agenttesla | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98 | Triage

Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
117s
max time network
150s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-07-2023 06:32

Sharing

Report Analysis Logs

General

Target

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
Size

878KB
MD5

9dcf195dc26fcbddd145ad670b055f03
SHA1

b274a3cb51b3c2b0caf34d202ee04e6b261e138e
SHA256

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e
SHA512

a2ca33f230e9df6227e33b889bfae20f654d2281c5a880f94c4e4e911b3c00901edceab2021e61bceaff86d92d525330f5e50c4a649b00fc4fa9bed7fcf43b65
SSDEEP

12288:FuybJQ1q9I6/kldSCGDykct0hiYeyoGBIqpTh2e1h1nUiZdmWVsQmood+ik4g8yX:FuEQOPWkhxNt2ChayAWOQmUrEloD

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.symmdentaesthetics.com/
Port:
21
Username:
[email protected]/
Password:
smartooo@12

Protocol: ftp
Host:
ftp://ftp.symmdentaesthetics.com/
Port:
21
Username:
[email protected]/
Password:
smartooo@12

Signatures

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

AgentTesla payload 5 IoCs

Processes:

resource	yara_rule
behavioral3/memory/2828-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2828-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2828-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2828-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2828-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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

Email Collection

Processes:

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

description	pid	process	target process
PID 1368 set thread context of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

pid	process
2828	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
2828	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

description pid process

Token: SeDebugPrivilege 2828 1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

description	pid	process	target process
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
PID 1368 wrote to memory of 2828	1368	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

outlook_office_path 1 IoCs

Processes:

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

outlook_win_path 1 IoCs

Processes:

1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

C:\Users\Admin\AppData\Local\Temp\1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
"C:\Users\Admin\AppData\Local\Temp\1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1368

C:\Users\Admin\AppData\Local\Temp\1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2828

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1368-54-0x0000000000AB0000-0x0000000000B90000-memory.dmp

Filesize
896KB

Download
memory/1368-55-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/1368-56-0x00000000001E0000-0x00000000001EA000-memory.dmp

Filesize
40KB

Download
memory/1368-57-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/1368-58-0x00000000004A0000-0x00000000004E0000-memory.dmp

Filesize
256KB

Download
memory/1368-59-0x0000000000790000-0x00000000007E4000-memory.dmp

Filesize
336KB

Download
memory/1368-72-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2828-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2828-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2828-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2828-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2828-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2828-71-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2828-73-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download
memory/2828-74-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download