agenttesla | fde9860a34f3a0e9beb1c215ef346db647f7c33dca45c3e9e32cd977b25339b2

General

Target

b65172028bbb2d2ac8999ab0bd106e1d.exe
Size

871KB
MD5

b65172028bbb2d2ac8999ab0bd106e1d
SHA1

bf5ab1bb9c6f309e73e0bab2f52ea8275cd1a288
SHA256

fde9860a34f3a0e9beb1c215ef346db647f7c33dca45c3e9e32cd977b25339b2
SHA512

45c10cf721e4281f2e11233e42f461e338327545afbd056f104a8eea916f874486f4e342d03d715c9965ab858d63785ae2a868e8d6d22893de9780fd0a1e17ea
SSDEEP

12288:BbSmkovatXkiINBhONDsxxaM/gU1BvcJN/ug3E11jQt2NjFx8OOUB2:smkDlkiINB0DE00g0DjQMNjXLs

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.globalmedical.nl
Port:
587
Username:
[email protected]
Password:
BxbSA^274om@NAe!7W&&#Nx$
Email To:
[email protected]

Signatures

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

AgentTesla payload 7 IoCs

resource	yara_rule
behavioral1/memory/2524-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2524-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2524-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2524-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2524-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2524-25-0x0000000004A60000-0x0000000004AA0000-memory.dmp	family_agenttesla
behavioral1/memory/2524-27-0x0000000004A60000-0x0000000004AA0000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b65172028bbb2d2ac8999ab0bd106e1d.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b65172028bbb2d2ac8999ab0bd106e1d.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b65172028bbb2d2ac8999ab0bd106e1d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1580 set thread context of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2524	b65172028bbb2d2ac8999ab0bd106e1d.exe
2524	b65172028bbb2d2ac8999ab0bd106e1d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2524	b65172028bbb2d2ac8999ab0bd106e1d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe
Token: SeDebugPrivilege	2524	b65172028bbb2d2ac8999ab0bd106e1d.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30
PID 1580 wrote to memory of 2524	1580	b65172028bbb2d2ac8999ab0bd106e1d.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b65172028bbb2d2ac8999ab0bd106e1d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b65172028bbb2d2ac8999ab0bd106e1d.exe

C:\Users\Admin\AppData\Local\Temp\b65172028bbb2d2ac8999ab0bd106e1d.exe
"C:\Users\Admin\AppData\Local\Temp\b65172028bbb2d2ac8999ab0bd106e1d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Users\Admin\AppData\Local\Temp\b65172028bbb2d2ac8999ab0bd106e1d.exe
  "C:\Users\Admin\AppData\Local\Temp\b65172028bbb2d2ac8999ab0bd106e1d.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1580-0-0x0000000000830000-0x0000000000910000-memory.dmp

Filesize
896KB

Download
memory/1580-1-0x0000000074DF0000-0x00000000754DE000-memory.dmp

Filesize
6.9MB

Download
memory/1580-2-0x0000000004890000-0x00000000048D0000-memory.dmp

Filesize
256KB

Download
memory/1580-3-0x00000000004A0000-0x00000000004BA000-memory.dmp

Filesize
104KB

Download
memory/1580-4-0x0000000074DF0000-0x00000000754DE000-memory.dmp

Filesize
6.9MB

Download
memory/1580-5-0x0000000004890000-0x00000000048D0000-memory.dmp

Filesize
256KB

Download
memory/1580-6-0x0000000005CC0000-0x0000000005D62000-memory.dmp

Filesize
648KB

Download
memory/1580-7-0x00000000006D0000-0x000000000070C000-memory.dmp

Filesize
240KB

Download
memory/1580-23-0x0000000074DF0000-0x00000000754DE000-memory.dmp

Filesize
6.9MB

Download
memory/2524-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2524-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2524-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2524-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2524-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2524-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2524-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2524-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2524-24-0x0000000074DF0000-0x00000000754DE000-memory.dmp

Filesize
6.9MB

Download
memory/2524-25-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/2524-26-0x0000000074DF0000-0x00000000754DE000-memory.dmp

Filesize
6.9MB

Download
memory/2524-27-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download

Analysis

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