agenttesla | aac191cc316509f0ace5358a185e43a8d221c2f8374760ee8fdbbca632674bd2

General

Target

ACCOUNT FORM.exe
Size

1.7MB
MD5

bb06da848bdf0fb902bc05bfaa2deca3
SHA1

efd66a569fb1ea9cbba3c1160cb8a6975560e779
SHA256

123de48e610d4e6dacfb9722ccf5073154cd419537a7b60aa510d81e06e51404
SHA512

0f820c5e48eadc224cafc3d8d32df853b8041f69f378aa42d5c3f417e152f9af8807dfd0d57813cec75f54d9621edf11fc51c048bf32cbfcf634d93b5ca349a9

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ozkengumruk.com.tr
Port:
587
Username:
[email protected]
Password:
A!wak487

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3828-128-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3828-129-0x00000000004376CE-mapping.dmp	family_agenttesla

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

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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ACCOUNT FORM.exe

description pid process target process

PID 2068 set thread context of 3828 2068 ACCOUNT FORM.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
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

2720 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ACCOUNT FORM.exeRegSvcs.exe

pid process

2068 ACCOUNT FORM.exe
3828 RegSvcs.exe
3828 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ACCOUNT FORM.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2068 ACCOUNT FORM.exe
Token: SeDebugPrivilege 3828 RegSvcs.exe

description	pid	process	target process
PID 2068 set thread context of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe

pid	process
2720	schtasks.exe

pid	process
2068	ACCOUNT FORM.exe
3828	RegSvcs.exe
3828	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2068	ACCOUNT FORM.exe
Token: SeDebugPrivilege	3828	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

ACCOUNT FORM.exe

description	pid	process	target process
PID 2068 wrote to memory of 2720	2068	ACCOUNT FORM.exe	schtasks.exe
PID 2068 wrote to memory of 2720	2068	ACCOUNT FORM.exe	schtasks.exe
PID 2068 wrote to memory of 2720	2068	ACCOUNT FORM.exe	schtasks.exe
PID 2068 wrote to memory of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe
PID 2068 wrote to memory of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe
PID 2068 wrote to memory of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe
PID 2068 wrote to memory of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe
PID 2068 wrote to memory of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe
PID 2068 wrote to memory of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe
PID 2068 wrote to memory of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe
PID 2068 wrote to memory of 3828	2068	ACCOUNT FORM.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ACCOUNT FORM.exe
"C:\Users\Admin\AppData\Local\Temp\ACCOUNT FORM.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2068

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qykCLxbojSJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp135A.tmp"
2⤵
- Creates scheduled task(s)
PID:2720

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
PID:3828

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp135A.tmp
MD5
7b604623bb7e832481d5965bbe50df35

SHA1
8f556607f23d4e15544ab0acde254e3bc019d835

SHA256
62a8955aad224db269b547b4bc4efc5698cbe3bfc48f42eb98677b2dc7c1c675

SHA512
6d361dca9c2ed7f57cab0c079b1a96f5511341c39b342757ea90b03eabf6c0c571c31be5f61349a2d723e9dde9817b72520eda4477e2c21c90b963a493bb46ee

Download Submit
memory/2068-124-0x0000000008EA0000-0x0000000008F1B000-memory.dmp

Filesize
492KB

Download
memory/2068-121-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/2068-125-0x0000000008F20000-0x0000000008F58000-memory.dmp

Filesize
224KB

Download
memory/2068-120-0x00000000052F0000-0x00000000057EE000-memory.dmp

Filesize
5.0MB

Download
memory/2068-115-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/2068-122-0x00000000054F0000-0x00000000054F1000-memory.dmp

Filesize
4KB

Download
memory/2068-123-0x0000000002AF0000-0x0000000002AFE000-memory.dmp

Filesize
56KB

Download
memory/2068-117-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/2068-119-0x0000000005390000-0x0000000005391000-memory.dmp

Filesize
4KB

Download
memory/2068-118-0x00000000057F0000-0x00000000057F1000-memory.dmp

Filesize
4KB

Download
memory/2720-126-0x0000000000000000-mapping.dmp

Download
memory/3828-128-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3828-129-0x00000000004376CE-mapping.dmp

Download
memory/3828-134-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/3828-135-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/3828-136-0x0000000006330000-0x0000000006331000-memory.dmp

Filesize
4KB

Download
memory/3828-139-0x0000000005691000-0x0000000005692000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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