agenttesla | c705dadf9dc655839e0778f2b05e191f41c58d288420095131fe2153e0cd9334

General

Target

PO 3345.exe
Size

663KB
MD5

16a97a92f7072068c9345f16c1b841b3
SHA1

42dda412b6af64273d1e55ae3008ca03fcf0072a
SHA256

c705dadf9dc655839e0778f2b05e191f41c58d288420095131fe2153e0cd9334
SHA512

100c7c8f3a95b21ca1f408b7a2e879ace27ace6394774ebd2c9a97c7ef47d75191ed191af083e014b264bf2da0b0c68e8448e043c920788dc234e41360ed66c4
SSDEEP

12288:HriSAx5PWPQA4jcCxttjSUXcM+UxhCuJ8JBCu5XHxrHdm5OznueAWt6G4enCG0m:Hr7Ax5uPH4jcCzBjJJ8/n3tHdm5OznuW

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rmmarine.com.sg
Port:
587
Username:
[email protected]
Password:
Rmms201809
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO 3345.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 3345.exe
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 3345.exe
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 3345.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO 3345.exe

description pid process target process

PID 4048 set thread context of 3860 4048 PO 3345.exe PO 3345.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO 3345.exe

pid process

3860 PO 3345.exe
3860 PO 3345.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO 3345.exe

description pid process

Token: SeDebugPrivilege 3860 PO 3345.exe

description	pid	process	target process
PID 4048 set thread context of 3860	4048	PO 3345.exe	PO 3345.exe

pid	process
3860	PO 3345.exe
3860	PO 3345.exe

description	pid	process
Token: SeDebugPrivilege	3860	PO 3345.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

PO 3345.exe

description	pid	process	target process
PID 4048 wrote to memory of 3860	4048	PO 3345.exe	PO 3345.exe
PID 4048 wrote to memory of 3860	4048	PO 3345.exe	PO 3345.exe
PID 4048 wrote to memory of 3860	4048	PO 3345.exe	PO 3345.exe
PID 4048 wrote to memory of 3860	4048	PO 3345.exe	PO 3345.exe
PID 4048 wrote to memory of 3860	4048	PO 3345.exe	PO 3345.exe
PID 4048 wrote to memory of 3860	4048	PO 3345.exe	PO 3345.exe
PID 4048 wrote to memory of 3860	4048	PO 3345.exe	PO 3345.exe
PID 4048 wrote to memory of 3860	4048	PO 3345.exe	PO 3345.exe

outlook_office_path 1 IoCs

Processes:

PO 3345.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 3345.exe

outlook_win_path 1 IoCs

Processes:

PO 3345.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 3345.exe

C:\Users\Admin\AppData\Local\Temp\PO 3345.exe
"C:\Users\Admin\AppData\Local\Temp\PO 3345.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4048

C:\Users\Admin\AppData\Local\Temp\PO 3345.exe
"C:\Users\Admin\AppData\Local\Temp\PO 3345.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO 3345.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3860-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3860-22-0x00000000050C0000-0x00000000050D0000-memory.dmp

Filesize
64KB

Download
memory/3860-21-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3860-20-0x00000000060F0000-0x0000000006140000-memory.dmp

Filesize
320KB

Download
memory/3860-19-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/3860-18-0x00000000050C0000-0x00000000050D0000-memory.dmp

Filesize
64KB

Download
memory/3860-16-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/4048-5-0x0000000005580000-0x000000000558A000-memory.dmp

Filesize
40KB

Download
memory/4048-6-0x0000000005850000-0x00000000058EC000-memory.dmp

Filesize
624KB

Download
memory/4048-10-0x0000000006B50000-0x0000000006B5A000-memory.dmp

Filesize
40KB

Download
memory/4048-11-0x0000000006B60000-0x0000000006B6C000-memory.dmp

Filesize
48KB

Download
memory/4048-12-0x0000000006BE0000-0x0000000006C5C000-memory.dmp

Filesize
496KB

Download
memory/4048-8-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/4048-7-0x00000000055D0000-0x00000000055E2000-memory.dmp

Filesize
72KB

Download
memory/4048-9-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4048-0-0x0000000000AD0000-0x0000000000B7C000-memory.dmp

Filesize
688KB

Download
memory/4048-17-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/4048-4-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4048-3-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/4048-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

Filesize
5.6MB

Download
memory/4048-1-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads