agenttesla | 7fa32ef7677187129e2a8c47c3a846beebd2c18c154a00989d97e01cde9edb4a

General

Target

$45,520_180522.exe
Size

590KB
MD5

3f16c99040943dd50a8df3d0f4d2ae12
SHA1

2eeb4f24a92339b27c680d2330dd4c22dc129cf7
SHA256

7fa32ef7677187129e2a8c47c3a846beebd2c18c154a00989d97e01cde9edb4a
SHA512

3bfbe69961af3815c7d39df2fb40e01e878da35186d419f961bcd1b61e6275ab9cdb9717641294a43534fed24ddfb7ac6933f7b5b527bc03c95950f89c206308

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.silicainfotech.co.in
Port:
587
Username:
[email protected]
Password:
Silica@abcd1234@#

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.silicainfotech.co.in
Port:
587
Username:
[email protected]
Password:
Silica@abcd1234@#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

$45,520_180522.exe

description pid process target process

PID 1932 set thread context of 1968 1932 $45,520_180522.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1996 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

$45,520_180522.exeRegSvcs.exe

pid process

1932 $45,520_180522.exe
1968 RegSvcs.exe
1968 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

$45,520_180522.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1932 $45,520_180522.exe
Token: SeDebugPrivilege 1968 RegSvcs.exe

description	pid	process	target process
PID 1932 set thread context of 1968	1932	$45,520_180522.exe	RegSvcs.exe

pid	process
1996	schtasks.exe

pid	process
1932	$45,520_180522.exe
1968	RegSvcs.exe
1968	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1932	$45,520_180522.exe
Token: SeDebugPrivilege	1968	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

$45,520_180522.exe

description	pid	process	target process
PID 1932 wrote to memory of 1996	1932	$45,520_180522.exe	schtasks.exe
PID 1932 wrote to memory of 1996	1932	$45,520_180522.exe	schtasks.exe
PID 1932 wrote to memory of 1996	1932	$45,520_180522.exe	schtasks.exe
PID 1932 wrote to memory of 1996	1932	$45,520_180522.exe	schtasks.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe
PID 1932 wrote to memory of 1968	1932	$45,520_180522.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\$45,520_180522.exe
"C:\Users\Admin\AppData\Local\Temp\$45,520_180522.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ktUOZbjwfhU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7CA0.tmp"
2⤵
- Creates scheduled task(s)
PID:1996

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1968

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7CA0.tmp
Filesize
1KB

MD5
d74a73bf9f0c95fa3e0e746e627fd5ba

SHA1
db6813162a89fd7ddc0d93f9295aa8508ffc6e8a

SHA256
1b414bcf50313b2c83c455880dc7d2aff67cd5c19552f7762d7939c57676878b

SHA512
298e37685463623a971690d639e684be9cd355b77442fa3d7133c7f6a42cfca1e15873750f5be507b76ea96677fbb65b0c9c51658f04bab9372dbc77fd8e895e

Download Submit
memory/1932-57-0x0000000005C30000-0x0000000005CB0000-memory.dmp

Filesize
512KB

Download
memory/1932-55-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1932-54-0x0000000000180000-0x000000000021A000-memory.dmp

Filesize
616KB

Download
memory/1932-58-0x0000000000700000-0x000000000073A000-memory.dmp

Filesize
232KB

Download
memory/1932-56-0x0000000000620000-0x000000000062A000-memory.dmp

Filesize
40KB

Download
memory/1968-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1968-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1968-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1968-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1968-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1968-67-0x0000000000435D3E-mapping.dmp

Download
memory/1968-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1968-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1996-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads