agenttesla | 1984e19ba7d38230238171cf956907134269323cbead0eaf3c2282506f950d95

Analysis

max time kernel
128s
max time network
117s
platform
windows7_x64
resource
win7-en-20210920
submitted
12/10/2021, 12:20

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General

Target
Purchase order 4102543264.exe
Size 629KB
Sample211012-pht2zscch8
SHA256 1984e19ba7d38230238171cf956907134269323cbead0eaf3c2282506f950d95
MD5 0edf722f4870552e4d353492c0dc124d
SHA1 3dde0ae1a64cf262ee265d4ccfa07f4bd9b3a40f
SHA512 8d6f9c1b64e02e768289e11b76dff1853f9708fd8e0c1f433baeb4fcca3fb4321869fb33e20b964dbc011bcb6da47b38d618d628f4d82bc54b5687425be4ec4f
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.tniexpressworldwide.com
Port
587
Username
[email protected]
Password
DeEPFYi3

Signatures

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

AgentTesla Payload 5 IoCs

resource	yara_rule
behavioral1/memory/1724-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-66-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/1724-67-0x0000000000400000-0x000000000043C000-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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order 4102543264.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order 4102543264.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order 4102543264.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 1724	2040	Purchase order 4102543264.exe	29

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2040	Purchase order 4102543264.exe
2040	Purchase order 4102543264.exe
2040	Purchase order 4102543264.exe
1724	Purchase order 4102543264.exe
1724	Purchase order 4102543264.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	Purchase order 4102543264.exe
Token: SeDebugPrivilege	1724	Purchase order 4102543264.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1000	2040	Purchase order 4102543264.exe	27
PID 2040 wrote to memory of 1000	2040	Purchase order 4102543264.exe	27
PID 2040 wrote to memory of 1000	2040	Purchase order 4102543264.exe	27
PID 2040 wrote to memory of 1000	2040	Purchase order 4102543264.exe	27
PID 2040 wrote to memory of 1736	2040	Purchase order 4102543264.exe	28
PID 2040 wrote to memory of 1736	2040	Purchase order 4102543264.exe	28
PID 2040 wrote to memory of 1736	2040	Purchase order 4102543264.exe	28
PID 2040 wrote to memory of 1736	2040	Purchase order 4102543264.exe	28
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29
PID 2040 wrote to memory of 1724	2040	Purchase order 4102543264.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order 4102543264.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order 4102543264.exe

C:\Users\Admin\AppData\Local\Temp\Purchase order 4102543264.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order 4102543264.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\Purchase order 4102543264.exe
  "{path}"
  2⤵
  PID:1000
- C:\Users\Admin\AppData\Local\Temp\Purchase order 4102543264.exe
  "{path}"
  2⤵
  PID:1736
- C:\Users\Admin\AppData\Local\Temp\Purchase order 4102543264.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1724

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/1724-64-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1724-62-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1724-70-0x0000000004BE1000-0x0000000004BE2000-memory.dmp

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memory/1724-69-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

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memory/1724-67-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1724-63-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1724-65-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1724-61-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/2040-54-0x0000000001330000-0x0000000001331000-memory.dmp

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memory/2040-56-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

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memory/2040-60-0x0000000000A20000-0x0000000000A58000-memory.dmp

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memory/2040-59-0x0000000005E30000-0x0000000005EAF000-memory.dmp

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memory/2040-58-0x00000000003E0000-0x00000000003EE000-memory.dmp

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memory/2040-57-0x00000000005E0000-0x00000000005E1000-memory.dmp

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