agenttesla | 14d8849a2723509620ba26498bef7e700c734b08d0fc5b58bb69f52eb38aee28

General

Target

RFQ REF40044644EAUSD.exe
Size

583KB
MD5

d3fc50d9c133892635d377a4fbe49d7f
SHA1

4742f12ee2d24ce653d0c5fdfb3a6836a389e32c
SHA256

c9844f8271aa5f5e3284a24d0962f864cfd4fbbe8b65247a017b9eab0a397e82
SHA512

66ecf6e7726ba3c3c23866b6f04ff7802095773ba3ba3a39976971b7e7fe7f89a4f524f8b13559f0d7812ca4d2e377ce24b4c2c3994cf250d2b5896f64223fa7
SSDEEP

12288:6scaqpK1WW+t44B6AgcbLsPiKqwLADveSO8n4:/cppAPio8vHO8n4

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.vulcano-group.com
Port:
587
Username:
[email protected]
Password:
LY{oo-z$*b_#
Email To:
[email protected]

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:

RFQ REF40044644EAUSD.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	RFQ REF40044644EAUSD.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:

RFQ REF40044644EAUSD.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ REF40044644EAUSD.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ REF40044644EAUSD.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ REF40044644EAUSD.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RFQ REF40044644EAUSD.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jozjxhom = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Bodui\\Jozjxhom.exe\""	RFQ REF40044644EAUSD.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

37 api.ipify.org
36 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ REF40044644EAUSD.exe

description pid process target process

PID 4352 set thread context of 4132 4352 RFQ REF40044644EAUSD.exe RFQ REF40044644EAUSD.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 2 IoCs

Processes:

powershell.exe

pid process

4068 powershell.exe
4068 powershell.exe

flow	ioc
37	api.ipify.org
36	api.ipify.org

description	pid	process	target process
PID 4352 set thread context of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe

pid	process
4068	powershell.exe
4068	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RFQ REF40044644EAUSD.exepowershell.exeRFQ REF40044644EAUSD.exe

description	pid	process
Token: SeDebugPrivilege	4352	RFQ REF40044644EAUSD.exe
Token: SeDebugPrivilege	4068	powershell.exe
Token: SeDebugPrivilege	4132	RFQ REF40044644EAUSD.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

RFQ REF40044644EAUSD.exe

description	pid	process	target process
PID 4352 wrote to memory of 4068	4352	RFQ REF40044644EAUSD.exe	powershell.exe
PID 4352 wrote to memory of 4068	4352	RFQ REF40044644EAUSD.exe	powershell.exe
PID 4352 wrote to memory of 4068	4352	RFQ REF40044644EAUSD.exe	powershell.exe
PID 4352 wrote to memory of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe
PID 4352 wrote to memory of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe
PID 4352 wrote to memory of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe
PID 4352 wrote to memory of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe
PID 4352 wrote to memory of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe
PID 4352 wrote to memory of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe
PID 4352 wrote to memory of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe
PID 4352 wrote to memory of 4132	4352	RFQ REF40044644EAUSD.exe	RFQ REF40044644EAUSD.exe

outlook_office_path 1 IoCs

Processes:

RFQ REF40044644EAUSD.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ REF40044644EAUSD.exe

outlook_win_path 1 IoCs

Processes:

RFQ REF40044644EAUSD.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ REF40044644EAUSD.exe

C:\Users\Admin\AppData\Local\Temp\RFQ REF40044644EAUSD.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ REF40044644EAUSD.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4068
- C:\Users\Admin\AppData\Local\Temp\RFQ REF40044644EAUSD.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ REF40044644EAUSD.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4132

Network

MITRE ATT&CK Enterprise 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

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\RFQ REF40044644EAUSD.exe.log

Filesize
1KB

MD5
4509b75aa8a81e30e5fd002194a272f3

SHA1
958467139f28ce3452cf21ed118fe5663f17f268

SHA256
d11e11badf8d7228071e5941eae4ecaaca0e86c353248a139807132dc32ce1ab

SHA512
5057c55560a5ee63daa115cb54053887df648beffbf3b644214351eed96a61d45816f7dd3e40324d8b55943a37431a77abceeec1d09758fe9ccf4305021fc531

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rg2dzlmg.uzw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4068-139-0x0000000004AC0000-0x0000000004AF6000-memory.dmp

Filesize
216KB

Download
memory/4068-142-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4068-155-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4068-161-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4068-156-0x0000000007670000-0x0000000007CEA000-memory.dmp

Filesize
6.5MB

Download
memory/4068-140-0x0000000005130000-0x0000000005758000-memory.dmp

Filesize
6.2MB

Download
memory/4068-141-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4068-157-0x0000000006550000-0x000000000656A000-memory.dmp

Filesize
104KB

Download
memory/4068-143-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/4068-149-0x00000000059B0000-0x0000000005A16000-memory.dmp

Filesize
408KB

Download
memory/4068-160-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4068-154-0x0000000006040000-0x000000000605E000-memory.dmp

Filesize
120KB

Download
memory/4068-159-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4132-166-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4132-169-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4132-170-0x0000000006830000-0x0000000006880000-memory.dmp

Filesize
320KB

Download
memory/4132-171-0x0000000006B50000-0x0000000006D12000-memory.dmp

Filesize
1.8MB

Download
memory/4132-172-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4352-133-0x0000000000090000-0x0000000000128000-memory.dmp

Filesize
608KB

Download
memory/4352-158-0x0000000004CF0000-0x0000000004D00000-memory.dmp

Filesize
64KB

Download
memory/4352-137-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

Filesize
40KB

Download
memory/4352-135-0x0000000004B20000-0x0000000004BB2000-memory.dmp

Filesize
584KB

Download
memory/4352-138-0x0000000006AE0000-0x0000000006B02000-memory.dmp

Filesize
136KB

Download
memory/4352-136-0x0000000004CF0000-0x0000000004D00000-memory.dmp

Filesize
64KB

Download
memory/4352-134-0x0000000005030000-0x00000000055D4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads