agenttesla | 3bf9477b369ec4ba0cd09e680da9318c2a8b2214b14734eaff5c5140790b74c7

Analysis

max time kernel
140s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 08:23

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General

Target

IMG_507012000120.exe
Size

460KB
MD5

d11e4075a0c1e496928b29dd7b1ea696
SHA1

0735b093ba199d2a092e5c7f22c3feb9e2420b7a
SHA256

46c89ffa3614d649b0ad4f4a83c6d1f074dc501568349219ea2c8ec490611ea3
SHA512

cfdbbe8ff7c64ec0486356c687e014cd81c1c275b467f0f549bf138cc13ac53e75b401740f810e4a1f7d518069fc781122845aa7c8beb384ec3d7e195e45ba3b
SSDEEP

6144:A0zU8cfLR0joFCjlLRkYcIjjQEwkU0TSjhpH3565XnnTHe4yfm7aV:37jncwuSO

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
uqVB1SvSSAxB
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:

IMG_507012000120.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\notepads = "C:\\Users\\Admin\\AppData\\Roaming\\notepads.exe"	IMG_507012000120.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

45 api.ipify.org
46 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG_507012000120.exe

description pid process target process

PID 2640 set thread context of 1104 2640 IMG_507012000120.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

1104 RegAsm.exe
1104 RegAsm.exe
1104 RegAsm.exe

flow	ioc
45	api.ipify.org
46	api.ipify.org

description	pid	process	target process
PID 2640 set thread context of 1104	2640	IMG_507012000120.exe	RegAsm.exe

pid	process
1104	RegAsm.exe
1104	RegAsm.exe
1104	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

IMG_507012000120.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2640	IMG_507012000120.exe
Token: SeDebugPrivilege	2640	IMG_507012000120.exe
Token: SeDebugPrivilege	1104	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

IMG_507012000120.exe

description	pid	process	target process
PID 2640 wrote to memory of 1104	2640	IMG_507012000120.exe	RegAsm.exe
PID 2640 wrote to memory of 1104	2640	IMG_507012000120.exe	RegAsm.exe
PID 2640 wrote to memory of 1104	2640	IMG_507012000120.exe	RegAsm.exe
PID 2640 wrote to memory of 1104	2640	IMG_507012000120.exe	RegAsm.exe
PID 2640 wrote to memory of 1104	2640	IMG_507012000120.exe	RegAsm.exe
PID 2640 wrote to memory of 1104	2640	IMG_507012000120.exe	RegAsm.exe
PID 2640 wrote to memory of 1104	2640	IMG_507012000120.exe	RegAsm.exe
PID 2640 wrote to memory of 1104	2640	IMG_507012000120.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\IMG_507012000120.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_507012000120.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1104

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1036,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=4132 /prefetch:8
1⤵
PID:2948

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

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1104-4902-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/1104-4903-0x0000000000620000-0x0000000000660000-memory.dmp

Filesize
256KB

Download
memory/1104-4904-0x0000000004CC0000-0x0000000004D26000-memory.dmp

Filesize
408KB

Download
memory/1104-4905-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/1104-4906-0x0000000005F70000-0x0000000005FC0000-memory.dmp

Filesize
320KB

Download
memory/1104-4909-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/1104-4908-0x0000000005FF0000-0x0000000005FFA000-memory.dmp

Filesize
40KB

Download
memory/1104-4907-0x0000000006060000-0x00000000060F2000-memory.dmp

Filesize
584KB

Download
memory/2640-53-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-47-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-9-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-17-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-15-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-13-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-11-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-7-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-5-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-22-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-31-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-55-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-63-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-67-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-65-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-61-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-59-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-57-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-3-0x00000000074D0000-0x0000000007700000-memory.dmp

Filesize
2.2MB

Download
memory/2640-51-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-49-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-45-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-43-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-4-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-39-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-35-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-33-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-29-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-27-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-25-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-23-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-41-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-19-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-37-0x00000000074D0000-0x00000000076FB000-memory.dmp

Filesize
2.2MB

Download
memory/2640-4890-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/2640-4891-0x0000000005B20000-0x0000000005B26000-memory.dmp

Filesize
24KB

Download
memory/2640-4893-0x0000000005CF0000-0x0000000005D3C000-memory.dmp

Filesize
304KB

Download
memory/2640-4892-0x0000000005C80000-0x0000000005CEC000-memory.dmp

Filesize
432KB

Download
memory/2640-2-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/2640-1-0x00000000008B0000-0x0000000000926000-memory.dmp

Filesize
472KB

Download
memory/2640-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2640-4894-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2640-4895-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download
memory/2640-4896-0x00000000068A0000-0x0000000006E44000-memory.dmp

Filesize
5.6MB

Download
memory/2640-4897-0x00000000060A0000-0x00000000060F4000-memory.dmp

Filesize
336KB

Download
memory/2640-4901-0x0000000074AD0000-0x0000000075280000-memory.dmp

Filesize
7.7MB

Download