agenttesla | b0cc00d4f8ef35f2efd557b3c03ab7f5ff474dd1fdfd81ef834563be5ee6efa5

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 10:57

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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
2912	powershell.exe
2704	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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2080	2116	Purchase Order.exe	37

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
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2116	Purchase Order.exe
2116	Purchase Order.exe
2912	powershell.exe
2704	powershell.exe
2080	RegSvcs.exe
2080	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	Purchase Order.exe
Token: SeDebugPrivilege	2912	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2080	RegSvcs.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2912	2116	Purchase Order.exe	30
PID 2116 wrote to memory of 2912	2116	Purchase Order.exe	30
PID 2116 wrote to memory of 2912	2116	Purchase Order.exe	30
PID 2116 wrote to memory of 2912	2116	Purchase Order.exe	30
PID 2116 wrote to memory of 2912	2116	Purchase Order.exe	30
PID 2116 wrote to memory of 2912	2116	Purchase Order.exe	30
PID 2116 wrote to memory of 2912	2116	Purchase Order.exe	30
PID 2116 wrote to memory of 2704	2116	Purchase Order.exe	32
PID 2116 wrote to memory of 2704	2116	Purchase Order.exe	32
PID 2116 wrote to memory of 2704	2116	Purchase Order.exe	32
PID 2116 wrote to memory of 2704	2116	Purchase Order.exe	32
PID 2116 wrote to memory of 2704	2116	Purchase Order.exe	32
PID 2116 wrote to memory of 2704	2116	Purchase Order.exe	32
PID 2116 wrote to memory of 2704	2116	Purchase Order.exe	32
PID 2116 wrote to memory of 2688	2116	Purchase Order.exe	34
PID 2116 wrote to memory of 2688	2116	Purchase Order.exe	34
PID 2116 wrote to memory of 2688	2116	Purchase Order.exe	34
PID 2116 wrote to memory of 2688	2116	Purchase Order.exe	34
PID 2116 wrote to memory of 2688	2116	Purchase Order.exe	34
PID 2116 wrote to memory of 2688	2116	Purchase Order.exe	34
PID 2116 wrote to memory of 2688	2116	Purchase Order.exe	34
PID 2116 wrote to memory of 1256	2116	Purchase Order.exe	36
PID 2116 wrote to memory of 1256	2116	Purchase Order.exe	36
PID 2116 wrote to memory of 1256	2116	Purchase Order.exe	36
PID 2116 wrote to memory of 1256	2116	Purchase Order.exe	36
PID 2116 wrote to memory of 1256	2116	Purchase Order.exe	36
PID 2116 wrote to memory of 1256	2116	Purchase Order.exe	36
PID 2116 wrote to memory of 1256	2116	Purchase Order.exe	36
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37
PID 2116 wrote to memory of 2080	2116	Purchase Order.exe	37

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- 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:2912
- 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:2704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TESAYt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp45B7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1256
- 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:2080

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp45B7.tmp

Filesize
1KB

MD5
ff8a90e29fb0e65a3b6f7d18edd56f7b

SHA1
28a28f2ba97fd6906a351d17fd80cdb94d2ad7fe

SHA256
59db1ae17ff91db2291d43bff88509b0909216b8c30a2af1d4f90370b9f471e9

SHA512
ae08dfe6a3588b5164103693bb6d46fd99b53df627720ad4f5fb66728d6bbd5fd869bc40945893d1c909d9b95858e28fe0b87237f2101c850affda002ac27128

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

Filesize
7KB

MD5
6aab6933f2e73b29dfe9262034b3a722

SHA1
b2f32ce050fee4bf22c4f418b536be9a1aff8a19

SHA256
827b4206f975812a7c5aec6ca9f7d0af9b85c7e418a52cc81190306c3bd7bdd2

SHA512
aacc6737a17a7c6ebb92c65e5990c1fc7e98035ee3b90549c47ade353ec6cf8e741c12cb62a7cb2e350d6110b1a99e5f71225b96a2b05057a0063719c4686f76

Download Submit
memory/2080-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-27-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2116-2-0x0000000005750000-0x00000000057D2000-memory.dmp

Filesize
520KB

Download
memory/2116-1-0x0000000000520000-0x0000000000530000-memory.dmp

Filesize
64KB

Download
memory/2116-0-0x0000000001180000-0x000000000126A000-memory.dmp

Filesize
936KB

Download