agenttesla | 9eea541ed0c69e64ac52d8ac29333c4878a91328179cf03c3979530009993dd2

General

Target

po.exe
Size

450KB
MD5

210f27a2075e3f821cfb160cbfb851d4
SHA1

199bd194efdb4850c6f9b82f0ae250c8f0e6cc9e
SHA256

7850417d2c934eda23e7c968df7b7ef4d76c85328092b10826c3a8652388dba7
SHA512

dc62ab5e3bf8374af409c5caa95dc094cb3b0d487d91423ebebfbe3cca7293ff3166ad67c6805afe686367f2bb8dd05c28ae67349b032ce6aee7610e04aed06c

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dianaglobalmandiri.com
Port:
587
Username:
[email protected]
Password:
Batam2019

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/1172-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1172-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1172-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1172-64-0x0000000000447B9E-mapping.dmp	family_agenttesla
behavioral1/memory/1172-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1172-68-0x0000000000400000-0x000000000044C000-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\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 1492 set thread context of 1172 1492 po.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

992 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1172 RegSvcs.exe
1172 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1172 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

1172 RegSvcs.exe

description	pid	process	target process
PID 1492 set thread context of 1172	1492	po.exe	RegSvcs.exe

pid	process
992	REG.exe

pid	process
1172	RegSvcs.exe
1172	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1172	RegSvcs.exe

pid	process
1172	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

po.exeRegSvcs.exe

description	pid	process	target process
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1492 wrote to memory of 1172	1492	po.exe	RegSvcs.exe
PID 1172 wrote to memory of 992	1172	RegSvcs.exe	REG.exe
PID 1172 wrote to memory of 992	1172	RegSvcs.exe	REG.exe
PID 1172 wrote to memory of 992	1172	RegSvcs.exe	REG.exe
PID 1172 wrote to memory of 992	1172	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\po.exe
"C:\Users\Admin\AppData\Local\Temp\po.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1492

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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1172

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:992

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/992-70-0x0000000000000000-mapping.dmp

Download
memory/1172-64-0x0000000000447B9E-mapping.dmp

Download
memory/1172-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1172-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1172-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1172-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1172-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1172-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1172-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1492-56-0x0000000000340000-0x0000000000348000-memory.dmp

Filesize
32KB

Download
memory/1492-57-0x0000000000AC0000-0x0000000000B14000-memory.dmp

Filesize
336KB

Download
memory/1492-54-0x0000000000350000-0x00000000003C6000-memory.dmp

Filesize
472KB

Download
memory/1492-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads