agenttesla | 4f3c0de5a08e918050382a42c6109fda68cc8167664065ebd98c73d761fde3f3

Analysis

max time kernel
51s
max time network
56s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20-06-2024 02:17

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General

Target

RFQ-2402-3572.exe
Size

706KB
MD5

2e11cbc359b45e25b7f5f3b6008f3adc
SHA1

e640cc86dfed0419775c394ed050674667ed8b2e
SHA256

48c7311341af01dfa4d01d6000fb17d6956d6607f2714bb88bba2f8ca0a93fbc
SHA512

4a4c3b8d84f8a7a7b09bd584b17f07fe929abd938b64cef95e2890512d988eff116ce726694d53e5d78e3063ed71b0ac3d33ebfa8db6dc3ec8b2469578c5c8ba
SSDEEP

12288:r3qyJMIC222lCz/mh/otW1AmPCLHmR895zB8DSSAwlDJyhy3KJx:r6Oo222Y7mh/BKm6vDF8+S/GhgKL

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.psgrasa.ir
Port:
587
Username:
[email protected]
Password:
mahsa730101
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RFQ-2402-3572.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YxAesh = "C:\\Users\\Admin\\AppData\\Roaming\\YxAesh\\YxAesh.exe"	RFQ-2402-3572.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ-2402-3572.exe

description pid process target process

PID 2492 set thread context of 4976 2492 RFQ-2402-3572.exe RFQ-2402-3572.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RFQ-2402-3572.exe

pid process

4976 RFQ-2402-3572.exe
4976 RFQ-2402-3572.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RFQ-2402-3572.exe

description pid process

Token: SeDebugPrivilege 4976 RFQ-2402-3572.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ-2402-3572.exe

pid process

4976 RFQ-2402-3572.exe

flow	ioc
6	api.ipify.org

description	pid	process	target process
PID 2492 set thread context of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe

pid	process
4976	RFQ-2402-3572.exe
4976	RFQ-2402-3572.exe

description	pid	process
Token: SeDebugPrivilege	4976	RFQ-2402-3572.exe

pid	process
4976	RFQ-2402-3572.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

RFQ-2402-3572.exe

description	pid	process	target process
PID 2492 wrote to memory of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe
PID 2492 wrote to memory of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe
PID 2492 wrote to memory of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe
PID 2492 wrote to memory of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe
PID 2492 wrote to memory of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe
PID 2492 wrote to memory of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe
PID 2492 wrote to memory of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe
PID 2492 wrote to memory of 4976	2492	RFQ-2402-3572.exe	RFQ-2402-3572.exe

C:\Users\Admin\AppData\Local\Temp\RFQ-2402-3572.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-2402-3572.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2492

C:\Users\Admin\AppData\Local\Temp\RFQ-2402-3572.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-2402-3572.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4976

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ-2402-3572.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2492-5-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/2492-3-0x0000000005860000-0x00000000058F2000-memory.dmp

Filesize
584KB

Download
memory/2492-10-0x000000000ADA0000-0x000000000AE3C000-memory.dmp

Filesize
624KB

Download
memory/2492-9-0x0000000008600000-0x0000000008684000-memory.dmp

Filesize
528KB

Download
memory/2492-4-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/2492-6-0x0000000005CC0000-0x0000000005CD6000-memory.dmp

Filesize
88KB

Download
memory/2492-7-0x0000000005D00000-0x0000000005D0E000-memory.dmp

Filesize
56KB

Download
memory/2492-8-0x00000000085A0000-0x00000000085B0000-memory.dmp

Filesize
64KB

Download
memory/2492-15-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/2492-2-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/2492-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2492-1-0x0000000000DE0000-0x0000000000E94000-memory.dmp

Filesize
720KB

Download
memory/4976-14-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4976-20-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4976-16-0x0000000001D10000-0x0000000001D76000-memory.dmp

Filesize
408KB

Download
memory/4976-17-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4976-19-0x0000000006D30000-0x0000000006D80000-memory.dmp

Filesize
320KB

Download
memory/4976-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download