agenttesla | 6a63819738385d60f583acfbcb69a59b90ea4b47924a60df0f4c52467bc7ffbc

General

Target

AO-202005_pdf.exe
Size

425KB
MD5

b4fa8f2e8f3d1d6f0f623320ffe2c3a4
SHA1

94eaad01c0a72e5667b07946046d17f9130484d9
SHA256

81534a23f49b6824f8330f9e4943dcfcc6b4acc6ff71b31d729aaa889ec72083
SHA512

102b19aa1dde858cd2fffe1b1645cc1331d227eb55db2ddc5f43584ea75fe356f94ff9f285d8721380a587edb026c462a79ea49ed7b875b63461d1b571305614

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.parshavayealborz.com
Port:
587
Username:
[email protected]
Password:
P@rshava123456

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/1208-136-0x0000000000400000-0x000000000044C000-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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

AO-202005_pdf.exe

description pid process target process

PID 3368 set thread context of 1208 3368 AO-202005_pdf.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3548 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1208 RegSvcs.exe
1208 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1208 RegSvcs.exe

description	pid	process	target process
PID 3368 set thread context of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe

pid	process
3548	REG.exe

pid	process
1208	RegSvcs.exe
1208	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1208	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

AO-202005_pdf.exeRegSvcs.exe

description	pid	process	target process
PID 3368 wrote to memory of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe
PID 3368 wrote to memory of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe
PID 3368 wrote to memory of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe
PID 3368 wrote to memory of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe
PID 3368 wrote to memory of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe
PID 3368 wrote to memory of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe
PID 3368 wrote to memory of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe
PID 3368 wrote to memory of 1208	3368	AO-202005_pdf.exe	RegSvcs.exe
PID 1208 wrote to memory of 3548	1208	RegSvcs.exe	REG.exe
PID 1208 wrote to memory of 3548	1208	RegSvcs.exe	REG.exe
PID 1208 wrote to memory of 3548	1208	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\AO-202005_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\AO-202005_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3368

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1208

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:3548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1208-135-0x0000000000000000-mapping.dmp

Download
memory/1208-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1208-137-0x0000000006020000-0x0000000006086000-memory.dmp

Filesize
408KB

Download
memory/1208-138-0x00000000067E0000-0x0000000006830000-memory.dmp

Filesize
320KB

Download
memory/3368-130-0x0000000000790000-0x0000000000800000-memory.dmp

Filesize
448KB

Download
memory/3368-131-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/3368-132-0x0000000005190000-0x0000000005222000-memory.dmp

Filesize
584KB

Download
memory/3368-133-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/3368-134-0x0000000008AA0000-0x0000000008B3C000-memory.dmp

Filesize
624KB

Download
memory/3548-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads