agenttesla | d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c

General

Target

d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe
Size

816KB
MD5

44c6c88229153fb866a7948cfd25f9d1
SHA1

acf1f41c2e12d842082181ea7ec42d5158d38403
SHA256

d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c
SHA512

65bdf66f6c6db5f9505aab451255e9c669bb6d6e5b58e3fd7514c7078c388f285953efa41540c7ea73526d94b5f1ccd77cdea78280dba4d48e5adc63f80870a1
SSDEEP

24576:2prDAUwtdgdFfhq/VV1xPR1N9NOhP1yTs:CnwcdFExP3NOh8w

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.medicalhome.com.pe
Port:
587
Username:
[email protected]
Password:
MHinfo01
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

regasm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GrOcCQC = "C:\\Users\\Admin\\AppData\\Roaming\\GrOcCQC\\GrOcCQC.exe"	regasm.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

26 ip-api.com

flow	ioc
26	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe

description	pid	process	target process
PID 1256 set thread context of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regasm.exe

pid process

4280 regasm.exe
4280 regasm.exe

pid	process
4280	regasm.exe
4280	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exeregasm.exe

description	pid	process
Token: SeDebugPrivilege	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe
Token: SeDebugPrivilege	4280	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe

description	pid	process	target process
PID 1256 wrote to memory of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4280	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4000	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4000	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe
PID 1256 wrote to memory of 4000	1256	d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe	regasm.exe

C:\Users\Admin\AppData\Local\Temp\d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe
"C:\Users\Admin\AppData\Local\Temp\d5d50b235ab55ea31684b88d27a02a23765217f3cd2da71cb9a8767ee9e4ed1c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256

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:4280

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
PID:4000

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

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1256-9-0x00007FF9045A0000-0x00007FF905061000-memory.dmp

Filesize
10.8MB

Download
memory/1256-1-0x00007FF9045A0000-0x00007FF905061000-memory.dmp

Filesize
10.8MB

Download
memory/1256-2-0x000001EC3E4F0000-0x000001EC3E5BA000-memory.dmp

Filesize
808KB

Download
memory/1256-3-0x000001EC3E5E0000-0x000001EC3E5F0000-memory.dmp

Filesize
64KB

Download
memory/1256-0-0x000001EC24080000-0x000001EC2408A000-memory.dmp

Filesize
40KB

Download
memory/4280-7-0x00000000052D0000-0x00000000052E0000-memory.dmp

Filesize
64KB

Download
memory/4280-5-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4280-8-0x0000000005350000-0x00000000053B6000-memory.dmp

Filesize
408KB

Download
memory/4280-6-0x0000000005890000-0x0000000005E34000-memory.dmp

Filesize
5.6MB

Download
memory/4280-4-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4280-12-0x0000000006790000-0x00000000067E0000-memory.dmp

Filesize
320KB

Download
memory/4280-13-0x0000000006880000-0x0000000006912000-memory.dmp

Filesize
584KB

Download
memory/4280-14-0x0000000006810000-0x000000000681A000-memory.dmp

Filesize
40KB

Download
memory/4280-15-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4280-16-0x00000000052D0000-0x00000000052E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads