15:19

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2023 10:32

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General

Target

ChatgptHelper.exe
Size

36KB
MD5

b50645ca6885b8f2dfd3571eae7afd1e
SHA1

2bc22b2fe4b75825deff008634390661b7802de5
SHA256

2a03b714a7d8a52e79746c1bb5fd0a08615f526d6390272d5678fa452846840a
SHA512

cd7eb7f8bbd4d3b30d7fd3d51f57f2202dbd3949463ec225df6b5c4c64f3cad9bb0f4e173c996cfde570877edf23600937ca5eaba8180083d92d9c83019338c0
SSDEEP

384:of+Nb7LsikZ9zNf/1uyU71evdjsOaP0rAF+rMRTyN/0L+EcoinblneHQM3epzX4F:lNf4l1lU71e9FacrM+rMRa8Nu2Pt

Score

8^/10

evasion

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

872 netsh.exe

pid	process
872	netsh.exe

Drops startup file 2 IoCs

Processes:

ChatgptHelper.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\330867499299d35c5dff831d5c393122.exe	ChatgptHelper.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\330867499299d35c5dff831d5c393122.exe	ChatgptHelper.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

ChatgptHelper.exe

description	pid	process
Token: SeDebugPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe
Token: 33	748	ChatgptHelper.exe
Token: SeIncBasePriorityPrivilege	748	ChatgptHelper.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ChatgptHelper.exe

description	pid	process	target process
PID 748 wrote to memory of 872	748	ChatgptHelper.exe	netsh.exe
PID 748 wrote to memory of 872	748	ChatgptHelper.exe	netsh.exe
PID 748 wrote to memory of 872	748	ChatgptHelper.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\ChatgptHelper.exe
"C:\Users\Admin\AppData\Local\Temp\ChatgptHelper.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ChatgptHelper.exe" "ChatgptHelper.exe" ENABLE
2⤵
- Modifies Windows Firewall
PID:872

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/748-133-0x0000000001120000-0x0000000001130000-memory.dmp

Filesize
64KB

Download
memory/748-135-0x0000000001120000-0x0000000001130000-memory.dmp

Filesize
64KB

Download