agenttesla | 942f7d551ae6e745c79933ea717d89758c09a5a6bb1135e97002c0614430d71c

General

Target

e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe
Size

722KB
MD5

e45d320e262c21268c2711e3abdfdde3
SHA1

478cf861c91216e510a7cb04e48691c6375ca63d
SHA256

942f7d551ae6e745c79933ea717d89758c09a5a6bb1135e97002c0614430d71c
SHA512

cc5bb391c18e15bf54fbed818f847427d02f7836c0af67b1ab304e5af53b13d03aa17ab0e8b7e6cf60b3b231d0cae5e79e3b5a49b55c9e36ff16dadf27ddb8fc
SSDEEP

12288:in/P3vqT1WES8G43JBiSRQpERSaweInS/5alfPLS4FOb/FhCsvysdDDb9sS:63y9zZ3JBpRUgSa1Bak4Q5y+DDbe

Score

10^/10

agenttesla collection credential_access discovery 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

AgentTesla payload 19 IoCs

resource	yara_rule
behavioral1/memory/2460-10-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-17-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-15-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-40-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-38-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-37-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-35-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-32-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-31-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-29-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-27-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-26-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-25-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-24-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-23-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-22-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-21-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/2460-9-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.amazonaws.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2460	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe
2460	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe
Token: SeDebugPrivilege	2460	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2460	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30
PID 2248 wrote to memory of 2460	2248	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e45d320e262c21268c2711e3abdfdde3_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2248-0-0x0000000074671000-0x0000000074672000-memory.dmp

Filesize
4KB

Download
memory/2248-1-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download
memory/2248-2-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download
memory/2248-3-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download
memory/2248-7-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download
memory/2248-41-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download
memory/2460-27-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-25-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-19-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download
memory/2460-40-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-38-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-37-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-35-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-32-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-31-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-29-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-15-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-17-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-26-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-13-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-24-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-23-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-22-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-21-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-18-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download
memory/2460-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-9-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-6-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-10-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-4-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2460-42-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download
memory/2460-43-0x0000000074670000-0x0000000074C1B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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