agenttesla | eba198c71f047f143f329759df49f33fd0d28ec83018098996eef7285ce0c7bc

General

Target

Swift-pago.pdf.exe
Size

38.0MB
MD5

08a5400c20f882346a1f2b9e04cff8d2
SHA1

2cadd3ff90433197824a547ece57da36435fb64b
SHA256

33908ca6bf57c6bbb1375a3d58f4bd5c490451cfad130aaacd61e08020c94e00
SHA512

73bbec6ba2c7127c9b65e99b16e202eedc38c0f1e9d8e6e497e211bfb45ced47e5d7db5e17205d92cc064651610d15a815449f036e01f0616b7e175ce5b1a612
SSDEEP

12288:hpBVJSWUbTz5Vec/ZFaGGBMwqury4DCaWpkMeWcdVxK37N7Otzla+MQ6Y3TzGxqa:hpBVJOvja/Xq13WdeErak

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.alimentostolten.cl
Port:
587
Username:
[email protected]
Password:
icui4cu2@@

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4220-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Swift-pago.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Swift-pago.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Swift-pago.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3304 set thread context of 4220	3304	Swift-pago.pdf.exe	91

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Swift-pago.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Swift-pago.pdf.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3304	Swift-pago.pdf.exe
3304	Swift-pago.pdf.exe
3304	Swift-pago.pdf.exe
3304	Swift-pago.pdf.exe
4220	Swift-pago.pdf.exe
4220	Swift-pago.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3304	Swift-pago.pdf.exe
Token: SeDebugPrivilege	4220	Swift-pago.pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 4356	3304	Swift-pago.pdf.exe	90
PID 3304 wrote to memory of 4356	3304	Swift-pago.pdf.exe	90
PID 3304 wrote to memory of 4356	3304	Swift-pago.pdf.exe	90
PID 3304 wrote to memory of 4220	3304	Swift-pago.pdf.exe	91
PID 3304 wrote to memory of 4220	3304	Swift-pago.pdf.exe	91
PID 3304 wrote to memory of 4220	3304	Swift-pago.pdf.exe	91
PID 3304 wrote to memory of 4220	3304	Swift-pago.pdf.exe	91
PID 3304 wrote to memory of 4220	3304	Swift-pago.pdf.exe	91
PID 3304 wrote to memory of 4220	3304	Swift-pago.pdf.exe	91
PID 3304 wrote to memory of 4220	3304	Swift-pago.pdf.exe	91
PID 3304 wrote to memory of 4220	3304	Swift-pago.pdf.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Swift-pago.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Swift-pago.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe"
  2⤵
  PID:4356
- C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Swift-pago.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\Microsoft\CLR_v4.0_32\UsageLogs\Swift-pago.pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3304-10-0x000000000C6B0000-0x000000000C710000-memory.dmp

Filesize
384KB

Download
memory/3304-15-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3304-3-0x000000000AB80000-0x000000000AC12000-memory.dmp

Filesize
584KB

Download
memory/3304-4-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3304-5-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/3304-6-0x000000000ACD0000-0x000000000ACDE000-memory.dmp

Filesize
56KB

Download
memory/3304-7-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/3304-9-0x000000000C560000-0x000000000C5FC000-memory.dmp

Filesize
624KB

Download
memory/3304-0-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/3304-2-0x000000000B090000-0x000000000B634000-memory.dmp

Filesize
5.6MB

Download
memory/3304-8-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3304-1-0x0000000000BB0000-0x0000000000C84000-memory.dmp

Filesize
848KB

Download
memory/4220-14-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4220-19-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4220-16-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4220-17-0x00000000055E0000-0x00000000055F8000-memory.dmp

Filesize
96KB

Download
memory/4220-18-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/4220-21-0x00000000013C0000-0x0000000001410000-memory.dmp

Filesize
320KB

Download
memory/4220-20-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4220-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

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