agenttesla | f2350f81d128d505ff4c09a24dcfed81151985087ad4d27d9c3a898ae71c8dd5

General

Target

Contract INV.exe
Size

509KB
MD5

a5a33692171dfcaea7c829656937f4ee
SHA1

ef45fe385cb22c559678c8204308898e78b8a874
SHA256

95288eb9eb753179b5e44337933fa86d6d60889fe7189b445c73b8cc77f05240
SHA512

e177455d9f75ce657d36e9492e98dba6a351c1665c7e8429c25fa3ef909122e2a31a3665ad2b615cb7ae23b9cec8023760f3c65844867a3a36f9780925b02b63

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.transfastc.com
Port:
587
Username:
[email protected]
Password:
Godalone147

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.transfastc.com
Port:
587
Username:
[email protected]
Password:
Godalone147

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2028-136-0x0000000000400000-0x000000000044C000-memory.dmp	family_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

Processes:

Contract INV.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract INV.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract INV.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract INV.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Contract INV.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	Contract INV.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Contract INV.exe

description pid process target process

PID 1572 set thread context of 2028 1572 Contract INV.exe Contract INV.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Contract INV.exeContract INV.exe

pid process

1572 Contract INV.exe
1572 Contract INV.exe
1572 Contract INV.exe
2028 Contract INV.exe
2028 Contract INV.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

Contract INV.exe

pid process

2028 Contract INV.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Contract INV.exeContract INV.exe

description pid process

Token: SeDebugPrivilege 1572 Contract INV.exe
Token: SeDebugPrivilege 2028 Contract INV.exe

description	pid	process	target process
PID 1572 set thread context of 2028	1572	Contract INV.exe	Contract INV.exe

pid	process
1572	Contract INV.exe
1572	Contract INV.exe
1572	Contract INV.exe
2028	Contract INV.exe
2028	Contract INV.exe

pid	process
2028	Contract INV.exe

description	pid	process
Token: SeDebugPrivilege	1572	Contract INV.exe
Token: SeDebugPrivilege	2028	Contract INV.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Contract INV.exe

description	pid	process	target process
PID 1572 wrote to memory of 2028	1572	Contract INV.exe	Contract INV.exe
PID 1572 wrote to memory of 2028	1572	Contract INV.exe	Contract INV.exe
PID 1572 wrote to memory of 2028	1572	Contract INV.exe	Contract INV.exe
PID 1572 wrote to memory of 2028	1572	Contract INV.exe	Contract INV.exe
PID 1572 wrote to memory of 2028	1572	Contract INV.exe	Contract INV.exe
PID 1572 wrote to memory of 2028	1572	Contract INV.exe	Contract INV.exe
PID 1572 wrote to memory of 2028	1572	Contract INV.exe	Contract INV.exe
PID 1572 wrote to memory of 2028	1572	Contract INV.exe	Contract INV.exe

outlook_office_path 1 IoCs

Processes:

Contract INV.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract INV.exe

outlook_win_path 1 IoCs

Processes:

Contract INV.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract INV.exe

C:\Users\Admin\AppData\Local\Temp\Contract INV.exe
"C:\Users\Admin\AppData\Local\Temp\Contract INV.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572

C:\Users\Admin\AppData\Local\Temp\Contract INV.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2028

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

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\Contract INV.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1572-130-0x00000000001F0000-0x0000000000276000-memory.dmp

Filesize
536KB

Download
memory/1572-131-0x0000000004FD0000-0x0000000005574000-memory.dmp

Filesize
5.6MB

Download
memory/1572-132-0x0000000004AD0000-0x0000000004B62000-memory.dmp

Filesize
584KB

Download
memory/1572-133-0x0000000004C80000-0x0000000004C8A000-memory.dmp

Filesize
40KB

Download
memory/1572-134-0x0000000008A10000-0x0000000008AAC000-memory.dmp

Filesize
624KB

Download
memory/2028-135-0x0000000000000000-mapping.dmp

Download
memory/2028-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2028-138-0x0000000005CB0000-0x0000000005D16000-memory.dmp

Filesize
408KB

Download
memory/2028-139-0x0000000006580000-0x00000000065D0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads