agenttesla | 336f0150fdcd079305bc991b95fed2791fbe7c9298b915191ffc5b525c0e2b27

General

Target

packing list l kyritsis.PDF.exe
Size

961KB
MD5

9b5fd736ccb7d5e254de6cc4f5af7524
SHA1

faa2846f9580383ae9800357aba29d270cb5e129
SHA256

fcfbff5d4ca24328d97ee24d502bbf08d838ccfe5e52bb9dcfe4bdda976eede2
SHA512

e0a1b51638cabf51d34f8b2018df71b22108e3cfb6754a63286750048f13fe9cdae972c77fa28df26533309939aa7044586637b7c053b3c6f67be5964612decd
SSDEEP

24576:gtOrPOz+EzxWSsmSZCec/pkoqTe2z7ndB:Yz+iWSEZCZ/vy7nj

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
19	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1040 set thread context of 3444	1040	packing list l kyritsis.PDF.exe	97

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	packing list l kyritsis.PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	packing list l kyritsis.PDF.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3444	packing list l kyritsis.PDF.exe
3444	packing list l kyritsis.PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3444	packing list l kyritsis.PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 3444	1040	packing list l kyritsis.PDF.exe	97
PID 1040 wrote to memory of 3444	1040	packing list l kyritsis.PDF.exe	97
PID 1040 wrote to memory of 3444	1040	packing list l kyritsis.PDF.exe	97
PID 1040 wrote to memory of 3444	1040	packing list l kyritsis.PDF.exe	97
PID 1040 wrote to memory of 3444	1040	packing list l kyritsis.PDF.exe	97
PID 1040 wrote to memory of 3444	1040	packing list l kyritsis.PDF.exe	97
PID 1040 wrote to memory of 3444	1040	packing list l kyritsis.PDF.exe	97
PID 1040 wrote to memory of 3444	1040	packing list l kyritsis.PDF.exe	97

C:\Users\Admin\AppData\Local\Temp\packing list l kyritsis.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\packing list l kyritsis.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\packing list l kyritsis.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\packing list l kyritsis.PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3444

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\packing list l kyritsis.PDF.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1040-4-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/1040-3-0x00000000054B0000-0x0000000005542000-memory.dmp

Filesize
584KB

Download
memory/1040-10-0x0000000006BA0000-0x0000000006C26000-memory.dmp

Filesize
536KB

Download
memory/1040-9-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/1040-5-0x0000000005570000-0x000000000557A000-memory.dmp

Filesize
40KB

Download
memory/1040-6-0x0000000005770000-0x000000000580C000-memory.dmp

Filesize
624KB

Download
memory/1040-7-0x0000000005720000-0x0000000005732000-memory.dmp

Filesize
72KB

Download
memory/1040-8-0x000000007526E000-0x000000007526F000-memory.dmp

Filesize
4KB

Download
memory/1040-16-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/1040-2-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/1040-0-0x000000007526E000-0x000000007526F000-memory.dmp

Filesize
4KB

Download
memory/1040-1-0x00000000009C0000-0x0000000000AB6000-memory.dmp

Filesize
984KB

Download
memory/3444-14-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/3444-15-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/3444-19-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/3444-17-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/3444-18-0x0000000006FB0000-0x0000000007000000-memory.dmp

Filesize
320KB

Download
memory/3444-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

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