agenttesla | 7a93cc0c53a02b539c07c06f9fc2d0e9b3794e6c33165e4e7cbe34c569e31278

Analysis

max time kernel
112s
max time network
113s
platform
windows10_x64
resource
win10v200722
submitted
28/08/2020, 21:20

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General

Target
PHYNO.txt.exe
Size 381KB
Sample200828-76hptxcsbx
SHA256 7a93cc0c53a02b539c07c06f9fc2d0e9b3794e6c33165e4e7cbe34c569e31278
MD5 38f3fd4d82f366b1b5198afbcfb10838
SHA1 974319d74ccf873b7c3070b042b4b2823ddfce40
SHA512 7987954b8cd3b4d810e6e42e8cb7e6beead3f7b14ded7cf77bf47e493b3f29e01b6d0090f9d5e7ba3aaf5e933b09deabd4a2d27202a2ace3132d6ce6dd8ee7c9
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Signatures

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

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 (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 6e59a346917dd601	svchost.exe
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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1520	PHYNO.txt.exe
1520	PHYNO.txt.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1796	svchost.exe
Token: SeCreatePagefilePrivilege	1796	svchost.exe
Token: SeDebugPrivilege	1520	PHYNO.txt.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1520	PHYNO.txt.exe

C:\Users\Admin\AppData\Local\Temp\PHYNO.txt.exe
"C:\Users\Admin\AppData\Local\Temp\PHYNO.txt.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1520

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:1796

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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