agenttesla | 52956935c2cfda3595e58626d19c945ae23254fdc558fe1e3e5179c50d459e9c

Analysis

max time kernel
146s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
19/04/2024, 12:26

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General

Target

nixware.exe
Size

628KB
MD5

3736bc893ee1f794f99137cf40264e60
SHA1

4a7734204d5d51c86db2553d29a17a5dea1d0e8f
SHA256

b3372ae98fa4d179c7db430d89d588aca2288819851e88c507ccdf4be9c7e262
SHA512

1d236c0ffe68a4df82f2026b59d505a42293118f3169c5ba96d955b0a80b733125092167075b96ba91aa1bad26cd1233ac6a5e536d22d0dc2302900195e60cbf
SSDEEP

12288:Q36LbOlZAbkrB+714Xih1r8lXjFkrB+714Xih1r8lXj:Q96bw+7Brr8lXpw+7Brr8lX

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral3/memory/496-7-0x0000000006170000-0x0000000006384000-memory.dmp	family_agenttesla

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\cleaner.exe	nixware.exe
File created	C:\Windows\randomisershit.sys	nixware.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	nixware.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	nixware.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	nixware.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	496	nixware.exe

C:\Users\Admin\AppData\Local\Temp\nixware.exe
"C:\Users\Admin\AppData\Local\Temp\nixware.exe"
1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:496

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

memory/496-0-0x0000000000810000-0x00000000008B4000-memory.dmp

Filesize
656KB

Download
memory/496-1-0x0000000074840000-0x0000000074FF1000-memory.dmp

Filesize
7.7MB

Download
memory/496-2-0x0000000005250000-0x00000000052EE000-memory.dmp

Filesize
632KB

Download
memory/496-3-0x00000000059A0000-0x0000000005F46000-memory.dmp

Filesize
5.6MB

Download
memory/496-4-0x0000000005490000-0x0000000005522000-memory.dmp

Filesize
584KB

Download
memory/496-5-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/496-6-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/496-7-0x0000000006170000-0x0000000006384000-memory.dmp

Filesize
2.1MB

Download
memory/496-8-0x0000000005F50000-0x000000000609E000-memory.dmp

Filesize
1.3MB

Download
memory/496-9-0x0000000005720000-0x0000000005734000-memory.dmp

Filesize
80KB

Download
memory/496-10-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/496-11-0x0000000074840000-0x0000000074FF1000-memory.dmp

Filesize
7.7MB

Download
memory/496-12-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/496-13-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/496-15-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/496-16-0x0000000074840000-0x0000000074FF1000-memory.dmp

Filesize
7.7MB

Download