agenttesla | 39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a

Analysis

max time kernel
37s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 10:13

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General

Target

39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
Size

1.5MB
MD5

3711d493ece51189015ae9e2da25bef9
SHA1

0235c2c6fd65a6ba5ba656c8d3fdbbc88e427126
SHA256

39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a
SHA512

b61a0908d38246c9e45c75749778aa10fd915545fc7ebc7234bcf2c06e04dfe2cee61f97141f43ff2821fa1a41eddb5a149a996ec7df35f98e6d9b18c43ced64
SSDEEP

49152:ajVdg/P5S41dgMOjs5Ljda/pB2zhPX1jqKoe:uVq/P5XP9Ojada/WzhPFjqKoe

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2336	powershell.exe
2820	powershell.exe
1576	powershell.exe
2456	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 2 IoCs

description	pid	Process	procid_target
PID 2376 set thread context of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2956 set thread context of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42

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 9 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	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.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	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
600	schtasks.exe
2908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2336	powershell.exe
2820	powershell.exe
1576	powershell.exe
2456	powershell.exe
2244	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
2244	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	1576	powershell.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	2244	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2336	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	29
PID 2376 wrote to memory of 2336	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	29
PID 2376 wrote to memory of 2336	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	29
PID 2376 wrote to memory of 2336	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	29
PID 2376 wrote to memory of 2820	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	31
PID 2376 wrote to memory of 2820	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	31
PID 2376 wrote to memory of 2820	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	31
PID 2376 wrote to memory of 2820	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	31
PID 2376 wrote to memory of 2908	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	33
PID 2376 wrote to memory of 2908	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	33
PID 2376 wrote to memory of 2908	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	33
PID 2376 wrote to memory of 2908	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	33
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2376 wrote to memory of 2956	2376	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	35
PID 2956 wrote to memory of 1576	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	36
PID 2956 wrote to memory of 1576	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	36
PID 2956 wrote to memory of 1576	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	36
PID 2956 wrote to memory of 1576	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	36
PID 2956 wrote to memory of 2456	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	38
PID 2956 wrote to memory of 2456	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	38
PID 2956 wrote to memory of 2456	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	38
PID 2956 wrote to memory of 2456	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	38
PID 2956 wrote to memory of 600	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	40
PID 2956 wrote to memory of 600	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	40
PID 2956 wrote to memory of 600	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	40
PID 2956 wrote to memory of 600	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	40
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42
PID 2956 wrote to memory of 2244	2956	39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe	42

C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
"C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- 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\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2336
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ywHNQkbNkv.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\ywHNQkbNkv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp756E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2908
- C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
  "C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2956
- - 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\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1576
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2456
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC94.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:600
- - C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
    "C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2244

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\tmp756E.tmp

Filesize
1KB

MD5
b3b8b1ccd82a0c665106a70f742e7f56

SHA1
dc6e8ea3cb87f94d0721f88976c34fd4f87a1ecf

SHA256
7aed4bbb749c865fa748e8f3b421b1568c2235cbca7d3d18db9947776c9db762

SHA512
789260846b9b5086c07ea4094918f15ebe7450f82197d08b5cfb30b4d7c6b41f17f8fe0c270456cb0f5b87e09b873c2e201cb16038383e7a3ffc2358a52efcb9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAC94.tmp

Filesize
1KB

MD5
6b9803616e6901a8e90c6f16cfc2e8e5

SHA1
85834419ff29a732148ad296037f2dfe0afe1dbf

SHA256
59712af0b1385242f45701909a10b33ec23c3dda752c04033de88d374356d685

SHA512
8cd7a826b22cc76f5502764fde1f0f9e591adb6ce4c082dae5ce3534f8e922def947d02b9908f03b79af9d79f3fde0029a3cd96fafdbfedea270bface44fa198

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

Filesize
7KB

MD5
6cb22281cd587566185eb6c7040cae4f

SHA1
61271b75f5013111240ef20ad1059698fc5c119d

SHA256
63ffbad3abf16793b97a087f119baee120571e2807bd5d02d63e6de8fca33485

SHA512
0f1a1c9987802056b9567e04602a100972b69f8409466b4972dc56e164634691a985e168ba5b72891d287418bb2aafb6b4777102cc9d3832c295be5a58e3e749

Download Submit
C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

Filesize
1.5MB

MD5
3711d493ece51189015ae9e2da25bef9

SHA1
0235c2c6fd65a6ba5ba656c8d3fdbbc88e427126

SHA256
39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a

SHA512
b61a0908d38246c9e45c75749778aa10fd915545fc7ebc7234bcf2c06e04dfe2cee61f97141f43ff2821fa1a41eddb5a149a996ec7df35f98e6d9b18c43ced64

Download Submit
memory/2244-50-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2244-56-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2244-52-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2244-54-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2244-60-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2244-62-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2244-59-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2376-6-0x0000000005830000-0x0000000005946000-memory.dmp

Filesize
1.1MB

Download
memory/2376-4-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2376-2-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2376-3-0x00000000002C0000-0x00000000002D2000-memory.dmp

Filesize
72KB

Download
memory/2376-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2376-30-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2376-1-0x0000000001050000-0x00000000011DC000-memory.dmp

Filesize
1.5MB

Download
memory/2376-5-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2956-28-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2956-33-0x00000000053F0000-0x0000000005472000-memory.dmp

Filesize
520KB

Download
memory/2956-32-0x0000000000530000-0x0000000000540000-memory.dmp

Filesize
64KB

Download
memory/2956-31-0x0000000005040000-0x00000000050E0000-memory.dmp

Filesize
640KB

Download
memory/2956-29-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2956-19-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2956-20-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

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memory/2956-22-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

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memory/2956-24-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

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memory/2956-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

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memory/2956-27-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

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