agenttesla | 29b1033a886b90d092ec14041729bca1d00a4da73457ad62bebd03251343fefb

General

Target

Ref. # IRQ-21-007783.exe
Size

461KB
MD5

c8e1f5d76a8f5131e5347c76e9ec2bdf
SHA1

fcd565e0c15debaba5186e2832beff76b83b6301
SHA256

29b1033a886b90d092ec14041729bca1d00a4da73457ad62bebd03251343fefb
SHA512

7f8298c3e626a54470b4823b6898008b30d095e25be0d5a9530162a866ebe7ee696999e3a22d41d90271a0c20039d70e9c77623b0a72de640fc0b062d2edcf54

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1900836728:AAEDyoYbBJwtt1EA4hdgRlGTN1cq760KPNU/sendDocument

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1076-57-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/1076-58-0x000000000040188B-mapping.dmp	family_agenttesla
behavioral1/memory/1076-60-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral1/memory/1076-61-0x00000000044A0000-0x00000000044D6000-memory.dmp	family_agenttesla

Loads dropped DLL 1 IoCs

Processes:

Ref. # IRQ-21-007783.exe

pid process

1116 Ref. # IRQ-21-007783.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1116	Ref. # IRQ-21-007783.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Ref. # IRQ-21-007783.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref. # IRQ-21-007783.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref. # IRQ-21-007783.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref. # IRQ-21-007783.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Ref. # IRQ-21-007783.exe

description pid process target process

PID 1116 set thread context of 1076 1116 Ref. # IRQ-21-007783.exe Ref. # IRQ-21-007783.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Ref. # IRQ-21-007783.exe

pid process

1076 Ref. # IRQ-21-007783.exe
1076 Ref. # IRQ-21-007783.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Ref. # IRQ-21-007783.exe

description pid process

Token: SeDebugPrivilege 1076 Ref. # IRQ-21-007783.exe

description	pid	process	target process
PID 1116 set thread context of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe

pid	process
1076	Ref. # IRQ-21-007783.exe
1076	Ref. # IRQ-21-007783.exe

description	pid	process
Token: SeDebugPrivilege	1076	Ref. # IRQ-21-007783.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Ref. # IRQ-21-007783.exe

description	pid	process	target process
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe
PID 1116 wrote to memory of 1076	1116	Ref. # IRQ-21-007783.exe	Ref. # IRQ-21-007783.exe

outlook_office_path 1 IoCs

Processes:

Ref. # IRQ-21-007783.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref. # IRQ-21-007783.exe

outlook_win_path 1 IoCs

Processes:

Ref. # IRQ-21-007783.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref. # IRQ-21-007783.exe

C:\Users\Admin\AppData\Local\Temp\Ref. # IRQ-21-007783.exe
"C:\Users\Admin\AppData\Local\Temp\Ref. # IRQ-21-007783.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\Ref. # IRQ-21-007783.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref. # IRQ-21-007783.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsnDC3C.tmp\hrya.dll

MD5
c8f0b947f7aaf4d3767661b464084614

SHA1
d364f8492c34185d63474d6a5f34ee7a6cc2d8ed

SHA256
47b5f5a8396dfe5e9155964784fbc0d5f8137e7a93d14fae39674f87d7ff8983

SHA512
1eb7ba13ce1919756837ebd923a477b3052fb45545b0c8265ae0daeec68e65cc9959e29a91e9655b51ff10c1870631f8b96ed36a136ab143a4df5227fd454b44

Download Submit
memory/1076-57-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1076-58-0x000000000040188B-mapping.dmp

Download
memory/1076-60-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1076-61-0x00000000044A0000-0x00000000044D6000-memory.dmp

Filesize
216KB

Download
memory/1076-63-0x0000000002061000-0x0000000002062000-memory.dmp

Filesize
4KB

Download
memory/1076-64-0x0000000002062000-0x0000000002063000-memory.dmp

Filesize
4KB

Download
memory/1076-65-0x0000000002063000-0x0000000002064000-memory.dmp

Filesize
4KB

Download
memory/1076-66-0x0000000002064000-0x0000000002065000-memory.dmp

Filesize
4KB

Download
memory/1116-55-0x0000000076231000-0x0000000076233000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads