agenttesla | 3c81f7d44209450901c1d9fc09cccd3e6b295692bb6ce0de0d8687e5c14e76d4

General

Target

d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe
Size

551KB
MD5

235fd45bf6dbc62b5310a71e761ee5a6
SHA1

3ffdfbd18c6259fbc62c3cdc1f82977f9808143a
SHA256

d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d
SHA512

ed7b8ec2019001dfc16ab8161579104cb0d7adf7795507d23d0ddd3a0b455b46d7844e30e56bdf07567c7bff0be124b4d4ad93ad7310bc6c1817b28b3c417d82
SSDEEP

12288:3YV6MorX7qzuC3QHO9FQVHPF51jgc322X3x+XorsE5hl7qS:EBXu9HGaVH35X34pE5hlR

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1900-0-0x00000000002B0000-0x00000000003F1000-memory.dmp	upx
behavioral1/memory/1900-24-0x00000000002B0000-0x00000000003F1000-memory.dmp	upx

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1900-24-0x00000000002B0000-0x00000000003F1000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30

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	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2680	RegSvcs.exe
2680	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe
1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe
1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe
1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2680	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30
PID 1900 wrote to memory of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30
PID 1900 wrote to memory of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30
PID 1900 wrote to memory of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30
PID 1900 wrote to memory of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30
PID 1900 wrote to memory of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30
PID 1900 wrote to memory of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30
PID 1900 wrote to memory of 2680	1900	d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe	30

C:\Users\Admin\AppData\Local\Temp\d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe
"C:\Users\Admin\AppData\Local\Temp\d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\d3956670c2fb4ab0739bff8f47efc5f6accc848960a9ec11e8bb1849dfc8a59d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1900-0-0x00000000002B0000-0x00000000003F1000-memory.dmp

Filesize
1.3MB

Download
memory/1900-12-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/1900-24-0x00000000002B0000-0x00000000003F1000-memory.dmp

Filesize
1.3MB

Download
memory/2680-19-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2680-22-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2680-15-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2680-13-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2680-25-0x0000000073E4E000-0x0000000073E4F000-memory.dmp

Filesize
4KB

Download
memory/2680-26-0x0000000073E40000-0x000000007452E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-27-0x0000000073E4E000-0x0000000073E4F000-memory.dmp

Filesize
4KB

Download
memory/2680-28-0x0000000073E40000-0x000000007452E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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