agenttesla | 93bc8b052ab504548c2bd80aad36a2c4ebea09d06db56dbaedf16109da7daf5c

General

Target

Purchase Order RFQ#23-0616.exe
Size

586KB
MD5

229cdabf77106b1ff5da43ee6c78fdc0
SHA1

7bfcb5006685d01c48cf9d9d2685b709f5413009
SHA256

93bc8b052ab504548c2bd80aad36a2c4ebea09d06db56dbaedf16109da7daf5c
SHA512

7cca980dc58d30d6f16ec62693200850d468ce1c8ed54497e132c9b0dc23e38479d40dc32fddda3084e8399ec4b9b9a01d872c23ef6451262a199334d2dbd8b8
SSDEEP

12288:nYiv5hW923fardrj+80svv4XbMHLc1msHJNCvZa+oo9guZz7:BecvI+8Hvv4v17JNWZPoOh

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.aabaag.com
Port:
587
Username:
[email protected]
Password:
iurFL#f6
Email To:
[email protected]

Signatures

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order RFQ#23-0616.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order RFQ#23-0616.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order RFQ#23-0616.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\VzKCUwk = "C:\\Users\\Admin\\AppData\\Roaming\\VzKCUwk\\VzKCUwk.exe"	Purchase Order RFQ#23-0616.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1104 set thread context of 824	1104	Purchase Order RFQ#23-0616.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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

pid	Process
332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1104	Purchase Order RFQ#23-0616.exe
1104	Purchase Order RFQ#23-0616.exe
1400	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	Purchase Order RFQ#23-0616.exe
Token: SeDebugPrivilege	824	Purchase Order RFQ#23-0616.exe
Token: SeDebugPrivilege	1400	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
824	Purchase Order RFQ#23-0616.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1400	1104	Purchase Order RFQ#23-0616.exe	28
PID 1104 wrote to memory of 1400	1104	Purchase Order RFQ#23-0616.exe	28
PID 1104 wrote to memory of 1400	1104	Purchase Order RFQ#23-0616.exe	28
PID 1104 wrote to memory of 1400	1104	Purchase Order RFQ#23-0616.exe	28
PID 1104 wrote to memory of 332	1104	Purchase Order RFQ#23-0616.exe	30
PID 1104 wrote to memory of 332	1104	Purchase Order RFQ#23-0616.exe	30
PID 1104 wrote to memory of 332	1104	Purchase Order RFQ#23-0616.exe	30
PID 1104 wrote to memory of 332	1104	Purchase Order RFQ#23-0616.exe	30
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32
PID 1104 wrote to memory of 824	1104	Purchase Order RFQ#23-0616.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order RFQ#23-0616.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order RFQ#23-0616.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order RFQ#23-0616.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order RFQ#23-0616.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fGipWFuWqCnCWQ.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1400
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fGipWFuWqCnCWQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA81.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:332
- C:\Users\Admin\AppData\Local\Temp\Purchase Order RFQ#23-0616.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order RFQ#23-0616.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCA81.tmp

Filesize
1KB

MD5
605a1e23771f1033d70d2e76fda5d96b

SHA1
eae0f97d471b19689a7b2b0997e2807c99bd7bd6

SHA256
5bb99a040f8ea934e685432b742b04e344fec4213a0946c0b887d76103618e30

SHA512
3e63ee849e821639fc4f0d1f9dd6be1f2ef0ad09de32796ed6b1aa81cadce28851be58a32697d2deb19d0b983dca4109f323fee1cc900271f2f42499081835c0

Download Submit
memory/824-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/824-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/824-79-0x0000000004F90000-0x0000000004FD0000-memory.dmp

Filesize
256KB

Download
memory/824-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/824-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/824-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/824-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/824-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/824-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1104-56-0x00000000002A0000-0x00000000002B2000-memory.dmp

Filesize
72KB

Download
memory/1104-65-0x00000000012B0000-0x00000000012E2000-memory.dmp

Filesize
200KB

Download
memory/1104-54-0x00000000013A0000-0x0000000001438000-memory.dmp

Filesize
608KB

Download
memory/1104-55-0x0000000000D50000-0x0000000000D90000-memory.dmp

Filesize
256KB

Download
memory/1104-59-0x0000000005170000-0x00000000051DC000-memory.dmp

Filesize
432KB

Download
memory/1104-58-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/1104-57-0x0000000000D50000-0x0000000000D90000-memory.dmp

Filesize
256KB

Download
memory/1400-78-0x0000000002670000-0x00000000026B0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads