agenttesla | 89823f7c472a09c6062578082579da7f8cdb093c99de1a7c92aafa5d741c7316

General

Target

Purchase order.exe
Size

744KB
MD5

24b0be710ed42b1ec10224db8db55bf6
SHA1

597bce6e93351125632e9b92fb2ca35fca8bc75d
SHA256

89823f7c472a09c6062578082579da7f8cdb093c99de1a7c92aafa5d741c7316
SHA512

810fb68f0199f3bf35b7e8894b9a978ad4533de9a9b8c6d0e39e260688ae77c6f922a71557f0812fdb815951500d6712eb16d6cae847701c5e0aec9e91af3bd4

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5573921253:AAHXKq7lrmioCzUGP-9p7lopfbVX0A_ZdQA/sendDocument

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

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

Processes:

Purchase order.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	Purchase order.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase order.exe

description pid process target process

PID 3856 set thread context of 3036 3856 Purchase order.exe Purchase order.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3920 schtasks.exe

description	pid	process	target process
PID 3856 set thread context of 3036	3856	Purchase order.exe	Purchase order.exe

pid	process
3920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Purchase order.exepowershell.exepowershell.exePurchase order.exe

pid	process
3856	Purchase order.exe
112	powershell.exe
3856	Purchase order.exe
3444	powershell.exe
3036	Purchase order.exe
3036	Purchase order.exe
112	powershell.exe
3444	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Purchase order.exepowershell.exepowershell.exePurchase order.exe

description	pid	process
Token: SeDebugPrivilege	3856	Purchase order.exe
Token: SeDebugPrivilege	112	powershell.exe
Token: SeDebugPrivilege	3444	powershell.exe
Token: SeDebugPrivilege	3036	Purchase order.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Purchase order.exe

description	pid	process	target process
PID 3856 wrote to memory of 112	3856	Purchase order.exe	powershell.exe
PID 3856 wrote to memory of 112	3856	Purchase order.exe	powershell.exe
PID 3856 wrote to memory of 112	3856	Purchase order.exe	powershell.exe
PID 3856 wrote to memory of 3444	3856	Purchase order.exe	powershell.exe
PID 3856 wrote to memory of 3444	3856	Purchase order.exe	powershell.exe
PID 3856 wrote to memory of 3444	3856	Purchase order.exe	powershell.exe
PID 3856 wrote to memory of 3920	3856	Purchase order.exe	schtasks.exe
PID 3856 wrote to memory of 3920	3856	Purchase order.exe	schtasks.exe
PID 3856 wrote to memory of 3920	3856	Purchase order.exe	schtasks.exe
PID 3856 wrote to memory of 3036	3856	Purchase order.exe	Purchase order.exe
PID 3856 wrote to memory of 3036	3856	Purchase order.exe	Purchase order.exe
PID 3856 wrote to memory of 3036	3856	Purchase order.exe	Purchase order.exe
PID 3856 wrote to memory of 3036	3856	Purchase order.exe	Purchase order.exe
PID 3856 wrote to memory of 3036	3856	Purchase order.exe	Purchase order.exe
PID 3856 wrote to memory of 3036	3856	Purchase order.exe	Purchase order.exe
PID 3856 wrote to memory of 3036	3856	Purchase order.exe	Purchase order.exe
PID 3856 wrote to memory of 3036	3856	Purchase order.exe	Purchase order.exe

outlook_office_path 1 IoCs

Processes:

Purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

outlook_win_path 1 IoCs

Processes:

Purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3856

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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:112

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zwLLFjVv.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3444

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zwLLFjVv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2683.tmp"
2⤵
- Creates scheduled task(s)
PID:3920

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
eba8a6bac97fb02429111ec498d7d506

SHA1
f9e26c82168120eeb4493e8477311fefc537b9f5

SHA256
5b7abf794f68f0bd9b66b5d7063c4a9c327d797694989fbdfd4ed86cf1bb4853

SHA512
031f09018353fd2a6e1494a0d97d468c9e0fa505d888736dfec106ea45b985ab674c3dfd12116d3fa137504f9ec98d74d6f6b0a6e3fa91eb10db88f6339acfb5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2683.tmp
Filesize
1KB

MD5
3de4b130f74487de4c591b1ae3c6a9b6

SHA1
b8692a5e2b654db7f75494ecf3979670de1d62fc

SHA256
9e6d2541358a890b24ecb460380d7ebd2e76275ee1d2894de0f9dc849359cab9

SHA512
91157b2f4da3198f3b63ea7dbfabe140e5057ca40d338037d255e437e2e77ee3612624f8965fa2bc5f60acc7849bf5b0e8b16e4ed3c7ebf76350367b42907b37

Download Submit
memory/112-153-0x0000000007930000-0x000000000793A000-memory.dmp

Filesize
40KB

Download
memory/112-154-0x0000000007B40000-0x0000000007BD6000-memory.dmp

Filesize
600KB

Download
memory/112-135-0x0000000000000000-mapping.dmp

Download
memory/112-145-0x0000000005F40000-0x0000000005FA6000-memory.dmp

Filesize
408KB

Download
memory/112-151-0x0000000007F60000-0x00000000085DA000-memory.dmp

Filesize
6.5MB

Download
memory/112-138-0x0000000004F60000-0x0000000004F96000-memory.dmp

Filesize
216KB

Download
memory/112-150-0x0000000006A80000-0x0000000006A9E000-memory.dmp

Filesize
120KB

Download
memory/112-156-0x0000000007C00000-0x0000000007C1A000-memory.dmp

Filesize
104KB

Download
memory/112-141-0x0000000005CC0000-0x0000000005CE2000-memory.dmp

Filesize
136KB

Download
memory/112-148-0x00000000713F0000-0x000000007143C000-memory.dmp

Filesize
304KB

Download
memory/112-144-0x0000000005E60000-0x0000000005EC6000-memory.dmp

Filesize
408KB

Download
memory/112-146-0x0000000006540000-0x000000000655E000-memory.dmp

Filesize
120KB

Download
memory/3036-142-0x0000000000000000-mapping.dmp

Download
memory/3036-143-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3036-158-0x0000000006AF0000-0x0000000006B40000-memory.dmp

Filesize
320KB

Download
memory/3444-152-0x00000000073C0000-0x00000000073DA000-memory.dmp

Filesize
104KB

Download
memory/3444-149-0x00000000713F0000-0x000000007143C000-memory.dmp

Filesize
304KB

Download
memory/3444-139-0x0000000005390000-0x00000000059B8000-memory.dmp

Filesize
6.2MB

Download
memory/3444-136-0x0000000000000000-mapping.dmp

Download
memory/3444-155-0x00000000075F0000-0x00000000075FE000-memory.dmp

Filesize
56KB

Download
memory/3444-157-0x00000000076E0000-0x00000000076E8000-memory.dmp

Filesize
32KB

Download
memory/3444-147-0x0000000007050000-0x0000000007082000-memory.dmp

Filesize
200KB

Download
memory/3856-130-0x00000000008A0000-0x0000000000960000-memory.dmp

Filesize
768KB

Download
memory/3856-134-0x0000000007940000-0x00000000079DC000-memory.dmp

Filesize
624KB

Download
memory/3856-133-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/3856-132-0x0000000005370000-0x0000000005402000-memory.dmp

Filesize
584KB

Download
memory/3856-131-0x0000000005880000-0x0000000005E24000-memory.dmp

Filesize
5.6MB

Download
memory/3920-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads