agenttesla | d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

Analysis

max time kernel
119s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 07:12

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General

Target

Purchase order.exe
Size

1.5MB
MD5

fb3ad7e9cb5938ad1af8facf52693b27
SHA1

4a45c5429a503e8730ebc5261441e91b963510d1
SHA256

d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793
SHA512

bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60
SSDEEP

24576:8IFcjHUVcxTE59dcvuc8kXeRYPps4GY4a9qJVX8ScEhAs3PseK0dHosEfzbm:8IFczdarcW/hySXYh9UPvhAKPFFOsw

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
2748	powershell.exe
2960	powershell.exe
2832	powershell.exe
2916	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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 1008	2824	Purchase order.exe	36
PID 1008 set thread context of 2260	1008	Purchase order.exe	44

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	Purchase order.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	powershell.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	Purchase order.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
2820	schtasks.exe
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2748	powershell.exe
2916	powershell.exe
2960	powershell.exe
2832	powershell.exe
2260	Purchase order.exe
2260	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	powershell.exe
Token: SeDebugPrivilege	2916	powershell.exe
Token: SeDebugPrivilege	2960	powershell.exe
Token: SeDebugPrivilege	2832	powershell.exe
Token: SeDebugPrivilege	2260	Purchase order.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2916	2824	Purchase order.exe	30
PID 2824 wrote to memory of 2916	2824	Purchase order.exe	30
PID 2824 wrote to memory of 2916	2824	Purchase order.exe	30
PID 2824 wrote to memory of 2916	2824	Purchase order.exe	30
PID 2824 wrote to memory of 2748	2824	Purchase order.exe	32
PID 2824 wrote to memory of 2748	2824	Purchase order.exe	32
PID 2824 wrote to memory of 2748	2824	Purchase order.exe	32
PID 2824 wrote to memory of 2748	2824	Purchase order.exe	32
PID 2824 wrote to memory of 2820	2824	Purchase order.exe	34
PID 2824 wrote to memory of 2820	2824	Purchase order.exe	34
PID 2824 wrote to memory of 2820	2824	Purchase order.exe	34
PID 2824 wrote to memory of 2820	2824	Purchase order.exe	34
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 2824 wrote to memory of 1008	2824	Purchase order.exe	36
PID 1008 wrote to memory of 2960	1008	Purchase order.exe	38
PID 1008 wrote to memory of 2960	1008	Purchase order.exe	38
PID 1008 wrote to memory of 2960	1008	Purchase order.exe	38
PID 1008 wrote to memory of 2960	1008	Purchase order.exe	38
PID 1008 wrote to memory of 2832	1008	Purchase order.exe	40
PID 1008 wrote to memory of 2832	1008	Purchase order.exe	40
PID 1008 wrote to memory of 2832	1008	Purchase order.exe	40
PID 1008 wrote to memory of 2832	1008	Purchase order.exe	40
PID 1008 wrote to memory of 2868	1008	Purchase order.exe	42
PID 1008 wrote to memory of 2868	1008	Purchase order.exe	42
PID 1008 wrote to memory of 2868	1008	Purchase order.exe	42
PID 1008 wrote to memory of 2868	1008	Purchase order.exe	42
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44
PID 1008 wrote to memory of 2260	1008	Purchase order.exe	44

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:2824
- 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:2916
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eouOCEx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eouOCEx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0D1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1008
- - 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"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2960
- - 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:2832
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD1EF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2868
- - C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2260

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\tmpA0D1.tmp

Filesize
1KB

MD5
71031ca9df2e09cb48cc8fda6d8fe6f3

SHA1
09da2258de5d5f80d26e184e8612fc64cecd987d

SHA256
12d84aa4ab25f5937c89fce56915be6aab382a77684ec918017707b68c00d9f6

SHA512
3b23acc824155ab6259c096e623d0d49f9e6d8ab532876792f276246dee0ad84948e41c654d9410377bbf68e3c43e27545c68c7283e9479fbc10f6e6c7a404f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD1EF.tmp

Filesize
1KB

MD5
6510e001a9401425a8d90e111a1abbf0

SHA1
6ef12842eb3d52ceab104363b73302250f266b36

SHA256
41244bff1a8feae53de94048ab6bfb98eec791a888fd6fbbac4f690228d1942d

SHA512
a9ad890a2dd54b6486afc9145451e319f5b5e74a912628e9161d221b0da0dfa839da176447df87cdc88cc7b5cd392f1ac74da484319b12305aabae2072ce2314

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\I83H80S1MDWL9BGA3Q6L.temp

Filesize
7KB

MD5
451973c3c0a777ce5cec7876410627e4

SHA1
a698ecc4175fc2d1368e923b38a3dc39505477d7

SHA256
312b4a9c8d348c0879467184a93216a7fef881af66ceef176aa38003de7d940e

SHA512
4e111c0b3d7d70da30ae8037996ce03f6060e7be44128776d5f88fb4783735e99137c44831df36e429222dc5fcb3b18e60edf0bade04d4949579a45edcd81224

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

Filesize
1.5MB

MD5
fb3ad7e9cb5938ad1af8facf52693b27

SHA1
4a45c5429a503e8730ebc5261441e91b963510d1

SHA256
d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

SHA512
bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60

Download Submit
memory/1008-30-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1008-34-0x00000000054E0000-0x0000000005562000-memory.dmp

Filesize
520KB

Download
memory/1008-33-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1008-32-0x00000000051B0000-0x0000000005250000-memory.dmp

Filesize
640KB

Download
memory/1008-28-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1008-19-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1008-29-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1008-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1008-25-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1008-23-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1008-21-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2260-57-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2260-55-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2260-60-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2260-63-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2260-53-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2260-51-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2260-61-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2824-31-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-6-0x0000000007DC0000-0x0000000007ED6000-memory.dmp

Filesize
1.1MB

Download
memory/2824-1-0x0000000000EB0000-0x0000000001032000-memory.dmp

Filesize
1.5MB

Download
memory/2824-5-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2824-2-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-3-0x00000000009A0000-0x00000000009B2000-memory.dmp

Filesize
72KB

Download
memory/2824-4-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download