agenttesla | cd77b109e45ef08f0b25ae4e211b4134bd7c349cbdf2ecde6425ec267a6a3a0d

Analysis

max time kernel
125s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2023 02:36

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General

Target

18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
Size

823KB
MD5

77e7f5ee129d7a0eb6a063c6700083f6
SHA1

3809d6d83545814b6ca32ee97de22a5d9ce43114
SHA256

18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d
SHA512

5933fba201b39e8e3768b2eae316e9ab2bce27446d96b521f044a7960f7402ee2fd44c5d1f5be5ff0e8390978e836c030b3b341039e2023aace9d7f39693611e
SSDEEP

12288:PWcXtW8G34/uK45+po2PUabkUh88z0IvoFMY1EUcCzetvc4en1ccxfD0whVS3UeJ:634/up+pJKY3o7NHiFcrn9xfnV+bJ

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6695508500:AAHkexS5oB1E5lJkAEKZx2DzV7hRPW1U52k/

Signatures

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

18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ydVSL = "C:\\Users\\Admin\\AppData\\Roaming\\ydVSL\\ydVSL.exe"	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.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

flow	ioc
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

description	pid	process	target process
PID 1448 set thread context of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

pid	process
4364	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
4364	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

description pid process

Token: SeDebugPrivilege 4364 18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

pid process

4364 18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

description	pid	process
Token: SeDebugPrivilege	4364	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

description	pid	process	target process
PID 1448 wrote to memory of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
PID 1448 wrote to memory of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
PID 1448 wrote to memory of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
PID 1448 wrote to memory of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
PID 1448 wrote to memory of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
PID 1448 wrote to memory of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
PID 1448 wrote to memory of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
PID 1448 wrote to memory of 4364	1448	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe	18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe

C:\Users\Admin\AppData\Local\Temp\18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
"C:\Users\Admin\AppData\Local\Temp\18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe
"C:\Users\Admin\AppData\Local\Temp\18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\18e7407574a68f77e1fae3d3c818d864b7a61b044e16805f684968335197cc7d.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1448-10-0x0000000006860000-0x00000000068FC000-memory.dmp

Filesize
624KB

Download
memory/1448-14-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/1448-9-0x0000000006C00000-0x0000000006C7E000-memory.dmp

Filesize
504KB

Download
memory/1448-4-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/1448-5-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/1448-6-0x0000000005730000-0x0000000005748000-memory.dmp

Filesize
96KB

Download
memory/1448-7-0x0000000005A90000-0x0000000005A98000-memory.dmp

Filesize
32KB

Download
memory/1448-8-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

Filesize
40KB

Download
memory/1448-3-0x0000000005530000-0x00000000055C2000-memory.dmp

Filesize
584KB

Download
memory/1448-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

Filesize
5.6MB

Download
memory/1448-1-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/1448-0-0x0000000000A70000-0x0000000000B44000-memory.dmp

Filesize
848KB

Download
memory/4364-21-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/4364-15-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4364-17-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/4364-16-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/4364-19-0x0000000006DC0000-0x0000000006E10000-memory.dmp

Filesize
320KB

Download
memory/4364-20-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/4364-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download