agenttesla | d189fa119ae4415cebddf0b54910e7f37e1da28c19246df65657bfd35e5bf62f

General

Target

Purchase Order......21-11-22.exe
Size

718KB
MD5

34b26dab00fad0c5d70277e58cb0b546
SHA1

7af5c0c05fc740c7dfa410235b6781c2f08bd996
SHA256

b1614082023a76f25d59eee39a1fc2377d7b678e5c6ad7d451f0477b374d6660
SHA512

ceb27d8fb939418e5b09a3e3897f93357b0404fcc8be385522494ec8d46aa14a933fdd293522c0ef50caf40d756bcc8fef95a0ec530ea40a4b3849558a2ce045
SSDEEP

12288:6PMsbBtXrT1rAChzf0y/lqwVaG/TTcrmvPd3FRu+fTbML+mxh+4NPBW4/nuisOLw:21rbhzfDtqAbbT3vY+fDmxhFggux+L7m

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5467926675:AAHl4rZuFMBsQAWPk1ynhSWYCGcDxYqlg7g/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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......21-11-22.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order......21-11-22.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order......21-11-22.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order......21-11-22.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Purchase Order......21-11-22.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\eKHxmGJ = "C:\\Users\\Admin\\AppData\\Roaming\\eKHxmGJ\\eKHxmGJ.exe"	Purchase Order......21-11-22.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order......21-11-22.exe

description pid process target process

PID 1416 set thread context of 432 1416 Purchase Order......21-11-22.exe Purchase Order......21-11-22.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exePurchase Order......21-11-22.exe

pid process

880 powershell.exe
432 Purchase Order......21-11-22.exe
432 Purchase Order......21-11-22.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order......21-11-22.exepowershell.exe

description pid process

Token: SeDebugPrivilege 432 Purchase Order......21-11-22.exe
Token: SeDebugPrivilege 880 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Purchase Order......21-11-22.exe

pid process

432 Purchase Order......21-11-22.exe

description	pid	process	target process
PID 1416 set thread context of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe

pid	process
880	powershell.exe
432	Purchase Order......21-11-22.exe
432	Purchase Order......21-11-22.exe

description	pid	process
Token: SeDebugPrivilege	432	Purchase Order......21-11-22.exe
Token: SeDebugPrivilege	880	powershell.exe

pid	process
432	Purchase Order......21-11-22.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Purchase Order......21-11-22.exe

description	pid	process	target process
PID 1416 wrote to memory of 880	1416	Purchase Order......21-11-22.exe	powershell.exe
PID 1416 wrote to memory of 880	1416	Purchase Order......21-11-22.exe	powershell.exe
PID 1416 wrote to memory of 880	1416	Purchase Order......21-11-22.exe	powershell.exe
PID 1416 wrote to memory of 880	1416	Purchase Order......21-11-22.exe	powershell.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe
PID 1416 wrote to memory of 432	1416	Purchase Order......21-11-22.exe	Purchase Order......21-11-22.exe

outlook_office_path 1 IoCs

Processes:

Purchase Order......21-11-22.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order......21-11-22.exe

outlook_win_path 1 IoCs

Processes:

Purchase Order......21-11-22.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order......21-11-22.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order......21-11-22.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order......21-11-22.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1416

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......21-11-22.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:880

C:\Users\Admin\AppData\Local\Temp\Purchase Order......21-11-22.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order......21-11-22.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/432-68-0x000000000043761E-mapping.dmp

Download
memory/432-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/432-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/432-72-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/432-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/432-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/432-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/432-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/880-59-0x0000000000000000-mapping.dmp

Download
memory/880-74-0x000000006E770000-0x000000006ED1B000-memory.dmp

Filesize
5.7MB

Download
memory/880-75-0x000000006E770000-0x000000006ED1B000-memory.dmp

Filesize
5.7MB

Download
memory/1416-58-0x0000000004DB0000-0x0000000004E26000-memory.dmp

Filesize
472KB

Download
memory/1416-56-0x0000000000600000-0x0000000000618000-memory.dmp

Filesize
96KB

Download
memory/1416-61-0x0000000005D80000-0x0000000005DBC000-memory.dmp

Filesize
240KB

Download
memory/1416-54-0x0000000000230000-0x00000000002EA000-memory.dmp

Filesize
744KB

Download
memory/1416-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/1416-57-0x00000000005E0000-0x00000000005EC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads