agenttesla | c2f38ab387af8786ebc37f336dd923f935098dea3821e2ef8a9e2308c3ed47e7

General

Target

Sin factura 2021 NOV-INV IX 08945.exe
Size

757KB
MD5

0e674bdf43144fea1eeb1eed1013c59a
SHA1

2ee2139e2fb67b4a27e4074c21a3db12d0c665a8
SHA256

c2f38ab387af8786ebc37f336dd923f935098dea3821e2ef8a9e2308c3ed47e7
SHA512

5438664d71cab3426851bf82a1a0d68900fbe556ee1b065c2f7da522fdd3c9619a922f14a73bc245f16442ca76fd25bf07255d76ddd0870b6246b8f06cf2e41f

Score

10^/10

agenttesla agilenet collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.acpl.net.in
Port:
587
Username:
[email protected]
Password:
Hi~M)?*G~-Zd

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1956-128-0x00000000004375BE-mapping.dmp	family_agenttesla
behavioral2/memory/1956-131-0x0000000000160000-0x000000000019C000-memory.dmp	family_agenttesla
behavioral2/memory/1956-135-0x0000000004990000-0x0000000004E8E000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

1956 InstallUtil.exe

pid	process
1956	InstallUtil.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/2092-121-0x0000000006690000-0x00000000066B1000-memory.dmp	agile_net

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
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Sin factura 2021 NOV-INV IX 08945.exe

description pid process target process

PID 2092 set thread context of 1956 2092 Sin factura 2021 NOV-INV IX 08945.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Sin factura 2021 NOV-INV IX 08945.exeInstallUtil.exe

pid process

2092 Sin factura 2021 NOV-INV IX 08945.exe
2092 Sin factura 2021 NOV-INV IX 08945.exe
1956 InstallUtil.exe
1956 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Sin factura 2021 NOV-INV IX 08945.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 2092 Sin factura 2021 NOV-INV IX 08945.exe
Token: SeDebugPrivilege 1956 InstallUtil.exe

description	pid	process	target process
PID 2092 set thread context of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe

pid	process
2092	Sin factura 2021 NOV-INV IX 08945.exe
2092	Sin factura 2021 NOV-INV IX 08945.exe
1956	InstallUtil.exe
1956	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2092	Sin factura 2021 NOV-INV IX 08945.exe
Token: SeDebugPrivilege	1956	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Sin factura 2021 NOV-INV IX 08945.exe

description	pid	process	target process
PID 2092 wrote to memory of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe
PID 2092 wrote to memory of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe
PID 2092 wrote to memory of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe
PID 2092 wrote to memory of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe
PID 2092 wrote to memory of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe
PID 2092 wrote to memory of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe
PID 2092 wrote to memory of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe
PID 2092 wrote to memory of 1956	2092	Sin factura 2021 NOV-INV IX 08945.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Sin factura 2021 NOV-INV IX 08945.exe
"C:\Users\Admin\AppData\Local\Temp\Sin factura 2021 NOV-INV IX 08945.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1956

Network

MITRE ATT&CK Matrix ATT&CK 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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/1956-128-0x00000000004375BE-mapping.dmp

Download
memory/1956-140-0x0000000004990000-0x0000000004E8E000-memory.dmp

Filesize
5.0MB

Download
memory/1956-139-0x0000000004B30000-0x0000000004B31000-memory.dmp

Filesize
4KB

Download
memory/1956-136-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/1956-135-0x0000000004990000-0x0000000004E8E000-memory.dmp

Filesize
5.0MB

Download
memory/1956-131-0x0000000000160000-0x000000000019C000-memory.dmp

Filesize
240KB

Download
memory/2092-120-0x0000000005560000-0x0000000005A5E000-memory.dmp

Filesize
5.0MB

Download
memory/2092-125-0x0000000007290000-0x000000000729B000-memory.dmp

Filesize
44KB

Download
memory/2092-126-0x00000000072A0000-0x00000000072A1000-memory.dmp

Filesize
4KB

Download
memory/2092-124-0x0000000005560000-0x0000000005A5E000-memory.dmp

Filesize
5.0MB

Download
memory/2092-123-0x0000000006710000-0x0000000006711000-memory.dmp

Filesize
4KB

Download
memory/2092-122-0x0000000006740000-0x0000000006741000-memory.dmp

Filesize
4KB

Download
memory/2092-121-0x0000000006690000-0x00000000066B1000-memory.dmp

Filesize
132KB

Download
memory/2092-115-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/2092-119-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/2092-118-0x0000000005560000-0x0000000005561000-memory.dmp

Filesize
4KB

Download
memory/2092-117-0x0000000005A60000-0x0000000005A61000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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