agenttesla | c6ca7a0c812b140b8d3e1f7ceb12f0efe6bc0f564c6312814bc9dba1255e8788

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/12/2024, 04:32

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General

Target
Overdue_payment.pdf.exe
Size 839KB
Sample241207-e5ynksskgr
SHA256 c6ca7a0c812b140b8d3e1f7ceb12f0efe6bc0f564c6312814bc9dba1255e8788
MD5 8b57457c486a24230c0fcc907ee84062
SHA1 aab3ba33f51878f115eb64f3d3adf3ce90f306fb
SHA512 3101846ce3a5a40b9c851671d6d3a0ee15567b276b809be844b875139d14961d76d9a55c4669cc5f1c40da00b1b028f12a37c10ab37db0dfc65f7ea94c142c36
SSDEEP 12288:ePGzJe7dETlnrPtl16CtyEZOnwwvxWs6xyCx2BU3QeFh7j6wIF:dUmTxLvw19nwwAdoCx2e3jiJF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.iaa-airferight.com
Port
587
Username
[email protected]
Password
webmaster
Email to
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2476	powershell.exe
2708	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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 3 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

Credentials from Web Browsers
T1555.003

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 1724 set thread context of 2652	1724	Overdue_payment.pdf.exe	38

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Overdue_payment.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Overdue_payment.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1724	Overdue_payment.pdf.exe
1724	Overdue_payment.pdf.exe
2708	powershell.exe
2476	powershell.exe
2652	Overdue_payment.pdf.exe
2652	Overdue_payment.pdf.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	Overdue_payment.pdf.exe
Token: SeDebugPrivilege	2652	Overdue_payment.pdf.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2476	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2476	1724	Overdue_payment.pdf.exe	31
PID 1724 wrote to memory of 2476	1724	Overdue_payment.pdf.exe	31
PID 1724 wrote to memory of 2476	1724	Overdue_payment.pdf.exe	31
PID 1724 wrote to memory of 2476	1724	Overdue_payment.pdf.exe	31
PID 1724 wrote to memory of 2708	1724	Overdue_payment.pdf.exe	33
PID 1724 wrote to memory of 2708	1724	Overdue_payment.pdf.exe	33
PID 1724 wrote to memory of 2708	1724	Overdue_payment.pdf.exe	33
PID 1724 wrote to memory of 2708	1724	Overdue_payment.pdf.exe	33
PID 1724 wrote to memory of 2748	1724	Overdue_payment.pdf.exe	34
PID 1724 wrote to memory of 2748	1724	Overdue_payment.pdf.exe	34
PID 1724 wrote to memory of 2748	1724	Overdue_payment.pdf.exe	34
PID 1724 wrote to memory of 2748	1724	Overdue_payment.pdf.exe	34
PID 1724 wrote to memory of 2908	1724	Overdue_payment.pdf.exe	37
PID 1724 wrote to memory of 2908	1724	Overdue_payment.pdf.exe	37
PID 1724 wrote to memory of 2908	1724	Overdue_payment.pdf.exe	37
PID 1724 wrote to memory of 2908	1724	Overdue_payment.pdf.exe	37
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38
PID 1724 wrote to memory of 2652	1724	Overdue_payment.pdf.exe	38

C:\Users\Admin\AppData\Local\Temp\Overdue_payment.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Overdue_payment.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Overdue_payment.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2476
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lxZwKFTCWa.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lxZwKFTCWa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF4F9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\Overdue_payment.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Overdue_payment.pdf.exe"
  2⤵
  PID:2908
- C:\Users\Admin\AppData\Local\Temp\Overdue_payment.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Overdue_payment.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

tmpF4F9.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpF4F9.tmp
Size 1KB
SHA256 baf01b264dd48352d506056d6142b3845666e0eaf31bb09d8aa903dc530092ae
MD5 9b2dc0024f63b101ede509bc299e5798
SHA1 3baaaf058e1cad72bbb3208e21a880c62551cc8b
SHA512 9a6a449b30b964b1a4191b4f8680d63fa3c866ccdc7e5ecd92c5273dc47d7cf9713f7e1898aff3e6bbb4eff5e14a8fd22ce5851840cc4412f36aab645121a941
MD5 SHA1 SHA512

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XCCV2VIJU61A15RPWOU4.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\XCCV2VIJU61A15RPWOU4.temp
Size 7KB
SHA256 24240892902e278860f83ebe7534f0b60476ab34fef9323d03c6cc882f4afcba
MD5 1f515fce55bd492bc51d9d8ddcb9fb97
SHA1 18f5270c5a0726498c06863f5d04b42a2d6dc7d5
SHA512 d36835d0cfe2d014b0c874950b5d4ee07cd99cbd47677a606db1781bf8337221d9cf9b7374f45d0a747dfcd9f78f5923aa54a524b623eb33674ede4b1cd158e0
SSDEEP 96:cRb6Cx3M8qv3nqvsqvJCwol2Rb6Cx3M8qv3nqvsEHyqvJCwor3VOg2v3QHQJg7B0:kn3KUolan3KAHnor3VkhJg7BXKP
MD5 SHA1 SHA512 SSDEEP

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memory/1724-4-0x000000007463E000-0x000000007463F000-memory.dmp

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memory/1724-32-0x0000000074630000-0x0000000074D1E000-memory.dmp

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memory/1724-0-0x000000007463E000-0x000000007463F000-memory.dmp

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memory/1724-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

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memory/1724-6-0x0000000005430000-0x00000000054B6000-memory.dmp

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memory/1724-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

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memory/1724-1-0x0000000001200000-0x00000000012D6000-memory.dmp

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memory/1724-3-0x0000000000420000-0x0000000000438000-memory.dmp

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memory/2652-29-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2652-28-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2652-25-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2652-23-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2652-21-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2652-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2652-31-0x0000000000400000-0x0000000000440000-memory.dmp

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