agenttesla | e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2

General

Target

e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe
Size

634KB
MD5

b77c277a7a050e95c6248e0baaf9e794
SHA1

64e6e19f4ac2f9d99e40993cedef12b5362497d2
SHA256

e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2
SHA512

908d3f443deb5bfbd0573cca90edf6595b98487a45491937ed95c68f05171167dbee41c6cf1ed4ee2aa3f029f5e0f65baadba2a7618bd89729402bd77823809d
SSDEEP

12288:JOAgFdodxJJ3HBz3XqrNLMo4Ozj1enA1u9Ygv4bRi5YW8BPXgsR:sAggxnhTXcV4Oknn9YG4HW8Bfg

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.solucionesmexico.mx
Port:
21
Username:
[email protected]
Password:
dGG^ZYIxX5!B

Signatures

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

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 2464 set thread context of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.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	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3044	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe
3044	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30
PID 2464 wrote to memory of 3044	2464	e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe	30

C:\Users\Admin\AppData\Local\Temp\e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe
"C:\Users\Admin\AppData\Local\Temp\e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Users\Admin\AppData\Local\Temp\e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe
  "C:\Users\Admin\AppData\Local\Temp\e84663ab628ea34d3c8af99e48cb6eb9012ac694a8cf5d2dea8890e40bd870f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3044

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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2464-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2464-1-0x0000000000E40000-0x0000000000EE4000-memory.dmp

Filesize
656KB

Download
memory/2464-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2464-3-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2464-4-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/2464-5-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2464-6-0x00000000052E0000-0x0000000005366000-memory.dmp

Filesize
536KB

Download
memory/2464-18-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3044-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3044-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3044-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3044-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3044-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3044-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3044-19-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-20-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-21-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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