agenttesla | 780de7b808b5dba8e6ef57a82e264dcbbbdc2f63de3ef6683c8627bd177c5103

General

Target

PDA.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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1068-67-0x0000000000400000-0x0000000000470000-memory.dmp	family_agenttesla
behavioral1/memory/1068-70-0x00000000004379FE-mapping.dmp	family_agenttesla
behavioral1/memory/1068-68-0x0000000000400000-0x0000000000470000-memory.dmp	family_agenttesla
behavioral1/memory/1068-69-0x0000000000400000-0x0000000000470000-memory.dmp	family_agenttesla
behavioral1/memory/1068-71-0x0000000000400000-0x0000000000470000-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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\HjYArO = "C:\\Users\\Admin\\AppData\\Roaming\\HjYArO\\HjYArO.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PDA.exe

description pid process target process

PID 524 set thread context of 1068 524 PDA.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

1596 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PDA.exeRegSvcs.exe

pid process

524 PDA.exe
1068 RegSvcs.exe
1068 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PDA.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 524 PDA.exe
Token: SeDebugPrivilege 1068 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

PDA.exe

pid process

524 PDA.exe
524 PDA.exe

description	pid	process	target process
PID 524 set thread context of 1068	524	PDA.exe	RegSvcs.exe

pid	process
1596	schtasks.exe

pid	process
524	PDA.exe
1068	RegSvcs.exe
1068	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	524	PDA.exe
Token: SeDebugPrivilege	1068	RegSvcs.exe

pid	process
524	PDA.exe
524	PDA.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

PDA.exe

description	pid	process	target process
PID 524 wrote to memory of 1596	524	PDA.exe	schtasks.exe
PID 524 wrote to memory of 1596	524	PDA.exe	schtasks.exe
PID 524 wrote to memory of 1596	524	PDA.exe	schtasks.exe
PID 524 wrote to memory of 1596	524	PDA.exe	schtasks.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe
PID 524 wrote to memory of 1068	524	PDA.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PDA.exe
"C:\Users\Admin\AppData\Local\Temp\PDA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:524
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fChjuz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF2BD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1596
- 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:1068

Network

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

1

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\tmpF2BD.tmp

MD5
6b7017b52e5308bc5b57b2d477866cdb

SHA1
cdc33403e552935c42e6cef825f439d8cc8174f2

SHA256
aaab9fcd51be22ff4bf7ca996e52884fa22e873704e51b02c1da8b47be0ebb3f

SHA512
342e3884107ac5243211cd8a2e1e8771fa0c0756872e13127b7bb00483fced87c9f4b3236907f02c5a6257b9b98a21bd511a2a425df52a4807975d4f997ee762

Download Submit
memory/524-56-0x0000000075C11000-0x0000000075C13000-memory.dmp

Filesize
8KB

Download
memory/524-57-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

Filesize
4KB

Download
memory/524-59-0x0000000004FE2000-0x0000000004FE3000-memory.dmp

Filesize
4KB

Download
memory/524-58-0x0000000004FE1000-0x0000000004FE2000-memory.dmp

Filesize
4KB

Download
memory/524-60-0x00000000004C0000-0x00000000004CE000-memory.dmp

Filesize
56KB

Download
memory/524-61-0x0000000008760000-0x00000000087F7000-memory.dmp

Filesize
604KB

Download
memory/524-62-0x0000000008A80000-0x0000000008AEC000-memory.dmp

Filesize
432KB

Download
memory/524-54-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

Filesize
4KB

Download
memory/1068-66-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1068-65-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1068-67-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1068-70-0x00000000004379FE-mapping.dmp

Download
memory/1068-68-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1068-69-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1068-71-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1068-73-0x0000000004940000-0x0000000004941000-memory.dmp

Filesize
4KB

Download
memory/1068-74-0x0000000004941000-0x0000000004942000-memory.dmp

Filesize
4KB

Download
memory/1596-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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