agenttesla | 1ea3243ad2a3b383ac4ad841794eb7b802b882b9a39f985114edfa3453e4b19d

General

Target

48b71ff758da6e68f6309b702e261999.exe
Size

1.2MB
MD5

48b71ff758da6e68f6309b702e261999
SHA1

0b6a4a53dec603f20a3873037a56a6995554ded5
SHA256

1ea3243ad2a3b383ac4ad841794eb7b802b882b9a39f985114edfa3453e4b19d
SHA512

d00a011d0f716894d92c89f71fc4249fde8d62b114b07f64baba06938b71f97232eaf4d4ee2efaf27d268c1af24fdf5f2e182f0df3b15de2630ff16c444d7148

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.xenonaslikno.gr
Port:
587
Username:
[email protected]
Password:
Fox#UgJVGN#0X

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
behavioral1/memory/1900-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1900-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1900-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1900-66-0x000000000043766E-mapping.dmp	family_agenttesla
behavioral1/memory/1900-69-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

1900 InstallUtil.exe
Loads dropped DLL 1 IoCs

Processes:

48b71ff758da6e68f6309b702e261999.exe

pid process

1636 48b71ff758da6e68f6309b702e261999.exe
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

pid	process
1900	InstallUtil.exe

pid	process
1636	48b71ff758da6e68f6309b702e261999.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

48b71ff758da6e68f6309b702e261999.exe

description pid process target process

PID 1636 set thread context of 1900 1636 48b71ff758da6e68f6309b702e261999.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

48b71ff758da6e68f6309b702e261999.exeInstallUtil.exe

pid process

1636 48b71ff758da6e68f6309b702e261999.exe
1900 InstallUtil.exe
1900 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

48b71ff758da6e68f6309b702e261999.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1636 48b71ff758da6e68f6309b702e261999.exe
Token: SeDebugPrivilege 1900 InstallUtil.exe

description	pid	process	target process
PID 1636 set thread context of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe

pid	process
1636	48b71ff758da6e68f6309b702e261999.exe
1900	InstallUtil.exe
1900	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1636	48b71ff758da6e68f6309b702e261999.exe
Token: SeDebugPrivilege	1900	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

48b71ff758da6e68f6309b702e261999.exe

description	pid	process	target process
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe
PID 1636 wrote to memory of 1900	1636	48b71ff758da6e68f6309b702e261999.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\48b71ff758da6e68f6309b702e261999.exe
"C:\Users\Admin\AppData\Local\Temp\48b71ff758da6e68f6309b702e261999.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636
- 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:1900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

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\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
\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/1636-57-0x0000000000A50000-0x0000000000A74000-memory.dmp

Filesize
144KB

Download
memory/1636-54-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/1636-60-0x0000000004AC1000-0x0000000004AC2000-memory.dmp

Filesize
4KB

Download
memory/1636-58-0x0000000000950000-0x000000000095A000-memory.dmp

Filesize
40KB

Download
memory/1636-56-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/1900-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1900-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1900-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1900-66-0x000000000043766E-mapping.dmp

Download
memory/1900-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1900-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1900-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1900-71-0x00000000044B0000-0x00000000044B1000-memory.dmp

Filesize
4KB

Download
memory/1900-72-0x00000000044B1000-0x00000000044B2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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