agenttesla | d495956d568db173718d8460e6bf516577e90be224451da6c02c88aa0a579655

General

Target

DOC pdf..exe
Size

918KB
MD5

340263e4f03dadf6093525e05933334d
SHA1

7c799fcf02eecb989f7a9b7389c42372aceaf6f2
SHA256

9df842f4e228e241a4ca99bdf11e32cdf4c9d549f581d0b25b27271106db76d0
SHA512

99c531bfcdbbe18b719921d2deefbe61afdc2220fa293dff83fdfb71bb823f2f30dba0b5e55331aae686a470aeec237faff4451ea16dcce4412ecc10eee7743b

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.daafco.com
Port:
587
Username:
[email protected]
Password:
Rawan!@#

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/1804-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1804-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1804-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1804-67-0x000000000044708E-mapping.dmp	family_agenttesla
behavioral1/memory/1804-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1804-71-0x0000000000400000-0x000000000044C000-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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\oPLNOE = "C:\\Users\\Admin\\AppData\\Roaming\\oPLNOE\\oPLNOE.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DOC pdf..exe

description pid process target process

PID 1460 set thread context of 1804 1460 DOC pdf..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

1660 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

840 REG.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DOC pdf..exeRegSvcs.exe

pid process

1460 DOC pdf..exe
1460 DOC pdf..exe
1460 DOC pdf..exe
1460 DOC pdf..exe
1460 DOC pdf..exe
1460 DOC pdf..exe
1804 RegSvcs.exe
1804 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DOC pdf..exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1460 DOC pdf..exe
Token: SeDebugPrivilege 1804 RegSvcs.exe

description	pid	process	target process
PID 1460 set thread context of 1804	1460	DOC pdf..exe	RegSvcs.exe

pid	process
1660	schtasks.exe

pid	process
840	REG.exe

pid	process
1460	DOC pdf..exe
1460	DOC pdf..exe
1460	DOC pdf..exe
1460	DOC pdf..exe
1460	DOC pdf..exe
1460	DOC pdf..exe
1804	RegSvcs.exe
1804	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1460	DOC pdf..exe
Token: SeDebugPrivilege	1804	RegSvcs.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

DOC pdf..exeRegSvcs.exe

description	pid	process	target process
PID 1460 wrote to memory of 1660	1460	DOC pdf..exe	schtasks.exe
PID 1460 wrote to memory of 1660	1460	DOC pdf..exe	schtasks.exe
PID 1460 wrote to memory of 1660	1460	DOC pdf..exe	schtasks.exe
PID 1460 wrote to memory of 1660	1460	DOC pdf..exe	schtasks.exe
PID 1460 wrote to memory of 1912	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1912	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1912	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1912	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1912	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1912	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1912	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1460 wrote to memory of 1804	1460	DOC pdf..exe	RegSvcs.exe
PID 1804 wrote to memory of 840	1804	RegSvcs.exe	REG.exe
PID 1804 wrote to memory of 840	1804	RegSvcs.exe	REG.exe
PID 1804 wrote to memory of 840	1804	RegSvcs.exe	REG.exe
PID 1804 wrote to memory of 840	1804	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DOC pdf..exe
"C:\Users\Admin\AppData\Local\Temp\DOC pdf..exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA42C.tmp"
2⤵
- Creates scheduled task(s)
PID:1660

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:1912

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:1804

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:840

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA42C.tmp
Filesize
1KB

MD5
dc436ff5b60ef8168376c73a193ed25c

SHA1
0943c8a1a0851b7b79d31fadb488cce2e0444638

SHA256
949ee6cece73e1304479fc963d79d2fd8e6410f451c1ce0ae6fd6e1b40b70705

SHA512
1f66711762ef86444a1e4edd5e3105b2ca5e83ec72bc6c2e04c7b5a9de1f50df3a6a85c75fc54003e4ebb0c9d8061455a6ef2e544726536592fb32dbf99736bd

Download Submit
memory/840-73-0x0000000000000000-mapping.dmp

Download
memory/1460-54-0x0000000001240000-0x000000000132C000-memory.dmp

Filesize
944KB

Download
memory/1460-55-0x0000000000300000-0x0000000000308000-memory.dmp

Filesize
32KB

Download
memory/1460-56-0x0000000000C30000-0x0000000000CA2000-memory.dmp

Filesize
456KB

Download
memory/1460-57-0x0000000000A80000-0x0000000000AD6000-memory.dmp

Filesize
344KB

Download
memory/1460-58-0x00000000769D1000-0x00000000769D3000-memory.dmp

Filesize
8KB

Download
memory/1660-59-0x0000000000000000-mapping.dmp

Download
memory/1804-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1804-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1804-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1804-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1804-67-0x000000000044708E-mapping.dmp

Download
memory/1804-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1804-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1804-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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