agenttesla | a79ec100c7ba4df9ecba5aa57f0e62ba2712687b1cc7fae30f795184b63c58ba

General

Target

Due Invoice.exe
Size

410KB
MD5

84dc340e56d31e9da2e04d9cff00c89f
SHA1

ee3590a44a19694e1f30efba34fc8e6c393620ff
SHA256

a17438d009e8a6e90b846941faaeaecd1a71951f97d4b8aa312ad1b2b7a420b2
SHA512

a2976b236827c9dbc1a05ff653cb1ce3bdf227e4848d4462b83f45fbc0dcf5d238a5da1c86b0023ed9f946e65998cb4eb274ba64e886e1b80d5401d4f952034f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
bigboy5570@@@@

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
bigboy5570@@@@

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/4728-134-0x0000000000400000-0x000000000044A000-memory.dmp	family_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:

Due Invoice.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Due Invoice.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Due Invoice.exe

description pid process target process

PID 2160 set thread context of 4728 2160 Due Invoice.exe RegSvcs.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

2968 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Due Invoice.exeRegSvcs.exe

pid process

2160 Due Invoice.exe
4728 RegSvcs.exe
4728 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Due Invoice.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2160 Due Invoice.exe
Token: SeDebugPrivilege 4728 RegSvcs.exe

description	pid	process	target process
PID 2160 set thread context of 4728	2160	Due Invoice.exe	RegSvcs.exe

pid	process
2968	schtasks.exe

pid	process
2160	Due Invoice.exe
4728	RegSvcs.exe
4728	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2160	Due Invoice.exe
Token: SeDebugPrivilege	4728	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Due Invoice.exe

description	pid	process	target process
PID 2160 wrote to memory of 2968	2160	Due Invoice.exe	schtasks.exe
PID 2160 wrote to memory of 2968	2160	Due Invoice.exe	schtasks.exe
PID 2160 wrote to memory of 2968	2160	Due Invoice.exe	schtasks.exe
PID 2160 wrote to memory of 4728	2160	Due Invoice.exe	RegSvcs.exe
PID 2160 wrote to memory of 4728	2160	Due Invoice.exe	RegSvcs.exe
PID 2160 wrote to memory of 4728	2160	Due Invoice.exe	RegSvcs.exe
PID 2160 wrote to memory of 4728	2160	Due Invoice.exe	RegSvcs.exe
PID 2160 wrote to memory of 4728	2160	Due Invoice.exe	RegSvcs.exe
PID 2160 wrote to memory of 4728	2160	Due Invoice.exe	RegSvcs.exe
PID 2160 wrote to memory of 4728	2160	Due Invoice.exe	RegSvcs.exe
PID 2160 wrote to memory of 4728	2160	Due Invoice.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Due Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Due Invoice.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XJiPksWxK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35F4.tmp"
2⤵
- Creates scheduled task(s)
PID:2968

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4728

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp35F4.tmp
Filesize
1KB

MD5
580f7542d1fff1c3e3c86f28c3721691

SHA1
ca2af2a534fdbaaee2b0c0b6bde05e256b2fcfcb

SHA256
498d8475528aae463c9d69d9189b70c721cdfcc8c580b3e56866c20bdcece609

SHA512
108e0907516342b07b6b004265371bc5cede4861321bcc09a92ce535c3a0e9a14503261ee4e2f1a5a164eea5f5e0fe236e574f80d41bf23aa91acad72ea988bf

Download Submit
memory/2160-130-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/2968-131-0x0000000000000000-mapping.dmp

Download
memory/4728-133-0x0000000000000000-mapping.dmp

Download
memory/4728-134-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4728-135-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads