agenttesla | b0cc00d4f8ef35f2efd557b3c03ab7f5ff474dd1fdfd81ef834563be5ee6efa5

Analysis

max time kernel
91s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 01:46

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General

Target

Purchase Order.exe
Size

934KB
MD5

f7f32729079353000cd97b90aa314cc1
SHA1

21dbddeea2b634263c8fbf0d6178a9751d2467b8
SHA256

8e29aa00863b1746ba25132f7ecb7bcb869d3a7e647dc8d6d3255491c5ac5212
SHA512

2c40c12b81e7c377ddf0a6691ebeedc895dcf02c9211a1563b840de735fab77968565b1d3d0c40cc0b2b583fd4bfa1c69f995fca758ea85f548bf5797b5bf847
SSDEEP

24576:U5dMbYk7zL1hJ5o/C+uOWiw5h6nnjqKoe:U5dkYk/phQ6+hIkjqKoe

Score

10^/10

agenttesla credential_access 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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2808	powershell.exe
2768	powershell.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 2744 set thread context of 2776	2744	Purchase Order.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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order.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

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
2788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2768	powershell.exe
2808	powershell.exe
2776	RegSvcs.exe
2776	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	powershell.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeDebugPrivilege	2776	RegSvcs.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2808	2744	Purchase Order.exe	30
PID 2744 wrote to memory of 2808	2744	Purchase Order.exe	30
PID 2744 wrote to memory of 2808	2744	Purchase Order.exe	30
PID 2744 wrote to memory of 2808	2744	Purchase Order.exe	30
PID 2744 wrote to memory of 2808	2744	Purchase Order.exe	30
PID 2744 wrote to memory of 2808	2744	Purchase Order.exe	30
PID 2744 wrote to memory of 2808	2744	Purchase Order.exe	30
PID 2744 wrote to memory of 2768	2744	Purchase Order.exe	32
PID 2744 wrote to memory of 2768	2744	Purchase Order.exe	32
PID 2744 wrote to memory of 2768	2744	Purchase Order.exe	32
PID 2744 wrote to memory of 2768	2744	Purchase Order.exe	32
PID 2744 wrote to memory of 2768	2744	Purchase Order.exe	32
PID 2744 wrote to memory of 2768	2744	Purchase Order.exe	32
PID 2744 wrote to memory of 2768	2744	Purchase Order.exe	32
PID 2744 wrote to memory of 2788	2744	Purchase Order.exe	33
PID 2744 wrote to memory of 2788	2744	Purchase Order.exe	33
PID 2744 wrote to memory of 2788	2744	Purchase Order.exe	33
PID 2744 wrote to memory of 2788	2744	Purchase Order.exe	33
PID 2744 wrote to memory of 2788	2744	Purchase Order.exe	33
PID 2744 wrote to memory of 2788	2744	Purchase Order.exe	33
PID 2744 wrote to memory of 2788	2744	Purchase Order.exe	33
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36
PID 2744 wrote to memory of 2776	2744	Purchase Order.exe	36

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- 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.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2808
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TESAYt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TESAYt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpABE9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2788
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2776

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

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpABE9.tmp

Filesize
1KB

MD5
ebb590f24b9e0c6909d6a2c1fd3c3839

SHA1
215e2b7e7ababf24c3226032e33491dafdf32761

SHA256
221327d54cf7256bb16442b0f561f588de7b56c0ad192a62aabb06fe55f3b696

SHA512
2ff59fa25fea634fc479585090d9092ac2280134b7fd751d60586ed2fd1bf55688b64fdbb0fc3bcb0dd9a5bc86afb96255b78dd1481070c74577287b9152681a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QBLTCHDVWBC1DPYKO94K.temp

Filesize
7KB

MD5
333f3aa6792f8f20769486064a7273fc

SHA1
a92a528f7f5efcf59abfe40848267af7e71bb873

SHA256
24067ef7368113594399e20f1495ca22f976cfd667e5ea54a8deacb6c6525a93

SHA512
45fefe22aa1464261eaae2b39efb7bf31874926cac0fa27df75bf27777116782ae719bcf3a0375c067c2b7a583727d5cf071037c95ca8ae5effa0605755da862

Download Submit
memory/2744-0-0x0000000000910000-0x00000000009FA000-memory.dmp

Filesize
936KB

Download
memory/2744-1-0x0000000000440000-0x0000000000450000-memory.dmp

Filesize
64KB

Download
memory/2744-2-0x0000000005790000-0x0000000005812000-memory.dmp

Filesize
520KB

Download
memory/2776-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2776-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2776-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2776-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2776-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2776-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2776-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download