agenttesla | 484f6592d90c1da40b43355a3ca07b1114407f90ac7096981b597a2d07b9d770

Analysis

max time kernel
131s
max time network
134s
platform
windows10_x64
resource
win10-en-20211014
submitted
09/11/2021, 16:24

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General

Target
og7XPB2MCgUdGBT.exe
Size 476KB
Sample211109-twddlsfef6
SHA256 484f6592d90c1da40b43355a3ca07b1114407f90ac7096981b597a2d07b9d770
MD5 a25ff6f118f43b907552b347cddcd6a7
SHA1 0f9387c7ae0fd606fcf3858cd8e7bfd883486cfe
SHA512 c3a713b62b1909ab3c9ebd94ec9a71f0995de79fbfe26451c7ab343138518646a8488f77ede6ba577c3ceee506f88caf8ab59672feaf78d51e0864fc736564c7
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.crealuz.es
Port
587
Username
[email protected]
Password
Pu10?as1

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3980-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3980-127-0x000000000043753E-mapping.dmp	family_agenttesla
behavioral2/memory/3980-133-0x0000000004FB0000-0x00000000054AE000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	og7XPB2MCgUdGBT.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	og7XPB2MCgUdGBT.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	og7XPB2MCgUdGBT.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 3980	2144	og7XPB2MCgUdGBT.exe	71

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2144	og7XPB2MCgUdGBT.exe
2144	og7XPB2MCgUdGBT.exe
2144	og7XPB2MCgUdGBT.exe
2144	og7XPB2MCgUdGBT.exe
2144	og7XPB2MCgUdGBT.exe
2144	og7XPB2MCgUdGBT.exe
3980	og7XPB2MCgUdGBT.exe
3980	og7XPB2MCgUdGBT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2144	og7XPB2MCgUdGBT.exe
Token: SeDebugPrivilege	3980	og7XPB2MCgUdGBT.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 1536	2144	og7XPB2MCgUdGBT.exe	68
PID 2144 wrote to memory of 1536	2144	og7XPB2MCgUdGBT.exe	68
PID 2144 wrote to memory of 1536	2144	og7XPB2MCgUdGBT.exe	68
PID 2144 wrote to memory of 3792	2144	og7XPB2MCgUdGBT.exe	69
PID 2144 wrote to memory of 3792	2144	og7XPB2MCgUdGBT.exe	69
PID 2144 wrote to memory of 3792	2144	og7XPB2MCgUdGBT.exe	69
PID 2144 wrote to memory of 3956	2144	og7XPB2MCgUdGBT.exe	70
PID 2144 wrote to memory of 3956	2144	og7XPB2MCgUdGBT.exe	70
PID 2144 wrote to memory of 3956	2144	og7XPB2MCgUdGBT.exe	70
PID 2144 wrote to memory of 3980	2144	og7XPB2MCgUdGBT.exe	71
PID 2144 wrote to memory of 3980	2144	og7XPB2MCgUdGBT.exe	71
PID 2144 wrote to memory of 3980	2144	og7XPB2MCgUdGBT.exe	71
PID 2144 wrote to memory of 3980	2144	og7XPB2MCgUdGBT.exe	71
PID 2144 wrote to memory of 3980	2144	og7XPB2MCgUdGBT.exe	71
PID 2144 wrote to memory of 3980	2144	og7XPB2MCgUdGBT.exe	71
PID 2144 wrote to memory of 3980	2144	og7XPB2MCgUdGBT.exe	71
PID 2144 wrote to memory of 3980	2144	og7XPB2MCgUdGBT.exe	71

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	og7XPB2MCgUdGBT.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	og7XPB2MCgUdGBT.exe

C:\Users\Admin\AppData\Local\Temp\og7XPB2MCgUdGBT.exe
"C:\Users\Admin\AppData\Local\Temp\og7XPB2MCgUdGBT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\og7XPB2MCgUdGBT.exe
  "{path}"
  2⤵
  PID:1536
- C:\Users\Admin\AppData\Local\Temp\og7XPB2MCgUdGBT.exe
  "{path}"
  2⤵
  PID:3792
- C:\Users\Admin\AppData\Local\Temp\og7XPB2MCgUdGBT.exe
  "{path}"
  2⤵
  PID:3956
- C:\Users\Admin\AppData\Local\Temp\og7XPB2MCgUdGBT.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2144-120-0x0000000005500000-0x00000000059FE000-memory.dmp

Download

memory/2144-124-0x0000000008FD0000-0x0000000009051000-memory.dmp

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memory/2144-119-0x00000000055A0000-0x00000000055A1000-memory.dmp

Download

memory/2144-115-0x0000000000B70000-0x0000000000B71000-memory.dmp

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memory/2144-121-0x00000000053F0000-0x00000000053F1000-memory.dmp

Download

memory/2144-122-0x0000000005740000-0x0000000005741000-memory.dmp

Download

memory/2144-118-0x0000000005A00000-0x0000000005A01000-memory.dmp

Download

memory/2144-117-0x0000000005410000-0x0000000005411000-memory.dmp

Download

memory/2144-123-0x00000000058B0000-0x00000000058BE000-memory.dmp

Download

memory/2144-125-0x000000000B7C0000-0x000000000B7F8000-memory.dmp

Download

memory/3980-126-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3980-133-0x0000000004FB0000-0x00000000054AE000-memory.dmp

Download

memory/3980-134-0x0000000005040000-0x0000000005041000-memory.dmp

Download

memory/3980-135-0x0000000005CA0000-0x0000000005CA1000-memory.dmp

Download