agenttesla | a3028abb8f14d32babfc33852545775c77557ebd1eac0f119f44dafebf4fca07

Analysis

max time kernel
133s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 09:21

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General

Target
NEW INQUIRY.exe
Size 739KB
Sample240825-lbb12swfpf
SHA256 a3028abb8f14d32babfc33852545775c77557ebd1eac0f119f44dafebf4fca07
MD5 8c43124c8f24e725cc9bc17fcbdb1a8c
SHA1 490525034d262a0dff39ffdf22f2345d10090821
SHA512 00e9c5f022e8783bda556270a6a4b4c42c68e7c73601acd26cf7a7b7a3c504aa30d2516795005e0ae4cf45cfea9ab814417eb7952f8e0c9b4081f90251448f36
SSDEEP 12288:rgsqOr6pkaiqyJMOZfc6oc8iAr6MiLBFkoNae+d/9dCRXK5WoWbfa+Y6dnfNez3W:05Od+c8iAr1Ab8eEWov61WlwEbnUz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.merlinmotorworks.com
Port
587
Username
[email protected]
Password
Merlin1080S

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.merlinmotorworks.com
Port
587
Username
[email protected]
Password
Merlin1080S
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
2944	powershell.exe
2376	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	NEW INQUIRY.exe

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 1 IoCs

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

flow	ioc
35	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3764 set thread context of 404	3764	NEW INQUIRY.exe	101

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	NEW INQUIRY.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	NEW INQUIRY.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
4100	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2376	powershell.exe
2376	powershell.exe
2944	powershell.exe
2944	powershell.exe
3764	NEW INQUIRY.exe
3764	NEW INQUIRY.exe
2944	powershell.exe
2376	powershell.exe
404	NEW INQUIRY.exe
404	NEW INQUIRY.exe
404	NEW INQUIRY.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	powershell.exe
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	3764	NEW INQUIRY.exe
Token: SeDebugPrivilege	404	NEW INQUIRY.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 2944	3764	NEW INQUIRY.exe	94
PID 3764 wrote to memory of 2944	3764	NEW INQUIRY.exe	94
PID 3764 wrote to memory of 2944	3764	NEW INQUIRY.exe	94
PID 3764 wrote to memory of 2376	3764	NEW INQUIRY.exe	96
PID 3764 wrote to memory of 2376	3764	NEW INQUIRY.exe	96
PID 3764 wrote to memory of 2376	3764	NEW INQUIRY.exe	96
PID 3764 wrote to memory of 4100	3764	NEW INQUIRY.exe	98
PID 3764 wrote to memory of 4100	3764	NEW INQUIRY.exe	98
PID 3764 wrote to memory of 4100	3764	NEW INQUIRY.exe	98
PID 3764 wrote to memory of 1492	3764	NEW INQUIRY.exe	100
PID 3764 wrote to memory of 1492	3764	NEW INQUIRY.exe	100
PID 3764 wrote to memory of 1492	3764	NEW INQUIRY.exe	100
PID 3764 wrote to memory of 404	3764	NEW INQUIRY.exe	101
PID 3764 wrote to memory of 404	3764	NEW INQUIRY.exe	101
PID 3764 wrote to memory of 404	3764	NEW INQUIRY.exe	101
PID 3764 wrote to memory of 404	3764	NEW INQUIRY.exe	101
PID 3764 wrote to memory of 404	3764	NEW INQUIRY.exe	101
PID 3764 wrote to memory of 404	3764	NEW INQUIRY.exe	101
PID 3764 wrote to memory of 404	3764	NEW INQUIRY.exe	101
PID 3764 wrote to memory of 404	3764	NEW INQUIRY.exe	101

C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe
"C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe"
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:3764
- 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\NEW INQUIRY.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2944
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LnwAZGABFr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2376
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LnwAZGABFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE4E2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4100
- C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe
  "C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe"
  2⤵
  PID:1492
- C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe
  "C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:404

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

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
MD5 968cb9309758126772781b83adb8a28f
SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 18KB
SHA256 be4e3c31b4617fbf3a8c8cf9ae1e9bdf131f8797df40dddd2d08bbeaf17240cd
MD5 fd6b38a41d9b976e45c9bbcefd91111d
SHA1 e3f8d03903d4ba37a65b8508108674c6b4a73bbd
SHA512 1eef02f4dd784f450d9f89e2d367b1ecee1dbc14f38014f7234419558dac22b12a843af54875bb0ef0ad2f577ffcbdafc6bc02f7c86751788da1b59bd194ac19
SSDEEP 384:Vsf+BO9i+h2KKVBBizckAwo9o2TsDK6seYLME/N03SoZOfYSgcjEDkyQ0gdEtkKF:Kfp2Ho7AFo2TsDNgrWSpWCED/Ce3
MD5 SHA1 SHA512 SSDEEP

