agenttesla | db7a7c2986fc4cc9b8bd994d611b0da0159e61d70dce3973a30a2d78bba16965

Analysis

max time kernel
57s
max time network
52s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
11/07/2023, 11:32

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General

Target
PO 345678.exe
Size 655KB
Sample230711-nnad4agg29
SHA256 cb2cbedac34829b45dcc25735d79fb332bed3098741a7ca8a7954de5ceb894ec
MD5 e226b713f80fdd12e6adf47ef7d32fe6
SHA1 f4ee4d87dceccc95ccb71c2c2c86b3f5147ce22a
SHA512 4b1c44366eb7eb555c0c7b6566db33e20c74ab812bfdfe6b6af3315fdeacf2267272b0ac0c012f24acb3ea29c37cc7cd7cc8545fc0e3219b78fbe6268f13c23e
SSDEEP 12288:MXXYb56I7XBxmMXGUupfgD6ptZECbBQWd6x2h0abPh7D6P:Tt7XuMXGUu5RtJaE6xCPTW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.kbakr.com
Port
587
Username
[email protected]
Password
blessing2023
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-264077997-199365141-898621884-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 345678.exe
Key opened	\REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 345678.exe
Key opened	\REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 345678.exe

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\USER\S-1-5-21-264077997-199365141-898621884-1000\Software\Microsoft\Windows\CurrentVersion\Run\XnMvtpc = "C:\\Users\\Admin\\AppData\\Roaming\\XnMvtpc\\XnMvtpc.exe"	PO 345678.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 1088	3008	PO 345678.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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

pid	Process
2308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3008	PO 345678.exe
3008	PO 345678.exe
3008	PO 345678.exe
1144	powershell.exe
1088	PO 345678.exe
1088	PO 345678.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	PO 345678.exe
Token: SeDebugPrivilege	1088	PO 345678.exe
Token: SeDebugPrivilege	1144	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1144	3008	PO 345678.exe	29
PID 3008 wrote to memory of 1144	3008	PO 345678.exe	29
PID 3008 wrote to memory of 1144	3008	PO 345678.exe	29
PID 3008 wrote to memory of 1144	3008	PO 345678.exe	29
PID 3008 wrote to memory of 2308	3008	PO 345678.exe	31
PID 3008 wrote to memory of 2308	3008	PO 345678.exe	31
PID 3008 wrote to memory of 2308	3008	PO 345678.exe	31
PID 3008 wrote to memory of 2308	3008	PO 345678.exe	31
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33
PID 3008 wrote to memory of 1088	3008	PO 345678.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 345678.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 345678.exe

C:\Users\Admin\AppData\Local\Temp\PO 345678.exe
"C:\Users\Admin\AppData\Local\Temp\PO 345678.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\szBqpRdsKFXPtk.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1144
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\szBqpRdsKFXPtk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0D9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2308
- C:\Users\Admin\AppData\Local\Temp\PO 345678.exe
  "C:\Users\Admin\AppData\Local\Temp\PO 345678.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1088

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

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

tmpB0D9.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB0D9.tmp
Size 1KB
SHA256 07a10818e89311a3e935d0beacd1802225c9d189ccd9b191e7acf32e2b1426ed
MD5 3c615d03c82b683ad35c02f11b5fb9e1
SHA1 1f573fd9874563ee26a391fe251945b43420498c
SHA512 88d36cf7ca0ab3946ef4b9498eb1ccd46b8527d1085d4951d3634e206370284645c0209812a16c7d9521792c8ed513adb79774a4a10d57b08500e637e07138d9
MD5 SHA1 SHA512

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memory/1088-70-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1088-74-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1088-80-0x0000000000B00000-0x0000000000B40000-memory.dmp

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memory/1088-77-0x0000000000B00000-0x0000000000B40000-memory.dmp

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memory/1088-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1088-72-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1088-65-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1088-66-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1088-67-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1088-68-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1144-78-0x00000000022C0000-0x0000000002300000-memory.dmp

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memory/3008-56-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

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memory/3008-54-0x0000000000C20000-0x0000000000CC8000-memory.dmp

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memory/3008-55-0x0000000000250000-0x000000000025C000-memory.dmp

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memory/3008-59-0x0000000004D80000-0x0000000004DEA000-memory.dmp

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memory/3008-58-0x0000000000360000-0x000000000036A000-memory.dmp

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memory/3008-57-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

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