agenttesla | 04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8

General

Target

04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe
Size

2.2MB
MD5

5c56f7b36c3eb8ef883c56b817deb84a
SHA1

4cd5ac8d38c6a404060f8256bbeb3c47f4c6bf9f
SHA256

04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8
SHA512

62977535ce741a7be1d9c3e1e4cced8774592081eb6819c869aa982ae69fb4bf6a78bdbabaab8f7d81e82c0bb10ad4f55e4082194d95bf910c5788bf62378844
SSDEEP

49152:Y3ASbdYAm4zEbdYAm4zWbdYAm4z23Ag3AWbdYAm4zSbdYAm4zO3AgS+t:qA4drWdr0drkASA0dr4dr8AX

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.lampadari.gr
Port:
21
Username:
[email protected]
Password:
P8P[uVeJU=vh

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
11	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3232 set thread context of 3684	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	84

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	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3684	regasm.exe
3684	regasm.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe
3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe
3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3684	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 4744	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	82
PID 3232 wrote to memory of 4744	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	82
PID 3232 wrote to memory of 4744	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	82
PID 3232 wrote to memory of 4744	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	82
PID 3232 wrote to memory of 2156	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	83
PID 3232 wrote to memory of 2156	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	83
PID 3232 wrote to memory of 2156	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	83
PID 3232 wrote to memory of 2156	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	83
PID 3232 wrote to memory of 3684	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	84
PID 3232 wrote to memory of 3684	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	84
PID 3232 wrote to memory of 3684	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	84
PID 3232 wrote to memory of 3684	3232	04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe	84

C:\Users\Admin\AppData\Local\Temp\04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe
"C:\Users\Admin\AppData\Local\Temp\04bdc8b7b3fef8114c7be89c4eb90769e91dc50c8af12d518f724f15519d71a8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:4744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:2156
- 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:3684

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/3232-2-0x00000000777C2000-0x00000000777C3000-memory.dmp

Filesize
4KB

Download
memory/3232-3-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/3232-13-0x0000000025E40000-0x000000002606F000-memory.dmp

Filesize
2.2MB

Download
memory/3232-12-0x0000000025E4E000-0x0000000025E4F000-memory.dmp

Filesize
4KB

Download
memory/3232-11-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/3232-10-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/3232-9-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/3232-8-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/3232-17-0x0000000025E40000-0x000000002606F000-memory.dmp

Filesize
2.2MB

Download
memory/3232-39-0x0000000025E40000-0x000000002606F000-memory.dmp

Filesize
2.2MB

Download
memory/3232-41-0x0000000025E40000-0x000000002606F000-memory.dmp

Filesize
2.2MB

Download
memory/3684-40-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3684-45-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/3684-44-0x0000000001270000-0x0000000001271000-memory.dmp

Filesize
4KB

Download
memory/3684-43-0x00000000777C2000-0x00000000777C3000-memory.dmp

Filesize
4KB

Download
memory/3684-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3684-47-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/3684-48-0x0000000005990000-0x00000000059F6000-memory.dmp

Filesize
408KB

Download
memory/3684-49-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/3684-50-0x0000000006B20000-0x0000000006B70000-memory.dmp

Filesize
320KB

Download
memory/3684-51-0x0000000006C10000-0x0000000006CA2000-memory.dmp

Filesize
584KB

Download
memory/3684-52-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

Filesize
40KB

Download
memory/3684-53-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/3684-54-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download

Analysis

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