agenttesla | 4d32cde8b04dae775b23225a0a79b1165b778caac83033b3ed1a6b1e564e85cb

General

Target

RxAg5d0XQf9QdOX.exe
Size

502KB
MD5

c22accdb6ab455ea2856e6305b73f79e
SHA1

7f42fb340e1dcceb111437c91df7035abf19467b
SHA256

4d32cde8b04dae775b23225a0a79b1165b778caac83033b3ed1a6b1e564e85cb
SHA512

1e1097ce6411f89cbabfcac82288e501aeecfe7cf69b961db7e7dd20abf6391980d169b850b1a7e724d93f9bf21e499b4fadab769af9051378398f909143c2dc

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.priserveinfra.com
Port:
587
Username:
operations@priserveinfra.com
Password:
oppipl121019

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/772-59-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/772-60-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/772-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

MSBuild.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts MSBuild.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MSBuild.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RxAg5d0XQf9QdOX.exe

description pid process target process

PID 1316 set thread context of 772 1316 RxAg5d0XQf9QdOX.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RxAg5d0XQf9QdOX.exeMSBuild.exe

pid process

1316 RxAg5d0XQf9QdOX.exe
1316 RxAg5d0XQf9QdOX.exe
772 MSBuild.exe
772 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RxAg5d0XQf9QdOX.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1316 RxAg5d0XQf9QdOX.exe
Token: SeDebugPrivilege 772 MSBuild.exe

description	pid	process	target process
PID 1316 set thread context of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe

pid	process
1316	RxAg5d0XQf9QdOX.exe
1316	RxAg5d0XQf9QdOX.exe
772	MSBuild.exe
772	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1316	RxAg5d0XQf9QdOX.exe
Token: SeDebugPrivilege	772	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

RxAg5d0XQf9QdOX.exe

description	pid	process	target process
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe
PID 1316 wrote to memory of 772	1316	RxAg5d0XQf9QdOX.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\RxAg5d0XQf9QdOX.exe
"C:\Users\Admin\AppData\Local\Temp\RxAg5d0XQf9QdOX.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:772

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/772-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/772-60-0x000000000043763E-mapping.dmp

Download
memory/772-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/772-63-0x0000000001040000-0x0000000001041000-memory.dmp

Filesize
4KB

Download
memory/772-64-0x0000000001041000-0x0000000001042000-memory.dmp

Filesize
4KB

Download
memory/1316-53-0x00000000012E0000-0x00000000012E1000-memory.dmp

Filesize
4KB

Download
memory/1316-55-0x00000000011F0000-0x00000000011F1000-memory.dmp

Filesize
4KB

Download
memory/1316-56-0x00000000004E0000-0x00000000004E7000-memory.dmp

Filesize
28KB

Download
memory/1316-57-0x0000000004DB0000-0x0000000004E0C000-memory.dmp

Filesize
368KB

Download
memory/1316-58-0x0000000004990000-0x00000000049C8000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads