agenttesla | d4ab6b4bc8e1563bf87af5492fb1b18939a575fe0d02a552a53a28865aa3f0a9

General

Target

SOA JUL..exe
Size

813KB
MD5

51cd9a94ff9c50f18ea55c3d4e844a41
SHA1

72d72eb8f18177235bee686425ebfbb7b9fef308
SHA256

7f09e1a23ce7b3b143221cd5f8be274e0b75380e6b3dd8e32d947c6f3b493104
SHA512

6ea62e5c90899a0fb0eeb96dcab1566fefdd5bf4af61b48bb4c771202dfdd012a475eda85ea8ff132f9e60d5225207ff90dcfebd3015a983f5de52d559cf967f

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.varda.com.tr
Port:
587
Username:
[email protected]
Password:
varda9997929

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2016-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/2016-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/2016-66-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/2016-67-0x000000000045477E-mapping.dmp	family_agenttesla
behavioral1/memory/2016-69-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/2016-71-0x0000000000400000-0x000000000045A000-memory.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\sRfDVrD = "C:\\Users\\Admin\\AppData\\Roaming\\sRfDVrD\\sRfDVrD.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA JUL..exe

description pid process target process

PID 888 set thread context of 2016 888 SOA JUL..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

1364 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1600 REG.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

SOA JUL..exeRegSvcs.exe

pid process

888 SOA JUL..exe
888 SOA JUL..exe
888 SOA JUL..exe
888 SOA JUL..exe
888 SOA JUL..exe
2016 RegSvcs.exe
2016 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA JUL..exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 888 SOA JUL..exe
Token: SeDebugPrivilege 2016 RegSvcs.exe

description	pid	process	target process
PID 888 set thread context of 2016	888	SOA JUL..exe	RegSvcs.exe

pid	process
1364	schtasks.exe

pid	process
1600	REG.exe

pid	process
888	SOA JUL..exe
888	SOA JUL..exe
888	SOA JUL..exe
888	SOA JUL..exe
888	SOA JUL..exe
2016	RegSvcs.exe
2016	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	888	SOA JUL..exe
Token: SeDebugPrivilege	2016	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SOA JUL..exeRegSvcs.exe

description	pid	process	target process
PID 888 wrote to memory of 1364	888	SOA JUL..exe	schtasks.exe
PID 888 wrote to memory of 1364	888	SOA JUL..exe	schtasks.exe
PID 888 wrote to memory of 1364	888	SOA JUL..exe	schtasks.exe
PID 888 wrote to memory of 1364	888	SOA JUL..exe	schtasks.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 888 wrote to memory of 2016	888	SOA JUL..exe	RegSvcs.exe
PID 2016 wrote to memory of 1600	2016	RegSvcs.exe	REG.exe
PID 2016 wrote to memory of 1600	2016	RegSvcs.exe	REG.exe
PID 2016 wrote to memory of 1600	2016	RegSvcs.exe	REG.exe
PID 2016 wrote to memory of 1600	2016	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SOA JUL..exe
"C:\Users\Admin\AppData\Local\Temp\SOA JUL..exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:888

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ATmGFbeqEs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22ED.tmp"
2⤵
- Creates scheduled task(s)
PID:1364

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2016

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:1600

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp22ED.tmp
Filesize
1KB

MD5
c093752e022ce2583582c31d27efd2dc

SHA1
bc8c334600f1c1670c4c219bdf7c073f73cee98e

SHA256
0bb11ac01580519d8dfe8ed13d9562d569dc0d990a4d0f10457b6a0cafb4240a

SHA512
26f0ceca9f192f971d43ee61a99d31fbfea6f1804142565f9ece939a4f667749520217f8de27986b3c1d2cfccb8bf5ce62eeaa18c64508fde073c4cd1205f6a1

Download Submit
memory/888-54-0x00000000009E0000-0x0000000000AB0000-memory.dmp

Filesize
832KB

Download
memory/888-55-0x0000000075D21000-0x0000000075D23000-memory.dmp

Filesize
8KB

Download
memory/888-56-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/888-57-0x00000000049B0000-0x0000000004A1E000-memory.dmp

Filesize
440KB

Download
memory/888-58-0x0000000000450000-0x00000000004A8000-memory.dmp

Filesize
352KB

Download
memory/1364-59-0x0000000000000000-mapping.dmp

Download
memory/1600-73-0x0000000000000000-mapping.dmp

Download
memory/2016-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2016-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2016-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2016-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2016-67-0x000000000045477E-mapping.dmp

Download
memory/2016-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2016-71-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2016-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads