agenttesla | a59082f4ba00e99d337541e27c3625e9f1d4a7d3174bbd9f46f4ef0ef143c316

General

Target

PO.exe
Size

474KB
MD5

bbcf7d3c452a1f979cebfdbb7ef6220a
SHA1

35cdbbcc31606bc42702fda23292afb3a6f4be23
SHA256

b8214924a598b9fd3193099fecd6c3d09f06dc5e3a9af098642c7d5327c05cd3
SHA512

2fb4bd3808ba1681363c56b5e47013f6c8938ee07e3cb6e2d7fab2a89a4f6aacdf4b6adb889c3554b96e4a03e69ed7f6b9d5ae0c74a05021c8e92b60f98bbb3c

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/2276-139-0x0000000000400000-0x0000000000452000-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
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:

PO.exe

description ioc process

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

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

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

PO.exe

description pid process target process

PID 2288 set thread context of 2276 2288 PO.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

2740 2276 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

2576 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3392 REG.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PO.exeRegSvcs.exe

pid process

2288 PO.exe
2288 PO.exe
2288 PO.exe
2276 RegSvcs.exe
2276 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2288 PO.exe
Token: SeDebugPrivilege 2276 RegSvcs.exe

description	pid	process	target process
PID 2288 set thread context of 2276	2288	PO.exe	RegSvcs.exe

pid	pid_target	process	target process
2740	2276	WerFault.exe	RegSvcs.exe

pid	process
2576	schtasks.exe

pid	process
3392	REG.exe

pid	process
2288	PO.exe
2288	PO.exe
2288	PO.exe
2276	RegSvcs.exe
2276	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2288	PO.exe
Token: SeDebugPrivilege	2276	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

PO.exeRegSvcs.exe

description	pid	process	target process
PID 2288 wrote to memory of 2576	2288	PO.exe	schtasks.exe
PID 2288 wrote to memory of 2576	2288	PO.exe	schtasks.exe
PID 2288 wrote to memory of 2576	2288	PO.exe	schtasks.exe
PID 2288 wrote to memory of 2268	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2268	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2268	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2276	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2276	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2276	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2276	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2276	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2276	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2276	2288	PO.exe	RegSvcs.exe
PID 2288 wrote to memory of 2276	2288	PO.exe	RegSvcs.exe
PID 2276 wrote to memory of 3392	2276	RegSvcs.exe	REG.exe
PID 2276 wrote to memory of 3392	2276	RegSvcs.exe	REG.exe
PID 2276 wrote to memory of 3392	2276	RegSvcs.exe	REG.exe
PID 2276 wrote to memory of 4512	2276	RegSvcs.exe	netsh.exe
PID 2276 wrote to memory of 4512	2276	RegSvcs.exe	netsh.exe
PID 2276 wrote to memory of 4512	2276	RegSvcs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LKptDWYQbOOY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E8F.tmp"
2⤵
- Creates scheduled task(s)
PID:2576

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:2268

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:2276

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:3392

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 1552
3⤵
- Program crash
PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2276 -ip 2276
1⤵
PID:2236

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3E8F.tmp
Filesize
1KB

MD5
203220b4431a3e4d760cc2c151e22a60

SHA1
99114a2f9f04c821aaff58b2f5c57c52df93b7c0

SHA256
c5121596860b0ddbe794ffb91bf593be07900f99984af56b23aeac7704f65f50

SHA512
295d7f8a378f91801f309d4c2a12c73a82726776e9c8ca91a377322b78c18f428372f173fa27781b36b70ae3a94e0073626d83ac0072000618cb2a30273cc386

Download Submit
memory/2268-137-0x0000000000000000-mapping.dmp

Download
memory/2276-139-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2276-138-0x0000000000000000-mapping.dmp

Download
memory/2276-140-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/2276-142-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/2288-133-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/2288-134-0x0000000008A20000-0x0000000008ABC000-memory.dmp

Filesize
624KB

Download
memory/2288-132-0x0000000004F50000-0x0000000004FE2000-memory.dmp

Filesize
584KB

Download
memory/2288-131-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/2288-130-0x0000000000510000-0x000000000058C000-memory.dmp

Filesize
496KB

Download
memory/2576-135-0x0000000000000000-mapping.dmp

Download
memory/3392-141-0x0000000000000000-mapping.dmp

Download
memory/4512-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads