agenttesla | 9007d5c1eecef73c5cef31b64da68425f7930e96ef519d2c5a7ebb59236b32e2

Analysis

max time kernel
76s
max time network
149s
platform
windows10_x64
resource
win10v200722
submitted
01/09/2020, 06:55

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
a1a736c61171b260694ee8248a5dbdb1.exe
Size 669KB
Sample200901-dyml6yy3dj
SHA256 9007d5c1eecef73c5cef31b64da68425f7930e96ef519d2c5a7ebb59236b32e2
MD5 a1a736c61171b260694ee8248a5dbdb1
SHA1 e5a8df586be7098df4dab1bf96b3fe53fcf7b4bb
SHA512 a2337561ffdf2dce8246ea29b6bda77f522fd542f6186c4d7855caaf76c9f2cde2509f4c1c5799fabbf854bff240cd86daad1dfd2264548389f912ec084f37fe
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.spamora.net
Port
587
Username
[email protected]
Password
emotion22

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3012-11-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/3012-12-0x0000000000460ECE-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1568 set thread context of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = c51946183d80d601	svchost.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1568	a1a736c61171b260694ee8248a5dbdb1.exe
1568	a1a736c61171b260694ee8248a5dbdb1.exe
1568	a1a736c61171b260694ee8248a5dbdb1.exe
1568	a1a736c61171b260694ee8248a5dbdb1.exe
1568	a1a736c61171b260694ee8248a5dbdb1.exe
1568	a1a736c61171b260694ee8248a5dbdb1.exe
1568	a1a736c61171b260694ee8248a5dbdb1.exe
1568	a1a736c61171b260694ee8248a5dbdb1.exe
3012	a1a736c61171b260694ee8248a5dbdb1.exe
3012	a1a736c61171b260694ee8248a5dbdb1.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1812	svchost.exe
Token: SeCreatePagefilePrivilege	1812	svchost.exe
Token: SeDebugPrivilege	1568	a1a736c61171b260694ee8248a5dbdb1.exe
Token: SeDebugPrivilege	3012	a1a736c61171b260694ee8248a5dbdb1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3012	a1a736c61171b260694ee8248a5dbdb1.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 3492	1568	a1a736c61171b260694ee8248a5dbdb1.exe	75
PID 1568 wrote to memory of 3492	1568	a1a736c61171b260694ee8248a5dbdb1.exe	75
PID 1568 wrote to memory of 3492	1568	a1a736c61171b260694ee8248a5dbdb1.exe	75
PID 1568 wrote to memory of 1736	1568	a1a736c61171b260694ee8248a5dbdb1.exe	76
PID 1568 wrote to memory of 1736	1568	a1a736c61171b260694ee8248a5dbdb1.exe	76
PID 1568 wrote to memory of 1736	1568	a1a736c61171b260694ee8248a5dbdb1.exe	76
PID 1568 wrote to memory of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77
PID 1568 wrote to memory of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77
PID 1568 wrote to memory of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77
PID 1568 wrote to memory of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77
PID 1568 wrote to memory of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77
PID 1568 wrote to memory of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77
PID 1568 wrote to memory of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77
PID 1568 wrote to memory of 3012	1568	a1a736c61171b260694ee8248a5dbdb1.exe	77

C:\Users\Admin\AppData\Local\Temp\a1a736c61171b260694ee8248a5dbdb1.exe
"C:\Users\Admin\AppData\Local\Temp\a1a736c61171b260694ee8248a5dbdb1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Local\Temp\a1a736c61171b260694ee8248a5dbdb1.exe
  "{path}"
  2⤵
  PID:3492
- C:\Users\Admin\AppData\Local\Temp\a1a736c61171b260694ee8248a5dbdb1.exe
  "{path}"
  2⤵
  PID:1736
- C:\Users\Admin\AppData\Local\Temp\a1a736c61171b260694ee8248a5dbdb1.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1568-5-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

Download

memory/1568-9-0x0000000007900000-0x0000000007901000-memory.dmp

Download

memory/1568-4-0x0000000005280000-0x0000000005281000-memory.dmp

Download

memory/1568-0-0x00000000735C0000-0x0000000073CAE000-memory.dmp

Download

memory/1568-6-0x0000000005470000-0x0000000005473000-memory.dmp

Download

memory/1568-7-0x0000000007510000-0x0000000007511000-memory.dmp

Download

memory/1568-3-0x0000000005780000-0x0000000005781000-memory.dmp

Download

memory/1568-1-0x0000000000850000-0x0000000000851000-memory.dmp

Download

memory/1568-8-0x0000000006F40000-0x0000000006FBA000-memory.dmp

Download

memory/1568-10-0x000000000A0B0000-0x000000000A12D000-memory.dmp

Download

memory/3012-11-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/3012-14-0x00000000735C0000-0x0000000073CAE000-memory.dmp

Download

memory/3012-19-0x0000000005B90000-0x0000000005B91000-memory.dmp

Download

memory/3012-20-0x0000000006040000-0x0000000006041000-memory.dmp

Download