agenttesla | 7f401517937cd0fd1cc59c7e4d948ab31f9ba073d620e9c5a6f91f68bf7c19b2

General

Target

RQT-0678051000.exe
Size

6KB
MD5

c15b6613a19f6f2bce456363f3df6e34
SHA1

ff5be9998a01db6a07125daa3e077e367c49189c
SHA256

f48c884a7b0e982a29ac2baf6d7b44bd706d37f087fabeb2477bf342772693ba
SHA512

c756905583832f7d1528adfb4fcbf14bf0a70f9514a33bfa7303e42beb4758370d58d844b706e951058db44f820e3bfaad28517d30455ec1c2d2fe3d895eb899
SSDEEP

96:SnHAHgz03fwboj5xpyaqLMxLutW/g8Kf4mksu2s3zNt:/HQSJL0aqLhtoXKf4Ls8h

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5427131313:AAFMklRuqjznT6zTYRXZ7Ee0IUNwtacAaPk/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Executes dropped EXE 2 IoCs

Processes:

Lyrnkxtkmcnonyazbm6fwxvo.exeLyrnkxtkmcnonyazbm6fwxvo.exe

pid process

1344 Lyrnkxtkmcnonyazbm6fwxvo.exe
548 Lyrnkxtkmcnonyazbm6fwxvo.exe
Loads dropped DLL 2 IoCs

Processes:

RQT-0678051000.exeLyrnkxtkmcnonyazbm6fwxvo.exe

pid process

756 RQT-0678051000.exe
1344 Lyrnkxtkmcnonyazbm6fwxvo.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
1344	Lyrnkxtkmcnonyazbm6fwxvo.exe
548	Lyrnkxtkmcnonyazbm6fwxvo.exe

pid	process
756	RQT-0678051000.exe
1344	Lyrnkxtkmcnonyazbm6fwxvo.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RQT-0678051000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQT-0678051000.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQT-0678051000.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQT-0678051000.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RQT-0678051000.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xmtcba = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tnkylh\\Xmtcba.exe\""	RQT-0678051000.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 api.ipify.org
7 api.ipify.org

flow	ioc
6	api.ipify.org
7	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

Processes:

RQT-0678051000.exeLyrnkxtkmcnonyazbm6fwxvo.exe

description	pid	process	target process
PID 756 set thread context of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 1344 set thread context of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.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: AddClipboardFormatListener 1 IoCs

Processes:

Lyrnkxtkmcnonyazbm6fwxvo.exe

pid process

548 Lyrnkxtkmcnonyazbm6fwxvo.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeRQT-0678051000.exe

pid process

1972 powershell.exe
816 RQT-0678051000.exe
816 RQT-0678051000.exe
816 RQT-0678051000.exe

pid	process
548	Lyrnkxtkmcnonyazbm6fwxvo.exe

pid	process
1972	powershell.exe
816	RQT-0678051000.exe
816	RQT-0678051000.exe
816	RQT-0678051000.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RQT-0678051000.exepowershell.exeRQT-0678051000.exeLyrnkxtkmcnonyazbm6fwxvo.exe

description	pid	process
Token: SeDebugPrivilege	756	RQT-0678051000.exe
Token: SeDebugPrivilege	1972	powershell.exe
Token: SeDebugPrivilege	816	RQT-0678051000.exe
Token: SeDebugPrivilege	548	Lyrnkxtkmcnonyazbm6fwxvo.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RQT-0678051000.exe

pid process

816 RQT-0678051000.exe

pid	process
816	RQT-0678051000.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

RQT-0678051000.exeLyrnkxtkmcnonyazbm6fwxvo.exe

description	pid	process	target process
PID 756 wrote to memory of 1972	756	RQT-0678051000.exe	powershell.exe
PID 756 wrote to memory of 1972	756	RQT-0678051000.exe	powershell.exe
PID 756 wrote to memory of 1972	756	RQT-0678051000.exe	powershell.exe
PID 756 wrote to memory of 1972	756	RQT-0678051000.exe	powershell.exe
PID 756 wrote to memory of 1344	756	RQT-0678051000.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 756 wrote to memory of 1344	756	RQT-0678051000.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 756 wrote to memory of 1344	756	RQT-0678051000.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 756 wrote to memory of 1344	756	RQT-0678051000.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 756 wrote to memory of 816	756	RQT-0678051000.exe	RQT-0678051000.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe
PID 1344 wrote to memory of 548	1344	Lyrnkxtkmcnonyazbm6fwxvo.exe	Lyrnkxtkmcnonyazbm6fwxvo.exe

outlook_office_path 1 IoCs

Processes:

RQT-0678051000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQT-0678051000.exe

outlook_win_path 1 IoCs

Processes:

RQT-0678051000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RQT-0678051000.exe

