agenttesla | 070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
03/08/2024, 01:02

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General

Target

070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe
Size

2.3MB
MD5

a39ae54553e77f5a065dce53e7e319be
SHA1

599ab92de717371347277109cfa01ddd725eb4d5
SHA256

070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d
SHA512

cfcda8ea0045c9df66631344f3c7b4f18cb2574bbdd8dbd5511ead9d38479b564837930dbf4974efb48d300bd7d2dafd514d36df972878d14b6777baee9df81e
SSDEEP

49152:oWiP0wV0hJ5VGx6ODJ1+cEtWX33oG1SdAoKl6G2:CVUcnab+O

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://inhanoi.net.vn
Port:
21
Username:
[email protected]
Password:
^TSt3!FK$UBA

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
2508	powershell.exe
320	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 2 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

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org
7	api.ipify.org
4	api.ipify.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2652 set thread context of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43

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 2 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	regasm.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1520	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2508	powershell.exe
2728	regsvcs.exe
2728	regsvcs.exe
320	powershell.exe
2872	regasm.exe
2872	regasm.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	powershell.exe
Token: SeDebugPrivilege	2728	regsvcs.exe
Token: SeDebugPrivilege	320	powershell.exe
Token: SeDebugPrivilege	2872	regasm.exe
Token: SeDebugPrivilege	1520	taskkill.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2508	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	32
PID 2120 wrote to memory of 2508	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	32
PID 2120 wrote to memory of 2508	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	32
PID 2120 wrote to memory of 560	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	34
PID 2120 wrote to memory of 560	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	34
PID 2120 wrote to memory of 560	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	34
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2120 wrote to memory of 2728	2120	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	35
PID 2652 wrote to memory of 320	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	40
PID 2652 wrote to memory of 320	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	40
PID 2652 wrote to memory of 320	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	40
PID 2652 wrote to memory of 2028	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	42
PID 2652 wrote to memory of 2028	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	42
PID 2652 wrote to memory of 2028	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	42
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43
PID 2652 wrote to memory of 2872	2652	070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe	43

C:\Users\Admin\AppData\Local\Temp\070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe
"C:\Users\Admin\AppData\Local\Temp\070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2508
- \??\c:\windows\system32\cmstp.exe
  c:\windows\system32\cmstp.exe /au C:\windows\temp\485521426.inf
  2⤵
  PID:560
- 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:2728

C:\Users\Admin\AppData\Local\Temp\070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe
C:\Users\Admin\AppData\Local\Temp\070bd174fce58698d2b3c167429dbd7569e919d4b02360ca450182e05511435d.exe
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:320
- \??\c:\windows\system32\cmstp.exe
  c:\windows\system32\cmstp.exe /au C:\windows\temp\1917759889.inf
  2⤵
  PID:2028
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2872

C:\Windows\system32\taskkill.exe
taskkill /IM cmstp.exe /F
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
4c548e4cb1a2dddf013c0dfdb9927c13

SHA1
8a6cb731c6a87a9d5d35aba9c9af2ba6f68f98fe

SHA256
1de9fa7affd3e6ff9401087d0874b30b1917f9ccb8507e78930466d58d04eb97

SHA512
3c2fa895d5fd1043f7a26421adce9d3bf96cb8f8fa78037fbee5659418144ebed230d63d13312324c2fb46aba743f038b006d1b0228ea00b734c02241b0497c1

Download Submit
C:\windows\temp\485521426.inf

Filesize
581B

MD5
2719a1bf2530975ec3b652587ff93e03

SHA1
7241a85dd540cfc4e7049666d37bc12a1edcb634

SHA256
51a07331201d59bf20faea2e6fbe076ecfcb04d976619e30c859a8f50d67bc30

SHA512
f5c676d2c3adcb800e60bb59e0907f1030b21a1ff4f8c65b6d6097004cc5000cbd94451be4cd6d8b47d36dee8c5d994881707d591e6d8a0509a3b43e5be22e66

Download Submit
memory/320-26-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download
memory/320-25-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

Filesize
2.9MB

Download
memory/2508-19-0x000007FEF61D0000-0x000007FEF6B6D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-9-0x000007FEF61D0000-0x000007FEF6B6D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-10-0x000007FEF61D0000-0x000007FEF6B6D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-13-0x000007FEF61D0000-0x000007FEF6B6D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-6-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download
memory/2508-4-0x000007FEF648E000-0x000007FEF648F000-memory.dmp

Filesize
4KB

Download
memory/2508-8-0x000007FEF61D0000-0x000007FEF6B6D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-7-0x000007FEF61D0000-0x000007FEF6B6D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-5-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/2728-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2728-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2728-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download