agenttesla | 9a9f7ea8a021b5c4e7984076bfe6f0ab42bddb7b50fa18ef0da17c12e8ef95e1

Analysis

max time kernel
149s
max time network
192s
platform
windows7_x64
resource
win7v20210410
submitted
24/06/2021, 06:18

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General

Target
requirement.exe
Size 1.4MB
Sample210624-lnmmmzktqs
SHA256 9a9f7ea8a021b5c4e7984076bfe6f0ab42bddb7b50fa18ef0da17c12e8ef95e1
MD5 aa30a8fc31baa2e754305ab6ab9d919d
SHA1 7c66ca734ef8d3f6ba12959c1679275a89585907
SHA512 8d880ed3ef083c1f42c67ac9ca09af3ac45d64a90ec358f340ea6499fad2db82992f6eca6b7300d521a75117caffc7c09e9abb860af5329c0b212e4c930bcb41
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.privateemail.com
Port
587
Username
[email protected]
Password
jaymoni1987

Signatures

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

AgentTesla Payload 11 IoCs

resource	yara_rule
behavioral1/memory/288-68-0x000000000049AB80-mapping.dmp	family_agenttesla
behavioral1/memory/288-67-0x0000000000400000-0x0000000000511000-memory.dmp	family_agenttesla
behavioral1/memory/288-70-0x0000000000400000-0x0000000000511000-memory.dmp	family_agenttesla
behavioral1/files/0x00060000000130f5-72.dat	family_agenttesla
behavioral1/files/0x00060000000130f5-74.dat	family_agenttesla
behavioral1/files/0x00060000000130f5-75.dat	family_agenttesla
behavioral1/memory/1312-92-0x000000000049AB80-mapping.dmp	family_agenttesla
behavioral1/files/0x00040000000130fa-96.dat	family_agenttesla
behavioral1/files/0x00040000000130fa-98.dat	family_agenttesla
behavioral1/files/0x00040000000130fa-100.dat	family_agenttesla
behavioral1/memory/1312-99-0x0000000000400000-0x0000000000511000-memory.dmp	family_agenttesla

Executes dropped EXE 4 IoCs

pid	Process
1864	._cache_requirement.exe
748	Synaptics.exe
1312	Synaptics.exe
1764	._cache_Synaptics.exe

Loads dropped DLL 4 IoCs

pid	Process
288	requirement.exe
288	requirement.exe
1312	Synaptics.exe
1312	Synaptics.exe

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

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 stealer

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 stealer

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	requirement.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 288	2020	requirement.exe	31
PID 748 set thread context of 1312	748	Synaptics.exe	37

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 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1176	schtasks.exe
1600	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2020	requirement.exe
1864	._cache_requirement.exe
1864	._cache_requirement.exe
748	Synaptics.exe
1764	._cache_Synaptics.exe
1764	._cache_Synaptics.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	requirement.exe
Token: SeDebugPrivilege	1864	._cache_requirement.exe
Token: SeDebugPrivilege	748	Synaptics.exe
Token: SeDebugPrivilege	1764	._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1864	._cache_requirement.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1176	2020	requirement.exe	29
PID 2020 wrote to memory of 1176	2020	requirement.exe	29
PID 2020 wrote to memory of 1176	2020	requirement.exe	29
PID 2020 wrote to memory of 1176	2020	requirement.exe	29
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 2020 wrote to memory of 288	2020	requirement.exe	31
PID 288 wrote to memory of 1864	288	requirement.exe	32
PID 288 wrote to memory of 1864	288	requirement.exe	32
PID 288 wrote to memory of 1864	288	requirement.exe	32
PID 288 wrote to memory of 1864	288	requirement.exe	32
PID 288 wrote to memory of 748	288	requirement.exe	33
PID 288 wrote to memory of 748	288	requirement.exe	33
PID 288 wrote to memory of 748	288	requirement.exe	33
PID 288 wrote to memory of 748	288	requirement.exe	33
PID 748 wrote to memory of 1600	748	Synaptics.exe	35
PID 748 wrote to memory of 1600	748	Synaptics.exe	35
PID 748 wrote to memory of 1600	748	Synaptics.exe	35
PID 748 wrote to memory of 1600	748	Synaptics.exe	35
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 748 wrote to memory of 1312	748	Synaptics.exe	37
PID 1312 wrote to memory of 1764	1312	Synaptics.exe	38
PID 1312 wrote to memory of 1764	1312	Synaptics.exe	38
PID 1312 wrote to memory of 1764	1312	Synaptics.exe	38
PID 1312 wrote to memory of 1764	1312	Synaptics.exe	38

C:\Users\Admin\AppData\Local\Temp\requirement.exe
"C:\Users\Admin\AppData\Local\Temp\requirement.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LiWBURjAFI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8FC1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1176
- C:\Users\Admin\AppData\Local\Temp\requirement.exe
  "C:\Users\Admin\AppData\Local\Temp\requirement.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:288
- - C:\Users\Admin\AppData\Local\Temp\._cache_requirement.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_requirement.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1864
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:748
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LiWBURjAFI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6123.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1600
  - - C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1312
    - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/288-70-0x0000000000400000-0x0000000000511000-memory.dmp

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memory/288-71-0x0000000000080000-0x0000000000081000-memory.dmp

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memory/288-67-0x0000000000400000-0x0000000000511000-memory.dmp

Download

memory/288-69-0x0000000076A81000-0x0000000076A83000-memory.dmp

Download

memory/748-86-0x0000000004F40000-0x0000000004F41000-memory.dmp

Download

memory/748-82-0x0000000001320000-0x0000000001321000-memory.dmp

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memory/1312-102-0x0000000000080000-0x0000000000081000-memory.dmp

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memory/1312-99-0x0000000000400000-0x0000000000511000-memory.dmp

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memory/1764-104-0x0000000004B80000-0x0000000004B81000-memory.dmp

Download

memory/1764-101-0x0000000000A20000-0x0000000000A21000-memory.dmp

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memory/1864-85-0x00000000003E0000-0x00000000003E1000-memory.dmp

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memory/1864-76-0x0000000001200000-0x0000000001201000-memory.dmp

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memory/1864-105-0x00000000003E1000-0x00000000003E2000-memory.dmp

Download

memory/2020-63-0x00000000080C0000-0x00000000081D8000-memory.dmp

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memory/2020-61-0x00000000007F0000-0x00000000007F1000-memory.dmp

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memory/2020-59-0x00000000000C0000-0x00000000000C1000-memory.dmp

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memory/2020-62-0x0000000000400000-0x0000000000410000-memory.dmp

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memory/2020-64-0x000000000A9E0000-0x000000000AB1C000-memory.dmp

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