agenttesla | ec094f2965613b3845bbcd1936cdf27773e89e369052c27f4b5f07dd29b6cc62

General

Target

Confirmation_SWIFT.xls
Size

75KB
MD5

f01671ac94d1f55044d47cae49633150
SHA1

216adc71642235afb5d83386e2bdc42c50dda56e
SHA256

ec094f2965613b3845bbcd1936cdf27773e89e369052c27f4b5f07dd29b6cc62
SHA512

e3887dc534578dbfbadd41e5dcd5bffbbb00ea5d0e00acf79525c4b2ade83d13dc34815a9a7a8471851ff917acca185609d33ef7680be3d1f071dfe34f863e1c

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://protestlabsmovings.es/
Port:
21
Username:
admin_smonei
Password:
DUcDxxNTn3

Protocol: ftp
Host:
ftp://protestlabsmovings.es/
Port:
21
Username:
admin_smonei
Password:
DUcDxxNTn3

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1924-10-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1924-11-0x000000000044743E-mapping.dmp	family_agenttesla
behavioral1/memory/1924-13-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1924-14-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	YPMNM.exe

Executes dropped EXE 3 IoCs

pid	Process
1768	YPMNM.exe
1952	YPMNM.exe
1924	YPMNM.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 1924	1768	YPMNM.exe	31

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1520	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1768	YPMNM.exe
1768	YPMNM.exe
1924	YPMNM.exe
1924	YPMNM.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	YPMNM.exe
Token: SeDebugPrivilege	1924	YPMNM.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1520	EXCEL.EXE
1520	EXCEL.EXE
1520	EXCEL.EXE
1924	YPMNM.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 1768	1520	EXCEL.EXE	26
PID 1520 wrote to memory of 1768	1520	EXCEL.EXE	26
PID 1520 wrote to memory of 1768	1520	EXCEL.EXE	26
PID 1520 wrote to memory of 1768	1520	EXCEL.EXE	26
PID 1768 wrote to memory of 1952	1768	YPMNM.exe	30
PID 1768 wrote to memory of 1952	1768	YPMNM.exe	30
PID 1768 wrote to memory of 1952	1768	YPMNM.exe	30
PID 1768 wrote to memory of 1952	1768	YPMNM.exe	30
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31
PID 1768 wrote to memory of 1924	1768	YPMNM.exe	31

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Confirmation_SWIFT.xls
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\YPMNM.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\YPMNM.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\YPMNM.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:1952
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\YPMNM.exe
    "{path}"
    3⤵
    - Drops file in Drivers directory
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1520-3-0x0000000005FB0000-0x00000000060B0000-memory.dmp

Filesize
1024KB

Download
memory/1520-0-0x0000000005FB0000-0x00000000060B0000-memory.dmp

Filesize
1024KB

Download
memory/1520-2-0x0000000005FB0000-0x00000000060B0000-memory.dmp

Filesize
1024KB

Download
memory/1520-1-0x0000000005FB0000-0x00000000060B0000-memory.dmp

Filesize
1024KB

Download
memory/1924-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1924-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1924-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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