C:\Users\Admin\AppData\Local\Temp\RQT-0678051000.exe
"C:\Users\Admin\AppData\Local\Temp\RQT-0678051000.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1972
- C:\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe
  "C:\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe
    "C:\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of AdjustPrivilegeToken
    PID:548
- C:\Users\Admin\AppData\Local\Temp\RQT-0678051000.exe
  C:\Users\Admin\AppData\Local\Temp\RQT-0678051000.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:816

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

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe

Filesize
610KB

MD5
38b72d48e1944241929502fb11f1cef3

SHA1
04d79d8998bcc022a3bca82c388354c7ac3c4ebe

SHA256
307c191bdace9d89051d74a3f1a3788f9506424800976a8b913a788108ba9e02

SHA512
cd1a01d70d847b93d804f353543ea80516d80c37d966fed1fbcebc817de73b61e1c3703e9e646e65699845df76894bb736dbceb53f6884436b9a40877739eff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe

Filesize
610KB

MD5
38b72d48e1944241929502fb11f1cef3

SHA1
04d79d8998bcc022a3bca82c388354c7ac3c4ebe

SHA256
307c191bdace9d89051d74a3f1a3788f9506424800976a8b913a788108ba9e02

SHA512
cd1a01d70d847b93d804f353543ea80516d80c37d966fed1fbcebc817de73b61e1c3703e9e646e65699845df76894bb736dbceb53f6884436b9a40877739eff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe

Filesize
610KB

MD5
38b72d48e1944241929502fb11f1cef3

SHA1
04d79d8998bcc022a3bca82c388354c7ac3c4ebe

SHA256
307c191bdace9d89051d74a3f1a3788f9506424800976a8b913a788108ba9e02

SHA512
cd1a01d70d847b93d804f353543ea80516d80c37d966fed1fbcebc817de73b61e1c3703e9e646e65699845df76894bb736dbceb53f6884436b9a40877739eff0

Download Submit
\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe

Filesize
610KB

MD5
38b72d48e1944241929502fb11f1cef3

SHA1
04d79d8998bcc022a3bca82c388354c7ac3c4ebe

SHA256
307c191bdace9d89051d74a3f1a3788f9506424800976a8b913a788108ba9e02

SHA512
cd1a01d70d847b93d804f353543ea80516d80c37d966fed1fbcebc817de73b61e1c3703e9e646e65699845df76894bb736dbceb53f6884436b9a40877739eff0

Download Submit
\Users\Admin\AppData\Local\Temp\Lyrnkxtkmcnonyazbm6fwxvo.exe

Filesize
610KB

MD5
38b72d48e1944241929502fb11f1cef3

SHA1
04d79d8998bcc022a3bca82c388354c7ac3c4ebe

SHA256
307c191bdace9d89051d74a3f1a3788f9506424800976a8b913a788108ba9e02

SHA512
cd1a01d70d847b93d804f353543ea80516d80c37d966fed1fbcebc817de73b61e1c3703e9e646e65699845df76894bb736dbceb53f6884436b9a40877739eff0

Download Submit
memory/548-88-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/548-99-0x00000000005C0000-0x00000000005C8000-memory.dmp

Filesize
32KB

Download
memory/548-98-0x0000000000430000-0x0000000000466000-memory.dmp

Filesize
216KB

Download
memory/548-97-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/548-95-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/548-92-0x000000000041B3FA-mapping.dmp

Download
memory/548-91-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/548-90-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/548-85-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/548-86-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/756-56-0x00000000057B0000-0x0000000005A5E000-memory.dmp

Filesize
2.7MB

Download
memory/756-55-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/756-54-0x0000000000DF0000-0x0000000000DF8000-memory.dmp

Filesize
32KB

Download
memory/816-69-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/816-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/816-77-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/816-70-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/816-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/816-79-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/816-75-0x0000000000429E6E-mapping.dmp

Download
memory/816-74-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1344-83-0x00000000041F0000-0x000000000422C000-memory.dmp

Filesize
240KB

Download
memory/1344-82-0x00000000046C0000-0x0000000004736000-memory.dmp

Filesize
472KB

Download
memory/1344-81-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/1344-68-0x0000000000390000-0x00000000003AA000-memory.dmp

Filesize
104KB

Download
memory/1344-66-0x0000000000820000-0x00000000008BE000-memory.dmp

Filesize
632KB

Download
memory/1344-63-0x0000000000000000-mapping.dmp

Download
memory/1972-61-0x000000006FA30000-0x000000006FFDB000-memory.dmp

Filesize
5.7MB

Download
memory/1972-57-0x0000000000000000-mapping.dmp

Download
memory/1972-59-0x000000006FA30000-0x000000006FFDB000-memory.dmp

Filesize
5.7MB

Download
memory/1972-60-0x000000006FA30000-0x000000006FFDB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads