agenttesla | 75d01f5228312d1ca33e0388355df6a9d35a501564752842c06e798f74d254a4

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 00:30

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General

Target

tmp3lvrqnsb.exe
Size

847KB
MD5

7f8c69cbcbc9b8b5c778de9e7cc1b6bd
SHA1

f4075ac912c88f5b414828ed20677d852109878f
SHA256

75d01f5228312d1ca33e0388355df6a9d35a501564752842c06e798f74d254a4
SHA512

f9bfda0226945c201d65129d7173df6d5a8acd05e288d485cc4c5950763b6dd40c8b44ad40b685691a9aa00f4cecbf419113eed7ea70a23d3f5982e5b130874b
SSDEEP

24576:WtlRVEAQp+C2sBohoYiDFAjbyION9N1q:WtlRVEDpBoEDyjbynzO

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:
manlikeyou88
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
3916	powershell.exe
3676	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	tmp3lvrqnsb.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4372 set thread context of 220	4372	tmp3lvrqnsb.exe	96

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	tmp3lvrqnsb.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp3lvrqnsb.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
736	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3676	powershell.exe
3916	powershell.exe
3676	powershell.exe
3916	powershell.exe
220	tmp3lvrqnsb.exe
220	tmp3lvrqnsb.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3916	powershell.exe
Token: SeDebugPrivilege	3676	powershell.exe
Token: SeDebugPrivilege	220	tmp3lvrqnsb.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 3916	4372	tmp3lvrqnsb.exe	90
PID 4372 wrote to memory of 3916	4372	tmp3lvrqnsb.exe	90
PID 4372 wrote to memory of 3916	4372	tmp3lvrqnsb.exe	90
PID 4372 wrote to memory of 3676	4372	tmp3lvrqnsb.exe	92
PID 4372 wrote to memory of 3676	4372	tmp3lvrqnsb.exe	92
PID 4372 wrote to memory of 3676	4372	tmp3lvrqnsb.exe	92
PID 4372 wrote to memory of 736	4372	tmp3lvrqnsb.exe	94
PID 4372 wrote to memory of 736	4372	tmp3lvrqnsb.exe	94
PID 4372 wrote to memory of 736	4372	tmp3lvrqnsb.exe	94
PID 4372 wrote to memory of 220	4372	tmp3lvrqnsb.exe	96
PID 4372 wrote to memory of 220	4372	tmp3lvrqnsb.exe	96
PID 4372 wrote to memory of 220	4372	tmp3lvrqnsb.exe	96
PID 4372 wrote to memory of 220	4372	tmp3lvrqnsb.exe	96
PID 4372 wrote to memory of 220	4372	tmp3lvrqnsb.exe	96
PID 4372 wrote to memory of 220	4372	tmp3lvrqnsb.exe	96
PID 4372 wrote to memory of 220	4372	tmp3lvrqnsb.exe	96
PID 4372 wrote to memory of 220	4372	tmp3lvrqnsb.exe	96

C:\Users\Admin\AppData\Local\Temp\tmp3lvrqnsb.exe
"C:\Users\Admin\AppData\Local\Temp\tmp3lvrqnsb.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4372
- 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\tmp3lvrqnsb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3916
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IYdiCIPoXRBTxn.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3676
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IYdiCIPoXRBTxn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDAC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:736
- C:\Users\Admin\AppData\Local\Temp\tmp3lvrqnsb.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp3lvrqnsb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:220

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

Query Registry

T1012

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
ac148efe2f93d23c3aa4a91cbb642487

SHA1
604dfca20948770e7baebd20e035e86cffb1c857

SHA256
f262857e61b01dd683f5bc08ecd2f7db92a649373bad967d5386d2c8b070d711

SHA512
e38ccd9fff23b94b73b16906f7bc9b1935bec88f5cc073c1db0748222549c2f603f9af40a975399a0a36b9bcd619a6fbdeaac817edb0b78e1e3f9651758022ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mopetdxw.nnj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
1KB

MD5
d4aa0ab2342f1851216ac96011f0ddff

SHA1
68312a37c552292e233ad7767f012afda84afbe1

SHA256
8e75fe5536023edb6c33652d304897741d3e6a2d03c52eb3176eb221176a208b

SHA512
d6dd3eb713dfbff56072c22d858874e4c86e62562bbfccff7f0993173d66cfb73a61024223f7bb34fa51b61d971aba8a671cdd3929aa4a0fdf46fc99524ad180

Download Submit
memory/220-48-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/220-92-0x0000000006750000-0x00000000067A0000-memory.dmp

Filesize
320KB

Download
memory/3676-90-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3676-84-0x0000000007130000-0x0000000007138000-memory.dmp

Filesize
32KB

Download
memory/3676-83-0x0000000007150000-0x000000000716A000-memory.dmp

Filesize
104KB

Download
memory/3676-66-0x0000000074F70000-0x0000000074FBC000-memory.dmp

Filesize
304KB

Download
memory/3676-22-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3676-24-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3676-23-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3916-76-0x0000000007F00000-0x000000000857A000-memory.dmp

Filesize
6.5MB

Download
memory/3916-64-0x0000000007760000-0x000000000777E000-memory.dmp

Filesize
120KB

Download
memory/3916-18-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3916-20-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3916-21-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3916-17-0x0000000002C50000-0x0000000002C86000-memory.dmp

Filesize
216KB

Download
memory/3916-91-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3916-82-0x0000000007AF0000-0x0000000007B04000-memory.dmp

Filesize
80KB

Download
memory/3916-27-0x0000000005EC0000-0x0000000005F26000-memory.dmp

Filesize
408KB

Download
memory/3916-28-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/3916-26-0x00000000057E0000-0x0000000005802000-memory.dmp

Filesize
136KB

Download
memory/3916-81-0x0000000007AE0000-0x0000000007AEE000-memory.dmp

Filesize
56KB

Download
memory/3916-80-0x0000000007AB0000-0x0000000007AC1000-memory.dmp

Filesize
68KB

Download
memory/3916-47-0x00000000060A0000-0x00000000063F4000-memory.dmp

Filesize
3.3MB

Download
memory/3916-79-0x0000000007B30000-0x0000000007BC6000-memory.dmp

Filesize
600KB

Download
memory/3916-78-0x0000000007920000-0x000000000792A000-memory.dmp

Filesize
40KB

Download
memory/3916-52-0x00000000065D0000-0x000000000661C000-memory.dmp

Filesize
304KB

Download
memory/3916-51-0x0000000006590000-0x00000000065AE000-memory.dmp

Filesize
120KB

Download
memory/3916-54-0x0000000074F70000-0x0000000074FBC000-memory.dmp

Filesize
304KB

Download
memory/3916-19-0x0000000005890000-0x0000000005EB8000-memory.dmp

Filesize
6.2MB

Download
memory/3916-65-0x0000000007780000-0x0000000007823000-memory.dmp

Filesize
652KB

Download
memory/3916-53-0x0000000006B60000-0x0000000006B92000-memory.dmp

Filesize
200KB

Download
memory/3916-77-0x00000000078B0000-0x00000000078CA000-memory.dmp

Filesize
104KB

Download
memory/4372-11-0x0000000008600000-0x0000000008682000-memory.dmp

Filesize
520KB

Download
memory/4372-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/4372-50-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/4372-8-0x0000000006F50000-0x0000000006F5E000-memory.dmp

Filesize
56KB

Download
memory/4372-9-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/4372-10-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/4372-7-0x0000000007180000-0x000000000721A000-memory.dmp

Filesize
616KB

Download
memory/4372-6-0x00000000059D0000-0x0000000005B76000-memory.dmp

Filesize
1.6MB

Download
memory/4372-3-0x0000000005640000-0x00000000056D2000-memory.dmp

Filesize
584KB

Download
memory/4372-4-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/4372-5-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/4372-2-0x0000000005BF0000-0x0000000006194000-memory.dmp

Filesize
5.6MB

Download
memory/4372-12-0x000000000ADF0000-0x000000000AE8C000-memory.dmp

Filesize
624KB

Download
memory/4372-1-0x0000000000B60000-0x0000000000C3A000-memory.dmp

Filesize
872KB

Download