agenttesla | 28fc5135ea1f14ea296184a3e518908ae77d88f100efa162bf30c046790197a3

General

Target

88ef9621b800849bb2916f4d6654de32.exe
Size

816KB
MD5

88ef9621b800849bb2916f4d6654de32
SHA1

5b488137ea06640c1895286ccf4994b65334ae8f
SHA256

28fc5135ea1f14ea296184a3e518908ae77d88f100efa162bf30c046790197a3
SHA512

50dc29078db22d56925ea89a06cc1c13419854457b5a3a38327cf58bee81f49cc9d19fdc9725e8051b6bb6ca10d070ae2123f759135e2be49c6260cc405f54b5

Score

10^/10

agenttesla agilenet collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.everywhere-gtt.com
Port:
587
Username:
[email protected]
Password:
chidiebere1994

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/1188-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1188-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1188-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1188-66-0x000000000043771E-mapping.dmp	family_agenttesla
behavioral1/memory/1188-69-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

InstallUtil.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts InstallUtil.exe
Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

1188 InstallUtil.exe
Loads dropped DLL 1 IoCs

Processes:

88ef9621b800849bb2916f4d6654de32.exe

pid process

1564 88ef9621b800849bb2916f4d6654de32.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	InstallUtil.exe

pid	process
1188	InstallUtil.exe

pid	process
1564	88ef9621b800849bb2916f4d6654de32.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
behavioral1/memory/1564-56-0x00000000005C0000-0x00000000005E1000-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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

88ef9621b800849bb2916f4d6654de32.exe

description pid process target process

PID 1564 set thread context of 1188 1564 88ef9621b800849bb2916f4d6654de32.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

88ef9621b800849bb2916f4d6654de32.exeInstallUtil.exe

pid process

1564 88ef9621b800849bb2916f4d6654de32.exe
1564 88ef9621b800849bb2916f4d6654de32.exe
1188 InstallUtil.exe
1188 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

88ef9621b800849bb2916f4d6654de32.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1564 88ef9621b800849bb2916f4d6654de32.exe
Token: SeDebugPrivilege 1188 InstallUtil.exe

description	pid	process	target process
PID 1564 set thread context of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe

pid	process
1564	88ef9621b800849bb2916f4d6654de32.exe
1564	88ef9621b800849bb2916f4d6654de32.exe
1188	InstallUtil.exe
1188	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1564	88ef9621b800849bb2916f4d6654de32.exe
Token: SeDebugPrivilege	1188	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

88ef9621b800849bb2916f4d6654de32.exe

description	pid	process	target process
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe
PID 1564 wrote to memory of 1188	1564	88ef9621b800849bb2916f4d6654de32.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\88ef9621b800849bb2916f4d6654de32.exe
"C:\Users\Admin\AppData\Local\Temp\88ef9621b800849bb2916f4d6654de32.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1188

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

Replay Monitor

Loading Replay Monitor...

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/1188-66-0x000000000043771E-mapping.dmp

Download
memory/1188-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1188-72-0x0000000001E31000-0x0000000001E32000-memory.dmp

Filesize
4KB

Download
memory/1188-71-0x0000000001E30000-0x0000000001E31000-memory.dmp

Filesize
4KB

Download
memory/1188-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1188-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1188-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1188-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1188-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1564-53-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/1564-56-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/1564-55-0x0000000004460000-0x0000000004461000-memory.dmp

Filesize
4KB

Download
memory/1564-58-0x0000000000770000-0x000000000077B000-memory.dmp

Filesize
44KB

Download
memory/1564-57-0x0000000004461000-0x0000000004462000-memory.dmp

Filesize
4KB

Download
memory/1564-59-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads