agenttesla | 7df1b33f35a3ca87f9242153c847cc0d8e1d45c7e3b5c5ecf9f23bddbf94b052

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23/09/2024, 10:06

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General

Target
PI #OVES1912196.scr.exe
Size 826KB
Sample240923-l43dpsthpp
SHA256 7df1b33f35a3ca87f9242153c847cc0d8e1d45c7e3b5c5ecf9f23bddbf94b052
MD5 1b136a73f10f2b2b837c46161eceaba9
SHA1 0bb6bfbd1a79432f03e1b51f697f664a628a5e90
SHA512 30a82ab4146edf04179f53dc0527baf9b7bb8c82288009cb6704c47ba1c735ca96a57206a739d209b7ed3615ae52847d2f4a0ec8b1e889d06b323051ee344e30
SSDEEP 24576:wiHxlaIGgVnElx5T6GMgitt8p10uF2VtQ/2:wiHxlaHl/6GtitGf0uF2VtQ/2
MD5 SHA1 SHA512 SSDEEP

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
BIGNAIRA2024
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
2896	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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 480	2736	PI #OVES1912196.scr.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PI #OVES1912196.scr.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
2764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2736	PI #OVES1912196.scr.exe
2736	PI #OVES1912196.scr.exe
2896	powershell.exe
2704	powershell.exe
2736	PI #OVES1912196.scr.exe
480	RegSvcs.exe
480	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	PI #OVES1912196.scr.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	480	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2896	2736	PI #OVES1912196.scr.exe	30
PID 2736 wrote to memory of 2896	2736	PI #OVES1912196.scr.exe	30
PID 2736 wrote to memory of 2896	2736	PI #OVES1912196.scr.exe	30
PID 2736 wrote to memory of 2896	2736	PI #OVES1912196.scr.exe	30
PID 2736 wrote to memory of 2704	2736	PI #OVES1912196.scr.exe	32
PID 2736 wrote to memory of 2704	2736	PI #OVES1912196.scr.exe	32
PID 2736 wrote to memory of 2704	2736	PI #OVES1912196.scr.exe	32
PID 2736 wrote to memory of 2704	2736	PI #OVES1912196.scr.exe	32
PID 2736 wrote to memory of 2764	2736	PI #OVES1912196.scr.exe	34
PID 2736 wrote to memory of 2764	2736	PI #OVES1912196.scr.exe	34
PID 2736 wrote to memory of 2764	2736	PI #OVES1912196.scr.exe	34
PID 2736 wrote to memory of 2764	2736	PI #OVES1912196.scr.exe	34
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36
PID 2736 wrote to memory of 480	2736	PI #OVES1912196.scr.exe	36

C:\Users\Admin\AppData\Local\Temp\PI #OVES1912196.scr.exe
"C:\Users\Admin\AppData\Local\Temp\PI #OVES1912196.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736
- 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\PI #OVES1912196.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2896
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OKOdVL.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\OKOdVL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFDF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2764
- 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:480

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

tmpAFDF.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpAFDF.tmp
Size 1KB
SHA256 5eb2454e0e865d57c746255424e08faa6c8dcaf1286e0c9c7acf4a3cfdfdeb0e
MD5 e28ab7c7bdec48dbf4ac7f20c7f6ea21
SHA1 052940f5dd1af4edecdf5a2e254b90cfa46ac81f
SHA512 4f5d35a9b15d0cbb7ee595fd8e780a624170283cefe3327c1c2cbf9efeeffe827c584068892c458f9178c75f5461ce87bd9956c6eb578d128dcb1712851a37a3
MD5 SHA1 SHA512

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d93f411851d7c929.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Size 7KB
SHA256 c5a5b99723bc6e927e61a78be65c57330e93e3a30ef77646efe74a07f6a46ad3
MD5 9410e43d5897ddc096fbe155c3642871
SHA1 e94184c1cd9862b6b9a801acfd0a327022a55923
SHA512 7a81cab962292d2d6bbf081a54d4b7d236fe51656de8aac500ca11331b10d23805f0f0b7cf7d0122e24d0bf38b63601bfc241b24d9bbea8683bfd457c583ea3e
SSDEEP 96:QUOnGC5M8bnqvsqvJCwoPlUOnGC5M8bnqvsEHyqvJCwordKSIHQHZK75eXlUVqT:wnHvUo3nHvAHnorkBAK75ev
MD5 SHA1 SHA512 SSDEEP

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memory/480-28-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/480-31-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/480-21-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/480-23-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/480-25-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/480-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/480-29-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/480-19-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2736-6-0x00000000051F0000-0x0000000005272000-memory.dmp

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memory/2736-1-0x00000000011B0000-0x0000000001284000-memory.dmp

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memory/2736-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

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memory/2736-2-0x0000000074C30000-0x000000007531E000-memory.dmp

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memory/2736-3-0x00000000004B0000-0x00000000004C2000-memory.dmp

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memory/2736-5-0x0000000074C30000-0x000000007531E000-memory.dmp

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memory/2736-4-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

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memory/2736-32-0x0000000074C30000-0x000000007531E000-memory.dmp

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