agenttesla | 75cb10d4488991b1fca04af7d5d6d10173e8646a7d6d89a038adaf8fe7b73651

General

Target

Avmho.exe
Size

1.3MB
MD5

224ade48c0ca3902d88e88acac8df8d5
SHA1

3301e1569d66820328491894f22f33f5fd4a758b
SHA256

c86ba5158575f5c95f92fcbe6dfe1963732e800c84bc682fc4e2b989baa6e3ec
SHA512

39c928cc60a50cfb3fb76fa2efdc8748d852ee144ca45ae2df2ce885953c8c64cc67f0b37ab34f056f49109088e7a5011020084d9a0449e3eccacf528e9ca81f
SSDEEP

24576:eQcqBh7Vl52MWRggFhJrVBqmzD2WzzhsLe3gJQJ:yUJ52MKVVlzD2WzzhsLXq

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.asiaparadisehotel.com
Port:
587
Username:
[email protected]
Password:
^b2ycDldex$@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 2 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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wshdtclkewd = "C:\\Users\\Admin\\AppData\\Roaming\\Wshdtclkewd.exe"	Avmho.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TlKsFB = "C:\\Users\\Admin\\AppData\\Roaming\\TlKsFB\\TlKsFB.exe"	RegAsm.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
40	api.ipify.org
41	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 2228	2660	Avmho.exe	93

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2660	Avmho.exe
2660	Avmho.exe
2660	Avmho.exe
2660	Avmho.exe
2660	Avmho.exe
2228	RegAsm.exe
2228	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	Avmho.exe
Token: SeDebugPrivilege	2228	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2232	2660	Avmho.exe	91
PID 2660 wrote to memory of 2232	2660	Avmho.exe	91
PID 2660 wrote to memory of 2232	2660	Avmho.exe	91
PID 2660 wrote to memory of 2964	2660	Avmho.exe	92
PID 2660 wrote to memory of 2964	2660	Avmho.exe	92
PID 2660 wrote to memory of 2964	2660	Avmho.exe	92
PID 2660 wrote to memory of 2228	2660	Avmho.exe	93
PID 2660 wrote to memory of 2228	2660	Avmho.exe	93
PID 2660 wrote to memory of 2228	2660	Avmho.exe	93
PID 2660 wrote to memory of 2228	2660	Avmho.exe	93
PID 2660 wrote to memory of 2228	2660	Avmho.exe	93
PID 2660 wrote to memory of 2228	2660	Avmho.exe	93
PID 2660 wrote to memory of 2228	2660	Avmho.exe	93
PID 2660 wrote to memory of 2228	2660	Avmho.exe	93

C:\Users\Admin\AppData\Local\Temp\Avmho.exe
"C:\Users\Admin\AppData\Local\Temp\Avmho.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  PID:2232
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  PID:2964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2228-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-21-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/2228-20-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/2228-19-0x0000000006520000-0x000000000652A000-memory.dmp

Filesize
40KB

Download
memory/2228-18-0x0000000006580000-0x0000000006612000-memory.dmp

Filesize
584KB

Download
memory/2228-17-0x0000000006490000-0x00000000064E0000-memory.dmp

Filesize
320KB

Download
memory/2228-14-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/2228-15-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/2228-13-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/2660-4-0x0000000005DB0000-0x0000000005E08000-memory.dmp

Filesize
352KB

Download
memory/2660-12-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/2660-8-0x0000000007180000-0x0000000007724000-memory.dmp

Filesize
5.6MB

Download
memory/2660-7-0x0000000006B40000-0x0000000006B8C000-memory.dmp

Filesize
304KB

Download
memory/2660-6-0x0000000006B00000-0x0000000006B40000-memory.dmp

Filesize
256KB

Download
memory/2660-5-0x00000000069A0000-0x00000000069E0000-memory.dmp

Filesize
256KB

Download
memory/2660-0-0x0000000000930000-0x0000000000A7A000-memory.dmp

Filesize
1.3MB

Download
memory/2660-3-0x0000000001190000-0x000000000119A000-memory.dmp

Filesize
40KB

Download
memory/2660-2-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/2660-1-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads