agenttesla | ecd0c9515106232ce9cb2e64bd93d688a4e6211dd0a42582f39435c3652ccf86

General

Target
add0fec8e5c9bfb68d179dbdd6dc5e5b.exe
Size 1.0MB
Sample200907-bzt2kkn3sa
SHA256 ecd0c9515106232ce9cb2e64bd93d688a4e6211dd0a42582f39435c3652ccf86
MD5 add0fec8e5c9bfb68d179dbdd6dc5e5b
SHA1 85574c4716989e6ffdbad6978d7bc4fe8d399686
SHA512 b9f996b78f2f8a1600dfc5a1e9269da8ec582556cdbcc0db211de238a7d7eaeb0c0bb036ecbfd38a602d3aec759c71824e23da6e9dcc8c7b617d5b7e0f46d6d0
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer persistence spyware trojan agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
bh-58.webhostbox.net
Port
587
Username
[email protected]
Password
7213575aceACE@#$

Signatures

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

AgentTesla Payload 3 IoCs

keylogger stealer

resource	yara_rule
behavioral2/memory/4032-7-0x000000000045467E-mapping.dmp	agent_tesla
behavioral2/memory/4032-6-0x0000000000400000-0x000000000045A000-memory.dmp	agent_tesla
behavioral2/memory/4032-6-0x0000000000400000-0x000000000045A000-memory.dmp	agent_tesla

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run\cairo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cairo\\cairo.exe"	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 424 set thread context of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76

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
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 = fea4b52b1685d601	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4032	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe
4032	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2324	svchost.exe
Token: SeCreatePagefilePrivilege	2324	svchost.exe
Token: SeDebugPrivilege	4032	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4032	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 424 wrote to memory of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76
PID 424 wrote to memory of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76
PID 424 wrote to memory of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76
PID 424 wrote to memory of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76
PID 424 wrote to memory of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76
PID 424 wrote to memory of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76
PID 424 wrote to memory of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76
PID 424 wrote to memory of 4032	424	add0fec8e5c9bfb68d179dbdd6dc5e5b.exe	76

C:\Users\Admin\AppData\Local\Temp\add0fec8e5c9bfb68d179dbdd6dc5e5b.exe
"C:\Users\Admin\AppData\Local\Temp\add0fec8e5c9bfb68d179dbdd6dc5e5b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:424
- C:\Users\Admin\AppData\Local\Temp\add0fec8e5c9bfb68d179dbdd6dc5e5b.exe
  "C:\Users\Admin\AppData\Local\Temp\add0fec8e5c9bfb68d179dbdd6dc5e5b.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4032

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:2324

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:3712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3712-5-0x00007FFE349D0000-0x00007FFE35370000-memory.dmp

Download

memory/4032-6-0x0000000000400000-0x000000000045A000-memory.dmp