agenttesla | f0df2d320e47c58700f32f3df8aaa7ee95b56078a22818fe692c6c4708578a5d

General

Target

PNQNR00000118PNQNR00000118.exe
Size

449KB
MD5

7473e4decb7e2c2ff61e6547d372e906
SHA1

b6d7cf27a8cff8c1ffb7ce4342a5f0bf14ff7798
SHA256

1601d407d21641b07f554e7e63353cce4c2fb281ab6308bbbee53cdd817012e0
SHA512

4ca3191a1be1eaf4190ffe879c43680b3046812f26d3158d4621b12bb0be093d251e641bf418bf17c492ce7725ec28b5dc3a15ad998a5b96e93cbe516d152969

Score

10^/10

agenttesla evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.microtechlab.in
Port:
587
Username:
[email protected]
Password:
pune@123

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3284-139-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

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

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PNQNR00000118PNQNR00000118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	PNQNR00000118PNQNR00000118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PNQNR00000118PNQNR00000118.exe

description pid process target process

PID 3600 set thread context of 3284 3600 PNQNR00000118PNQNR00000118.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

116 3284 WerFault.exe RegSvcs.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1872 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

4288 REG.exe

description	pid	process	target process
PID 3600 set thread context of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe

pid	pid_target	process	target process
116	3284	WerFault.exe	RegSvcs.exe

pid	process
1872	schtasks.exe

pid	process
4288	REG.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

PNQNR00000118PNQNR00000118.exeRegSvcs.exe

pid	process
3600	PNQNR00000118PNQNR00000118.exe
3600	PNQNR00000118PNQNR00000118.exe
3600	PNQNR00000118PNQNR00000118.exe
3600	PNQNR00000118PNQNR00000118.exe
3600	PNQNR00000118PNQNR00000118.exe
3284	RegSvcs.exe
3284	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PNQNR00000118PNQNR00000118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3600 PNQNR00000118PNQNR00000118.exe
Token: SeDebugPrivilege 3284 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3600	PNQNR00000118PNQNR00000118.exe
Token: SeDebugPrivilege	3284	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

PNQNR00000118PNQNR00000118.exeRegSvcs.exe

description	pid	process	target process
PID 3600 wrote to memory of 1872	3600	PNQNR00000118PNQNR00000118.exe	schtasks.exe
PID 3600 wrote to memory of 1872	3600	PNQNR00000118PNQNR00000118.exe	schtasks.exe
PID 3600 wrote to memory of 1872	3600	PNQNR00000118PNQNR00000118.exe	schtasks.exe
PID 3600 wrote to memory of 3776	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3776	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3776	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 612	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 612	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 612	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3600 wrote to memory of 3284	3600	PNQNR00000118PNQNR00000118.exe	RegSvcs.exe
PID 3284 wrote to memory of 4288	3284	RegSvcs.exe	REG.exe
PID 3284 wrote to memory of 4288	3284	RegSvcs.exe	REG.exe
PID 3284 wrote to memory of 4288	3284	RegSvcs.exe	REG.exe
PID 3284 wrote to memory of 4908	3284	RegSvcs.exe	netsh.exe
PID 3284 wrote to memory of 4908	3284	RegSvcs.exe	netsh.exe
PID 3284 wrote to memory of 4908	3284	RegSvcs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\PNQNR00000118PNQNR00000118.exe
"C:\Users\Admin\AppData\Local\Temp\PNQNR00000118PNQNR00000118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xrDKjJXa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7BD7.tmp"
2⤵
- Creates scheduled task(s)
PID:1872

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:3776

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:612

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3284

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:4288

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 1540
3⤵
- Program crash
PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3284 -ip 3284
1⤵
PID:1628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7BD7.tmp

Filesize
1KB

MD5
0e617f3e2a4edcb4bf633cb1c5578b62

SHA1
7f55034412e1b660185ce0d75c2c84d238885664

SHA256
bb0983466c5ffccce3615bf9c63b2c1391bd4d7c859c857fd36752692aa9799e

SHA512
7969eadc65e74157c3ec7c9828fca6403fe8aa70605db30eb259a379937c3dc7bc710f024a5ea363ee49791b131b29cb397cf64950dfbede3434048961f5e2b3

Download Submit
memory/612-137-0x0000000000000000-mapping.dmp

Download
memory/1872-134-0x0000000000000000-mapping.dmp

Download
memory/3284-142-0x0000000006520000-0x0000000006570000-memory.dmp

Filesize
320KB

Download
memory/3284-140-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/3284-139-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3284-138-0x0000000000000000-mapping.dmp

Download
memory/3600-133-0x0000000006250000-0x00000000067F4000-memory.dmp

Filesize
5.6MB

Download
memory/3600-130-0x0000000000A50000-0x0000000000AC6000-memory.dmp

Filesize
472KB

Download
memory/3600-132-0x0000000005430000-0x00000000054C2000-memory.dmp

Filesize
584KB

Download
memory/3600-131-0x00000000052F0000-0x000000000538C000-memory.dmp

Filesize
624KB

Download
memory/3776-136-0x0000000000000000-mapping.dmp

Download
memory/4288-141-0x0000000000000000-mapping.dmp

Download
memory/4908-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads