agenttesla | 76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2

General

Target

76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe
Size

998KB
MD5

be286f589e1136f3a3f2aabb8993364a
SHA1

8d04d049f5c9b4884a58891407e59913d2026d51
SHA256

76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2
SHA512

327258b697d0e47328189474b5604f0a18b032ed0e7221c95be1ec42242e97c3413f1b72411f693979c14c376cd487b6384daf8dc7253cd634b9791fae1cdb27
SSDEEP

6144:nYWWG7an/jCfHTliijLP5hmhIa5pMtEPagCAaa5S/0V1koebr4vvTgbNGOyg9DZG:e53UgCAiRZ/0hvAf8

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://80.92.205.47
Port:
21
Username:
delizzasuppl
Password:
99EK7bvTZr4zBnwW

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

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
23	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4324 set thread context of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87

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	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Caspol.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe
4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe
3056	Caspol.exe
3056	Caspol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe
Token: SeDebugPrivilege	3056	Caspol.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 3616	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	86
PID 4324 wrote to memory of 3616	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	86
PID 4324 wrote to memory of 3616	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	86
PID 4324 wrote to memory of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87
PID 4324 wrote to memory of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87
PID 4324 wrote to memory of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87
PID 4324 wrote to memory of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87
PID 4324 wrote to memory of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87
PID 4324 wrote to memory of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87
PID 4324 wrote to memory of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87
PID 4324 wrote to memory of 3056	4324	76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe	87

C:\Users\Admin\AppData\Local\Temp\76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe
"C:\Users\Admin\AppData\Local\Temp\76173bf591ee610b94ea7cffae0eeb2a4dbbf8f46d173e2b45840aefe84083c2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:3616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3056

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

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/3056-11-0x00000000064D0000-0x0000000006520000-memory.dmp

Filesize
320KB

Download
memory/3056-15-0x0000000006660000-0x000000000666A000-memory.dmp

Filesize
40KB

Download
memory/3056-14-0x0000000006700000-0x0000000006792000-memory.dmp

Filesize
584KB

Download
memory/3056-13-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3056-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3056-6-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3056-12-0x00000000065C0000-0x000000000665C000-memory.dmp

Filesize
624KB

Download
memory/3056-8-0x0000000005700000-0x0000000005CA4000-memory.dmp

Filesize
5.6MB

Download
memory/3056-9-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3056-10-0x00000000051C0000-0x0000000005226000-memory.dmp

Filesize
408KB

Download
memory/4324-3-0x00000000024D0000-0x00000000024DA000-memory.dmp

Filesize
40KB

Download
memory/4324-7-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4324-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/4324-2-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4324-1-0x0000000000120000-0x0000000000220000-memory.dmp

Filesize
1024KB

Download

Analysis

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