agenttesla | 1a1649fe96f3711a5af037918c440701ac828722879d118e12e761541c266490

General

Target

Invoice.exe
Size

430KB
MD5

cd9794b192b65afe8eb044f5da433695
SHA1

ce0c3552c8da19531b70150f6e406528c45549de
SHA256

ef96df6ea910efa18ab195dcdc724bb1f405d520862da83da33ce31a7f405c47
SHA512

e246255c1fc3149b1d0312df95721a455b1e084bf79ca561bffffba6b3d286adad21604b6d497c71ebadfdc8e25e14c4e84f2ba28f4fbe817fe011e7ebea0ab9

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
coronavirus2020

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral3/memory/2000-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2000-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2000-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2000-64-0x00000000004470FE-mapping.dmp	family_agenttesla
behavioral3/memory/2000-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral3/memory/2000-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 532 set thread context of 2000 532 Invoice.exe MSBuild.exe
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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

936 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

2000 MSBuild.exe
2000 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 2000 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

2000 MSBuild.exe

description	pid	process	target process
PID 532 set thread context of 2000	532	Invoice.exe	MSBuild.exe

pid	process
936	schtasks.exe

pid	process
2000	MSBuild.exe
2000	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2000	MSBuild.exe

pid	process
2000	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 532 wrote to memory of 936	532	Invoice.exe	schtasks.exe
PID 532 wrote to memory of 936	532	Invoice.exe	schtasks.exe
PID 532 wrote to memory of 936	532	Invoice.exe	schtasks.exe
PID 532 wrote to memory of 936	532	Invoice.exe	schtasks.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe
PID 532 wrote to memory of 2000	532	Invoice.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:532

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDVVAnmyeTaAna" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BE9.tmp"
2⤵
- Creates scheduled task(s)
PID:936

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2000

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3BE9.tmp
Filesize
1KB

MD5
a7a01e190d224cadb2a60e00fcbba050

SHA1
2f1cb2adc811e1caca46ad3f45b96bc2f8a2c77a

SHA256
87c6c0a59286d26c684b3aab7a2af1b1160430c437059a784bd3789f0cb4a977

SHA512
f7106c9ccc2e8e7fecc4cbb3e5868aafed32b32819985ec28e9b532144d3e515bb6dbe268b72f73f3192ab5d1eb296304f8aa8ef2ba03fd1e24ac56769e373c2

Download Submit
memory/532-54-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download
memory/532-55-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/936-56-0x0000000000000000-mapping.dmp

Download
memory/2000-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-64-0x00000000004470FE-mapping.dmp

Download
memory/2000-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-70-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads