agenttesla | 95fe9b80f0a241ea6c42d44234fd50951873d683c96bdab50c41d3e4f3452b6c

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 14:58

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General

Target

Ningbo - Past Due Invoices.scr
Size

657KB
MD5

05971e8521240cd588015e689baab4b7
SHA1

1911d514d8e9d3310b2876ee591553250a31f44f
SHA256

d71f85d32dd19dd5a0c5ad3b97c3eba3277a5966035970a2c9ea7dd8e23fafa3
SHA512

01db290b831f6e60efaa8bfeb8bb0e1f1137c7843b29da34f024ee6e4f4b2f341ed4f8f2ed7c1a202a7a99781224bfca8bbaf7479ba23796707fc3d0d9994448
SSDEEP

12288:pOjsJrm2DORelTAeZjqjhazCtH42QWkn5IxQMj7RYLgXeevG3j8bQb:pWsJrm2DO0TvqH42ZLuMj7GEXze3UI

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:
BIGNAIRA2024
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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4292	powershell.exe
4144	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	Ningbo - Past Due Invoices.scr

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
24	api.ipify.org
25	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 920 set thread context of 3252	920	Ningbo - Past Due Invoices.scr	95

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ningbo - Past Due Invoices.scr
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

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
1976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
920	Ningbo - Past Due Invoices.scr
920	Ningbo - Past Due Invoices.scr
4292	powershell.exe
920	Ningbo - Past Due Invoices.scr
4144	powershell.exe
3252	RegSvcs.exe
3252	RegSvcs.exe
4292	powershell.exe
4144	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	920	Ningbo - Past Due Invoices.scr
Token: SeDebugPrivilege	4292	powershell.exe
Token: SeDebugPrivilege	4144	powershell.exe
Token: SeDebugPrivilege	3252	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 4292	920	Ningbo - Past Due Invoices.scr	89
PID 920 wrote to memory of 4292	920	Ningbo - Past Due Invoices.scr	89
PID 920 wrote to memory of 4292	920	Ningbo - Past Due Invoices.scr	89
PID 920 wrote to memory of 4144	920	Ningbo - Past Due Invoices.scr	91
PID 920 wrote to memory of 4144	920	Ningbo - Past Due Invoices.scr	91
PID 920 wrote to memory of 4144	920	Ningbo - Past Due Invoices.scr	91
PID 920 wrote to memory of 1976	920	Ningbo - Past Due Invoices.scr	93
PID 920 wrote to memory of 1976	920	Ningbo - Past Due Invoices.scr	93
PID 920 wrote to memory of 1976	920	Ningbo - Past Due Invoices.scr	93
PID 920 wrote to memory of 3252	920	Ningbo - Past Due Invoices.scr	95
PID 920 wrote to memory of 3252	920	Ningbo - Past Due Invoices.scr	95
PID 920 wrote to memory of 3252	920	Ningbo - Past Due Invoices.scr	95
PID 920 wrote to memory of 3252	920	Ningbo - Past Due Invoices.scr	95
PID 920 wrote to memory of 3252	920	Ningbo - Past Due Invoices.scr	95
PID 920 wrote to memory of 3252	920	Ningbo - Past Due Invoices.scr	95
PID 920 wrote to memory of 3252	920	Ningbo - Past Due Invoices.scr	95
PID 920 wrote to memory of 3252	920	Ningbo - Past Due Invoices.scr	95

C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr
"C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920
- 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\Ningbo - Past Due Invoices.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4292
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jzARpPDhrks.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4144
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jzARpPDhrks" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2B4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1976
- 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:3252

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

Discovery

Query Registry

T1012

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

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
49394659b7dd345e8602faffc2a3bd4c

SHA1
914620148431e7b0417c92e1311d30fffe965ba9

SHA256
c5dc5a30c95ca6f298e928e42c2747549ccb32c116c48b1896ed77767617cab6

SHA512
2a332407348b3cc1003f19238cbbc5268dcbcb93b50379a85c73ec27ba2a29461777e5d3a68cb55ceaf2ab4e8693b6d4c43a3827afe36a37982c2f3525a67f69

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1hpgtztk.fq5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC2B4.tmp

Filesize
1KB

MD5
b2f6028f330c9464b0082a3c028f260c

SHA1
787da50f63eea61ef2826b6098fab96707d13e42

SHA256
c0a633d49efd0f5d8098193d54a19f45c28a3b9286f6ab7d743546da0ed33fa7

SHA512
f3f94256525e4acac37092aa82998d51f8538298aa05b7179c77696c03baf738a9f1845f61c331c651325234f01651524d53c44b0f8b60c0f19737b9238e4de4

Download Submit
memory/920-8-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/920-3-0x0000000005540000-0x00000000055D2000-memory.dmp

Filesize
584KB

Download
memory/920-6-0x0000000005A40000-0x0000000005A52000-memory.dmp

Filesize
72KB

Download
memory/920-7-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/920-38-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/920-9-0x0000000007890000-0x0000000007912000-memory.dmp

Filesize
520KB

Download
memory/920-10-0x0000000009F90000-0x000000000A02C000-memory.dmp

Filesize
624KB

Download
memory/920-1-0x0000000000A30000-0x0000000000ADA000-memory.dmp

Filesize
680KB

Download
memory/920-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/920-4-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/920-5-0x0000000005510000-0x000000000551A000-memory.dmp

Filesize
40KB

Download
memory/920-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/3252-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3252-89-0x0000000006BC0000-0x0000000006C10000-memory.dmp

Filesize
320KB

Download
memory/4144-87-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4144-63-0x00000000756F0000-0x000000007573C000-memory.dmp

Filesize
304KB

Download
memory/4144-24-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4144-77-0x00000000075D0000-0x00000000075E1000-memory.dmp

Filesize
68KB

Download
memory/4144-80-0x0000000007710000-0x000000000772A000-memory.dmp

Filesize
104KB

Download
memory/4144-37-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4292-35-0x0000000005710000-0x0000000005A64000-memory.dmp

Filesize
3.3MB

Download
memory/4292-23-0x0000000004D90000-0x0000000004DF6000-memory.dmp

Filesize
408KB

Download
memory/4292-48-0x0000000005D30000-0x0000000005D4E000-memory.dmp

Filesize
120KB

Download
memory/4292-49-0x00000000062B0000-0x00000000062FC000-memory.dmp

Filesize
304KB

Download
memory/4292-50-0x0000000006D10000-0x0000000006D42000-memory.dmp

Filesize
200KB

Download
memory/4292-51-0x00000000756F0000-0x000000007573C000-memory.dmp

Filesize
304KB

Download
memory/4292-61-0x0000000006300000-0x000000000631E000-memory.dmp

Filesize
120KB

Download
memory/4292-62-0x0000000006D50000-0x0000000006DF3000-memory.dmp

Filesize
652KB

Download
memory/4292-21-0x0000000004C80000-0x0000000004CA2000-memory.dmp

Filesize
136KB

Download
memory/4292-72-0x0000000007060000-0x000000000707A000-memory.dmp

Filesize
104KB

Download
memory/4292-64-0x00000000076A0000-0x0000000007D1A000-memory.dmp

Filesize
6.5MB

Download
memory/4292-75-0x00000000070D0000-0x00000000070DA000-memory.dmp

Filesize
40KB

Download
memory/4292-76-0x00000000072E0000-0x0000000007376000-memory.dmp

Filesize
600KB

Download
memory/4292-22-0x0000000004D20000-0x0000000004D86000-memory.dmp

Filesize
408KB

Download
memory/4292-78-0x0000000007290000-0x000000000729E000-memory.dmp

Filesize
56KB

Download
memory/4292-79-0x00000000072A0000-0x00000000072B4000-memory.dmp

Filesize
80KB

Download
memory/4292-20-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4292-81-0x0000000007380000-0x0000000007388000-memory.dmp

Filesize
32KB

Download
memory/4292-18-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4292-16-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4292-17-0x0000000004E20000-0x0000000005448000-memory.dmp

Filesize
6.2MB

Download
memory/4292-88-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4292-15-0x00000000047B0000-0x00000000047E6000-memory.dmp

Filesize
216KB

Download