agenttesla | 818ae91a4cafe79347b2e1b5b436ed118e53483a6a51f3fbb055d752ec00cf2c

General

Target

PecpzdhhxVzEzfz.exe
Size

396KB
MD5

5506f5f983abe9d8d839c3635993869d
SHA1

c9646d81d0601d23c6b434175f5fd1f636b6d726
SHA256

818ae91a4cafe79347b2e1b5b436ed118e53483a6a51f3fbb055d752ec00cf2c
SHA512

907f30758a00ad963badf47d3bdcdc567c6013ed377a626607118e08a3b414728348f6a2538a5b0ca6bc99ef2526ea92f3a23a56cd1fe7caf50bec1062c19a0c

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.priserveinfra.com
Port:
587
Username:
[email protected]
Password:
oppipl121019

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/420-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/420-127-0x000000000043762E-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\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
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PecpzdhhxVzEzfz.exe

description pid process target process

PID 3608 set thread context of 420 3608 PecpzdhhxVzEzfz.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PecpzdhhxVzEzfz.exeRegSvcs.exe

pid process

3608 PecpzdhhxVzEzfz.exe
3608 PecpzdhhxVzEzfz.exe
420 RegSvcs.exe
420 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PecpzdhhxVzEzfz.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3608 PecpzdhhxVzEzfz.exe
Token: SeDebugPrivilege 420 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

PecpzdhhxVzEzfz.exe

pid process

3608 PecpzdhhxVzEzfz.exe
3608 PecpzdhhxVzEzfz.exe

description	pid	process	target process
PID 3608 set thread context of 420	3608	PecpzdhhxVzEzfz.exe	RegSvcs.exe

pid	process
3608	PecpzdhhxVzEzfz.exe
3608	PecpzdhhxVzEzfz.exe
420	RegSvcs.exe
420	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3608	PecpzdhhxVzEzfz.exe
Token: SeDebugPrivilege	420	RegSvcs.exe

pid	process
3608	PecpzdhhxVzEzfz.exe
3608	PecpzdhhxVzEzfz.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

PecpzdhhxVzEzfz.exe

description	pid	process	target process
PID 3608 wrote to memory of 420	3608	PecpzdhhxVzEzfz.exe	RegSvcs.exe
PID 3608 wrote to memory of 420	3608	PecpzdhhxVzEzfz.exe	RegSvcs.exe
PID 3608 wrote to memory of 420	3608	PecpzdhhxVzEzfz.exe	RegSvcs.exe
PID 3608 wrote to memory of 420	3608	PecpzdhhxVzEzfz.exe	RegSvcs.exe
PID 3608 wrote to memory of 420	3608	PecpzdhhxVzEzfz.exe	RegSvcs.exe
PID 3608 wrote to memory of 420	3608	PecpzdhhxVzEzfz.exe	RegSvcs.exe
PID 3608 wrote to memory of 420	3608	PecpzdhhxVzEzfz.exe	RegSvcs.exe
PID 3608 wrote to memory of 420	3608	PecpzdhhxVzEzfz.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\PecpzdhhxVzEzfz.exe
"C:\Users\Admin\AppData\Local\Temp\PecpzdhhxVzEzfz.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3608
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  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:420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/420-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/420-137-0x00000000053C1000-0x00000000053C2000-memory.dmp

Filesize
4KB

Download
memory/420-134-0x00000000060F0000-0x00000000060F1000-memory.dmp

Filesize
4KB

Download
memory/420-133-0x0000000006060000-0x0000000006061000-memory.dmp

Filesize
4KB

Download
memory/420-132-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/420-127-0x000000000043762E-mapping.dmp

Download
memory/3608-121-0x0000000005700000-0x0000000005BFE000-memory.dmp

Filesize
5.0MB

Download
memory/3608-123-0x0000000005700000-0x0000000005BFE000-memory.dmp

Filesize
5.0MB

Download
memory/3608-124-0x00000000071A0000-0x00000000071A1000-memory.dmp

Filesize
4KB

Download
memory/3608-125-0x0000000007240000-0x0000000007298000-memory.dmp

Filesize
352KB

Download
memory/3608-122-0x0000000009A40000-0x0000000009A48000-memory.dmp

Filesize
32KB

Download
memory/3608-120-0x0000000005700000-0x0000000005BFE000-memory.dmp

Filesize
5.0MB

Download
memory/3608-115-0x0000000000D50000-0x0000000000D51000-memory.dmp

Filesize
4KB

Download
memory/3608-119-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/3608-118-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/3608-117-0x0000000005C00000-0x0000000005C01000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads