agenttesla | 9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5

General

Target

9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe
Size

2.4MB
MD5

038582cff59bd7c92aa1d71b8ac632c7
SHA1

ff4bfdc38ab995019c8685ea4bc63951e5f370ee
SHA256

9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5
SHA512

6e72be1e887a305ae4636b063b9438a0c0cfe667387a235960f57b0853973a23e426508aeef9adc6891e6536a1c3bf2c41b00961f6aad32e0eb2f2b7d2f82a33
SSDEEP

49152:dbdYAm4zEbdYAm4zXbdYAm4zKbdYAm4zFbdYAm4zB3An3AI3AJ3Aa:ddrWdrrdrAdr1drlA3AaAtAa

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
=A+N^@~c]~#I

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
13	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5080 set thread context of 5028	5080	9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe	83

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	9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5028	regasm.exe
5028	regasm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5080	9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5028	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5080	9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 5028	5080	9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe	83
PID 5080 wrote to memory of 5028	5080	9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe	83
PID 5080 wrote to memory of 5028	5080	9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe	83
PID 5080 wrote to memory of 5028	5080	9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe	83

C:\Users\Admin\AppData\Local\Temp\9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe
"C:\Users\Admin\AppData\Local\Temp\9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5028

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/5028-53-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5028-62-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Filesize
7.7MB

Download
memory/5028-61-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download
memory/5028-60-0x0000000006C10000-0x0000000006C1A000-memory.dmp

Filesize
40KB

Download
memory/5028-59-0x0000000006C80000-0x0000000006D12000-memory.dmp

Filesize
584KB

Download
memory/5028-58-0x0000000006B90000-0x0000000006BE0000-memory.dmp

Filesize
320KB

Download
memory/5028-56-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Filesize
7.7MB

Download
memory/5028-55-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/5028-54-0x0000000005E70000-0x0000000006414000-memory.dmp

Filesize
5.6MB

Download
memory/5028-47-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/5028-48-0x0000000001270000-0x0000000001271000-memory.dmp

Filesize
4KB

Download
memory/5028-52-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download
memory/5028-44-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/5080-8-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/5080-17-0x0000000016FA0000-0x0000000017211000-memory.dmp

Filesize
2.4MB

Download
memory/5080-49-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/5080-45-0x0000000016FA0000-0x0000000017211000-memory.dmp

Filesize
2.4MB

Download
memory/5080-51-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/5080-43-0x0000000016FA0000-0x0000000017211000-memory.dmp

Filesize
2.4MB

Download
memory/5080-39-0x0000000016FA0000-0x0000000017211000-memory.dmp

Filesize
2.4MB

Download
memory/5080-50-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/5080-2-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/5080-9-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/5080-57-0x0000000016FA0000-0x0000000017211000-memory.dmp

Filesize
2.4MB

Download
memory/5080-10-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/5080-11-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/5080-12-0x0000000016FA7000-0x0000000016FA8000-memory.dmp

Filesize
4KB

Download
memory/5080-13-0x0000000016FA0000-0x0000000017211000-memory.dmp

Filesize
2.4MB

Download
memory/5080-3-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download

Analysis

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