agenttesla | 811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641

General

Target

811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe
Size

333KB
MD5

42b4fef373e667d728f14edcc273d022
SHA1

9c632c3dff322fbf8fea5db15c2587062c481bf2
SHA256

811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641
SHA512

30e40cf5442b6fed390d6bf031ddde0d96ff5c107dfd9ff2b90d9601cf8c01f9f0ce30ee95e0a1b96526b50b5898897247d4e8704d818d43dfb76b994763de52
SSDEEP

6144:l0PUl8IZHn/sJedRnkPaGbAbih/XK6KyRaj7uy6YbSy9w05W+M7j:l0lIx/sgnkP5BSQy7xjigWtf

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sateq.org.mx
Port:
587
Username:
[email protected]
Password:
O5orn1o2022
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 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe"	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.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.

flow	ioc
21	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4420 set thread context of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
816	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe
816	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	816	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84
PID 4420 wrote to memory of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84
PID 4420 wrote to memory of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84
PID 4420 wrote to memory of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84
PID 4420 wrote to memory of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84
PID 4420 wrote to memory of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84
PID 4420 wrote to memory of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84
PID 4420 wrote to memory of 816	4420	811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe	84

C:\Users\Admin\AppData\Local\Temp\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe
"C:\Users\Admin\AppData\Local\Temp\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Users\Admin\AppData\Local\Temp\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe
  "C:\Users\Admin\AppData\Local\Temp\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe.log

Filesize
42B

MD5
84cfdb4b995b1dbf543b26b86c863adc

SHA1
d2f47764908bf30036cf8248b9ff5541e2711fa2

SHA256
d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

SHA512
485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

Download Submit
memory/816-15-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/816-17-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/816-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/816-16-0x0000000006CD0000-0x0000000006CDA000-memory.dmp

Filesize
40KB

Download
memory/816-6-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/816-7-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/816-8-0x00000000051D0000-0x0000000005236000-memory.dmp

Filesize
408KB

Download
memory/816-9-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/816-10-0x0000000006850000-0x00000000068E2000-memory.dmp

Filesize
584KB

Download
memory/816-12-0x00000000068F0000-0x0000000006940000-memory.dmp

Filesize
320KB

Download
memory/816-13-0x00000000069E0000-0x0000000006A7C000-memory.dmp

Filesize
624KB

Download
memory/4420-5-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-14-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/4420-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/4420-1-0x0000000000D30000-0x0000000000D8A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads