agenttesla | 3422570f5cee8a48426f11fe8ff9b46f281669fb677ca7f761c2b4538bd73f08

Analysis

max time kernel
116s
max time network
111s
platform
windows10_x64
resource
win10v200722
submitted
30/08/2020, 06:30

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General

Target
Order.exe
Size 1.2MB
Sample200830-ts69a4gh1j
SHA256 3422570f5cee8a48426f11fe8ff9b46f281669fb677ca7f761c2b4538bd73f08
MD5 e00d129dc320b332b2bce414c748e0d5
SHA1 50b8585109e5320a25b1425ab749dc647220a9ff
SHA512 d246d89cea10593bc8d73e245fdc2a5c386205bf9d838e4e2cb343e3b39492e647184756b1fde3838df4bd3f08a3b2115e63ea450dbfcf37ef8ab7819b6f5687
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer spyware trojan agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.cka.com.sg
Port
587
Username
[email protected]
Password
eddiechen82

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/1248-13-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/1248-13-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/1248-14-0x000000000046169E-mapping.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3980 set thread context of 1248	3980	Order.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

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

pid	Process
424	schtasks.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 = 2f0a8446a77ed601	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
1248	Order.exe
1248	Order.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeShutdownPrivilege	584	svchost.exe
Token: SeCreatePagefilePrivilege	584	svchost.exe
Token: SeDebugPrivilege	1248	Order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1248	Order.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 424	3980	Order.exe	75
PID 3980 wrote to memory of 424	3980	Order.exe	75
PID 3980 wrote to memory of 424	3980	Order.exe	75
PID 3980 wrote to memory of 1248	3980	Order.exe	77
PID 3980 wrote to memory of 1248	3980	Order.exe	77
PID 3980 wrote to memory of 1248	3980	Order.exe	77
PID 3980 wrote to memory of 1248	3980	Order.exe	77
PID 3980 wrote to memory of 1248	3980	Order.exe	77
PID 3980 wrote to memory of 1248	3980	Order.exe	77
PID 3980 wrote to memory of 1248	3980	Order.exe	77
PID 3980 wrote to memory of 1248	3980	Order.exe	77

C:\Users\Admin\AppData\Local\Temp\Order.exe
"C:\Users\Admin\AppData\Local\Temp\Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HkdRwYTniz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp38A5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:424
- C:\Users\Admin\AppData\Local\Temp\Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Order.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1248

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:584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1248-22-0x0000000005680000-0x0000000005681000-memory.dmp

Download

memory/1248-21-0x0000000005540000-0x0000000005541000-memory.dmp

Download

memory/1248-16-0x0000000073FB0000-0x000000007469E000-memory.dmp

Download

memory/1248-13-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/3980-5-0x0000000007080000-0x0000000007081000-memory.dmp

Download

memory/3980-10-0x0000000007DD0000-0x0000000007E42000-memory.dmp

Download

memory/3980-9-0x0000000007D00000-0x0000000007D9A000-memory.dmp

Download

memory/3980-8-0x0000000007020000-0x000000000702B000-memory.dmp

Download

memory/3980-7-0x00000000071E0000-0x00000000071E1000-memory.dmp

Download

memory/3980-6-0x0000000006FF0000-0x0000000006FF1000-memory.dmp

Download

memory/3980-0-0x0000000073FB0000-0x000000007469E000-memory.dmp

Download

memory/3980-4-0x00000000074E0000-0x00000000074E1000-memory.dmp

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memory/3980-3-0x0000000006F40000-0x0000000006F41000-memory.dmp

Download

memory/3980-1-0x0000000000130000-0x0000000000131000-memory.dmp

Download