agenttesla | 780de7b808b5dba8e6ef57a82e264dcbbbdc2f63de3ef6683c8627bd177c5103

General

Target

72370ce75aaf466bc048e00a108ecb8126ffc80b.exe
Size

963KB
MD5

378d5f97d0e28d2ead7fed9dc4abb798
SHA1

72370ce75aaf466bc048e00a108ecb8126ffc80b
SHA256

780de7b808b5dba8e6ef57a82e264dcbbbdc2f63de3ef6683c8627bd177c5103
SHA512

0bceb95865026c1d9d8fe0df72760acbaf5c5729f11652cd9c8469076f07264545fe08519c45a2d020b99e5ddb2a43fff8a3e04e51bfb7bc0d055d79b415afa4

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.fllid.com
Port:
587
Username:
[email protected]
Password:
ImbangFll

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/804-130-0x0000000000400000-0x0000000000470000-memory.dmp	family_agenttesla
behavioral2/memory/804-131-0x00000000004379FE-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\HjYArO = "C:\\Users\\Admin\\AppData\\Roaming\\HjYArO\\HjYArO.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

72370ce75aaf466bc048e00a108ecb8126ffc80b.exe

description pid process target process

PID 4260 set thread context of 804 4260 72370ce75aaf466bc048e00a108ecb8126ffc80b.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

424 schtasks.exe

description	pid	process	target process
PID 4260 set thread context of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe

pid	process
424	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

72370ce75aaf466bc048e00a108ecb8126ffc80b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AFE5D244A8D1194230FF479FE2F897BBCD7A8CB4	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AFE5D244A8D1194230FF479FE2F897BBCD7A8CB4\Blob = 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	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

804 RegSvcs.exe
804 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

72370ce75aaf466bc048e00a108ecb8126ffc80b.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4260 72370ce75aaf466bc048e00a108ecb8126ffc80b.exe
Token: SeDebugPrivilege 804 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

72370ce75aaf466bc048e00a108ecb8126ffc80b.exe

pid process

4260 72370ce75aaf466bc048e00a108ecb8126ffc80b.exe
4260 72370ce75aaf466bc048e00a108ecb8126ffc80b.exe

pid	process
804	RegSvcs.exe
804	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe
Token: SeDebugPrivilege	804	RegSvcs.exe

pid	process
4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe
4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

72370ce75aaf466bc048e00a108ecb8126ffc80b.exe

description	pid	process	target process
PID 4260 wrote to memory of 424	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	schtasks.exe
PID 4260 wrote to memory of 424	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	schtasks.exe
PID 4260 wrote to memory of 424	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	schtasks.exe
PID 4260 wrote to memory of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe
PID 4260 wrote to memory of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe
PID 4260 wrote to memory of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe
PID 4260 wrote to memory of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe
PID 4260 wrote to memory of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe
PID 4260 wrote to memory of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe
PID 4260 wrote to memory of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe
PID 4260 wrote to memory of 804	4260	72370ce75aaf466bc048e00a108ecb8126ffc80b.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\72370ce75aaf466bc048e00a108ecb8126ffc80b.exe
"C:\Users\Admin\AppData\Local\Temp\72370ce75aaf466bc048e00a108ecb8126ffc80b.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4260

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fChjuz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EE5.tmp"
2⤵
- Creates scheduled task(s)
PID:424

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
- outlook_office_path
- outlook_win_path
PID:804

Network

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

Install Root Certificate

1

T1130

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\tmp5EE5.tmp
MD5
742b9f75fb3967ab9db5eb3dc546e16a

SHA1
77273167924366567ec0961e3fea3b2928f801b4

SHA256
c454c64c5fd73d4ac75ad9be6c92953de380ee5ce2683c52b8eb4fa72c0bd426

SHA512
9cd3d2f12f50c265b077970fd7faef09e5c7ce566f49ebddea6b29498110b3a086cff7d25d9ca3e9a7571fd9ca5d1b2a9fdb60af5ebc67256ba073674320e8cc

Download Submit
memory/424-128-0x0000000000000000-mapping.dmp

Download
memory/804-141-0x0000000005301000-0x0000000005302000-memory.dmp

Filesize
4KB

Download
memory/804-138-0x00000000060F0000-0x00000000060F1000-memory.dmp

Filesize
4KB

Download
memory/804-137-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/804-136-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/804-131-0x00000000004379FE-mapping.dmp

Download
memory/804-130-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/4260-121-0x0000000005020000-0x0000000005021000-memory.dmp

Filesize
4KB

Download
memory/4260-125-0x0000000008C60000-0x0000000008C6E000-memory.dmp

Filesize
56KB

Download
memory/4260-126-0x00000000096F0000-0x0000000009787000-memory.dmp

Filesize
604KB

Download
memory/4260-127-0x000000000BE50000-0x000000000BEBC000-memory.dmp

Filesize
432KB

Download
memory/4260-124-0x0000000004DB0000-0x00000000052AE000-memory.dmp

Filesize
5.0MB

Download
memory/4260-123-0x0000000004DB0000-0x00000000052AE000-memory.dmp

Filesize
5.0MB

Download
memory/4260-122-0x0000000004DB0000-0x00000000052AE000-memory.dmp

Filesize
5.0MB

Download
memory/4260-115-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/4260-120-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

Filesize
4KB

Download
memory/4260-119-0x0000000004E50000-0x0000000004E51000-memory.dmp

Filesize
4KB

Download
memory/4260-118-0x00000000052B0000-0x00000000052B1000-memory.dmp

Filesize
4KB

Download
memory/4260-117-0x0000000004D10000-0x0000000004D11000-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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Downloads