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__PSScriptPolicyTest_0zojpwm0.fmp.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0zojpwm0.fmp.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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tmpE4E2.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpE4E2.tmp
Size 1KB
SHA256 09799d5edb8cb7012ee1543c18acf936082c13e51e9bb85311b477b7ffc78ba9
MD5 b3fcae9c9e015e3dbae219564e575221
SHA1 e741d3949495fedcf0b3c6b59d0c5995891c2b68
SHA512 53ba55c134ea75f8cf60ba5645999be344ed560052cf80fb65f80744e20034a44fe77c8d8a19a11550f3abd2220f64085129657e4b6de91fb710b4298901b356
MD5 SHA1 SHA512

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memory/404-92-0x0000000006EE0000-0x0000000006F30000-memory.dmp

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memory/404-48-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2376-77-0x0000000007B10000-0x0000000007B2A000-memory.dmp

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memory/2376-51-0x0000000006820000-0x000000000686C000-memory.dmp

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memory/2376-91-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/2376-84-0x0000000007E30000-0x0000000007E38000-memory.dmp

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memory/2376-79-0x0000000007D90000-0x0000000007E26000-memory.dmp

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memory/2376-78-0x0000000007B80000-0x0000000007B8A000-memory.dmp

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memory/2376-76-0x0000000008150000-0x00000000087CA000-memory.dmp

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memory/2376-75-0x00000000077C0000-0x0000000007863000-memory.dmp

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memory/2376-73-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

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memory/2376-54-0x000000006FE50000-0x000000006FE9C000-memory.dmp

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memory/2376-53-0x0000000006DC0000-0x0000000006DF2000-memory.dmp

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memory/2376-50-0x00000000066F0000-0x000000000670E000-memory.dmp

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memory/2376-22-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/2376-23-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/2376-24-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/2944-18-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/2944-25-0x0000000005C60000-0x0000000005C82000-memory.dmp

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memory/2944-26-0x0000000005D00000-0x0000000005D66000-memory.dmp

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memory/2944-90-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/2944-83-0x0000000007A50000-0x0000000007A6A000-memory.dmp

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memory/2944-82-0x0000000007950000-0x0000000007964000-memory.dmp

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memory/2944-43-0x0000000005DE0000-0x0000000006134000-memory.dmp

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memory/2944-80-0x0000000007910000-0x0000000007921000-memory.dmp

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memory/2944-27-0x0000000005D70000-0x0000000005DD6000-memory.dmp

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memory/2944-81-0x0000000007940000-0x000000000794E000-memory.dmp

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memory/2944-21-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/2944-20-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/2944-19-0x0000000005530000-0x0000000005B58000-memory.dmp

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memory/2944-64-0x000000006FE50000-0x000000006FE9C000-memory.dmp

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memory/2944-17-0x0000000004E30000-0x0000000004E66000-memory.dmp

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memory/3764-7-0x000000007499E000-0x000000007499F000-memory.dmp

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memory/3764-12-0x0000000006E30000-0x0000000006ECC000-memory.dmp

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memory/3764-11-0x0000000006BD0000-0x0000000006C54000-memory.dmp

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memory/3764-10-0x0000000006B70000-0x0000000006B80000-memory.dmp

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memory/3764-0-0x000000007499E000-0x000000007499F000-memory.dmp

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memory/3764-52-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/3764-5-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/3764-4-0x0000000005870000-0x000000000587A000-memory.dmp

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memory/3764-9-0x0000000006B60000-0x0000000006B6E000-memory.dmp

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memory/3764-3-0x0000000005890000-0x0000000005922000-memory.dmp

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memory/3764-2-0x0000000005DA0000-0x0000000006344000-memory.dmp

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memory/3764-8-0x0000000074990000-0x0000000075140000-memory.dmp

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memory/3764-6-0x0000000008540000-0x0000000008556000-memory.dmp

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memory/3764-1-0x0000000000DA0000-0x0000000000E5E000-memory.dmp

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