agenttesla | ab5adac9bbd6d03a643246f9e9addc6d687b12852a8844922fbd8798ac1e033b

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 01:13

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General

Target

PURCHASE ORDER 300136710.exe
Size

1006KB
MD5

a87229b37b8388f3687aaaa3c132ddf2
SHA1

1390ba7361af77f7d6dbe1b8613faaaec5bc8a47
SHA256

914ca6ae22e3e4d3b6e4fe8442dc7e176037ce54e98dfdec5510a179f4ef3c75
SHA512

ee8ff4c10150a3ea9fe5c2df88f353a7af28e462628602b7fd4e9f4be1e92445d31167ecfee01ae27e1579d800dc4a7b1e8d6dcbcef9944a37db36135096ecf8
SSDEEP

12288:12MKhM39TXsTAi2deLrLGAblJKLAP6ghYZ0zsEoxuj0A7JosuLsitF:0Maci2debGAnnLnzsEoAj0AFotLzF

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
2824	powershell.exe
2820	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 1 IoCs

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

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 2580	1868	PURCHASE ORDER 300136710.exe	36

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	PURCHASE ORDER 300136710.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PURCHASE ORDER 300136710.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
2876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2580	PURCHASE ORDER 300136710.exe
2580	PURCHASE ORDER 300136710.exe
2820	powershell.exe
2824	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	PURCHASE ORDER 300136710.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	2820	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2824	1868	PURCHASE ORDER 300136710.exe	30
PID 1868 wrote to memory of 2824	1868	PURCHASE ORDER 300136710.exe	30
PID 1868 wrote to memory of 2824	1868	PURCHASE ORDER 300136710.exe	30
PID 1868 wrote to memory of 2824	1868	PURCHASE ORDER 300136710.exe	30
PID 1868 wrote to memory of 2824	1868	PURCHASE ORDER 300136710.exe	30
PID 1868 wrote to memory of 2824	1868	PURCHASE ORDER 300136710.exe	30
PID 1868 wrote to memory of 2824	1868	PURCHASE ORDER 300136710.exe	30
PID 1868 wrote to memory of 2820	1868	PURCHASE ORDER 300136710.exe	32
PID 1868 wrote to memory of 2820	1868	PURCHASE ORDER 300136710.exe	32
PID 1868 wrote to memory of 2820	1868	PURCHASE ORDER 300136710.exe	32
PID 1868 wrote to memory of 2820	1868	PURCHASE ORDER 300136710.exe	32
PID 1868 wrote to memory of 2820	1868	PURCHASE ORDER 300136710.exe	32
PID 1868 wrote to memory of 2820	1868	PURCHASE ORDER 300136710.exe	32
PID 1868 wrote to memory of 2820	1868	PURCHASE ORDER 300136710.exe	32
PID 1868 wrote to memory of 2876	1868	PURCHASE ORDER 300136710.exe	34
PID 1868 wrote to memory of 2876	1868	PURCHASE ORDER 300136710.exe	34
PID 1868 wrote to memory of 2876	1868	PURCHASE ORDER 300136710.exe	34
PID 1868 wrote to memory of 2876	1868	PURCHASE ORDER 300136710.exe	34
PID 1868 wrote to memory of 2876	1868	PURCHASE ORDER 300136710.exe	34
PID 1868 wrote to memory of 2876	1868	PURCHASE ORDER 300136710.exe	34
PID 1868 wrote to memory of 2876	1868	PURCHASE ORDER 300136710.exe	34
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36
PID 1868 wrote to memory of 2580	1868	PURCHASE ORDER 300136710.exe	36

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 300136710.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 300136710.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- 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\PURCHASE ORDER 300136710.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HNkDZJwSy.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HNkDZJwSy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAADF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 300136710.exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 300136710.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2580

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAADF.tmp

Filesize
1KB

MD5
e143855c68f437ad3611b3fa546ba915

SHA1
9972e2cc76ea32279174dd01f6ddd450e7b3b386

SHA256
c53c33bf6a5dbcc75b2bdce486efd4c614f0bf8739767bbe455ba44a7c9fb074

SHA512
8b4a563528d1e8d4ee9a2350e557161c61c0229bd033cc0b5214a0e826e1e1842892c8f33c089c9ae64b4b3fd99829b7be45706a31d377579f5e05fbe20af96c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
3c4a726cb82975fd77babacbf24fc618

SHA1
f5cd84fd8d41599b2765d8b0de59ed0a89fd63b9

SHA256
bf2f716ee9f49bb98ac30bb3d9e9b5ed8fbb541ad01eaecbac56ba70450222e3

SHA512
2ad7d8c9dd3cf0d9caaadf356ca09bf8e89c90d89301ba81c82164cb3f20987ccbf59291a8ef47c8bef94a7eb2269b0088974403d7815cd074326664158337d7

Download Submit
memory/1868-0-0x0000000001090000-0x000000000118C000-memory.dmp

Filesize
1008KB

Download
memory/1868-1-0x0000000000510000-0x0000000000536000-memory.dmp

Filesize
152KB

Download
memory/1868-2-0x0000000000650000-0x00000000006D6000-memory.dmp

Filesize
536KB

Download
memory/2580-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2580-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2580-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2580-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2580-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2580-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2580-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download