agenttesla | 139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb

General

Target

139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe
Size

586KB
MD5

13585cb3abbdb8cb2af00c06e68a9160
SHA1

e8c314eb378d07923416acec105f9becd96f5633
SHA256

139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb
SHA512

7bec4f5549e2e507a098bd1f3b106f3b6e4a2855a325944c57c79d3071fe86e710ed8549b1d1c28d0d79a46efcc85c17d39a120afb76b525c2b9dfda6a7b99fb
SSDEEP

12288:gy8zFu29/XBNc21ZENyxS9RgLR8bWxQjrMC5XK3MEgcngxJ0OO6tQ:gy8H/xNc21yN39RkyqxMKk70x

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.skylinemaritime.net
Port:
587
Username:
[email protected]
Password:
js5C(,jsKG?]
Email To:
[email protected]

Signatures

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

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
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1704 set thread context of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	jsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
536	jsc.exe
536	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	jsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 536	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	31
PID 1704 wrote to memory of 2360	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	32
PID 1704 wrote to memory of 2360	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	32
PID 1704 wrote to memory of 2360	1704	139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe	32

C:\Users\Admin\AppData\Local\Temp\139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe
"C:\Users\Admin\AppData\Local\Temp\139fd1439e11304883853f37ee9f4bcdc0e85c9cd7415a794fd61fde62957bfb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:536
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1704 -s 620
  2⤵
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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/536-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/536-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/536-22-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/536-21-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/536-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/536-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/536-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/536-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/536-19-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/536-18-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/536-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/536-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1704-1-0x0000000000AB0000-0x0000000000B46000-memory.dmp

Filesize
600KB

Download
memory/1704-2-0x0000000001F50000-0x0000000001FE4000-memory.dmp

Filesize
592KB

Download
memory/1704-20-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

Filesize
9.9MB

Download
memory/1704-3-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

Filesize
9.9MB

Download
memory/1704-0-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmp

Filesize
4KB

Download

Analysis

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