agenttesla | 85759a08474216312dcb74e132817fe353f20631c854e3ccd95c97036590e7e1

General

Target

NEW INVOICE.exe
Size

561KB
MD5

55b95046471af229ee99c420a9305466
SHA1

5722d102e4010564f2428ed878c58a8a6a865e45
SHA256

f63a89559c83329e8ea8f79ad5cbd03d3ae2f5a71312f26feecc132379c14eab
SHA512

8eddf9d88a340fc70201fc6c2dd4b9ac9cf4523e0de24404ed2fe7ca98a832d4a30786ce82234829a2ef93d85ac83547829660cb121b0a19a7ca26af6dba9e69

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.proetizo.com
Port:
587
Username:
[email protected]
Password:
:n7#l_CcH8wh

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/4952-138-0x0000000000400000-0x000000000044E000-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:

NEW INVOICE.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	NEW 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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW INVOICE.exe

description pid process target process

PID 2644 set thread context of 4952 2644 NEW 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

3180 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

NEW INVOICE.exeRegSvcs.exe

pid process

2644 NEW INVOICE.exe
2644 NEW INVOICE.exe
2644 NEW INVOICE.exe
4952 RegSvcs.exe
4952 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEW INVOICE.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2644 NEW INVOICE.exe
Token: SeDebugPrivilege 4952 RegSvcs.exe

description	pid	process	target process
PID 2644 set thread context of 4952	2644	NEW INVOICE.exe	RegSvcs.exe

pid	process
3180	schtasks.exe

pid	process
2644	NEW INVOICE.exe
2644	NEW INVOICE.exe
2644	NEW INVOICE.exe
4952	RegSvcs.exe
4952	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2644	NEW INVOICE.exe
Token: SeDebugPrivilege	4952	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

NEW INVOICE.exe

description	pid	process	target process
PID 2644 wrote to memory of 3180	2644	NEW INVOICE.exe	schtasks.exe
PID 2644 wrote to memory of 3180	2644	NEW INVOICE.exe	schtasks.exe
PID 2644 wrote to memory of 3180	2644	NEW INVOICE.exe	schtasks.exe
PID 2644 wrote to memory of 4952	2644	NEW INVOICE.exe	RegSvcs.exe
PID 2644 wrote to memory of 4952	2644	NEW INVOICE.exe	RegSvcs.exe
PID 2644 wrote to memory of 4952	2644	NEW INVOICE.exe	RegSvcs.exe
PID 2644 wrote to memory of 4952	2644	NEW INVOICE.exe	RegSvcs.exe
PID 2644 wrote to memory of 4952	2644	NEW INVOICE.exe	RegSvcs.exe
PID 2644 wrote to memory of 4952	2644	NEW INVOICE.exe	RegSvcs.exe
PID 2644 wrote to memory of 4952	2644	NEW INVOICE.exe	RegSvcs.exe
PID 2644 wrote to memory of 4952	2644	NEW INVOICE.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\NEW INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\NEW INVOICE.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aVEwpDPWQpr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp37E8.tmp"
2⤵
- Creates scheduled task(s)
PID:3180

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4952

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp37E8.tmp

Filesize
1KB

MD5
085222dc7313d0b8c2002ecea0116262

SHA1
b70752ed235166277837a06a002712b9a37d26c2

SHA256
8b3dedff782d0941e6e9c3e1696782c869de8801f1353acce1d09191ab7b091f

SHA512
5e64eb7e2f7ca69459ae304ef992534b890d7e28d7d0546b6aa4070e499064910939c68b83f2dc42bac568e03700e180b80f88f3db80cf21a29ea9d561eea415

Download Submit
memory/2644-130-0x00000000001A0000-0x0000000000236000-memory.dmp

Filesize
600KB

Download
memory/2644-131-0x00000000052E0000-0x0000000005884000-memory.dmp

Filesize
5.6MB

Download
memory/2644-132-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/2644-133-0x0000000004E50000-0x0000000004E5A000-memory.dmp

Filesize
40KB

Download
memory/2644-134-0x00000000087E0000-0x000000000887C000-memory.dmp

Filesize
624KB

Download
memory/3180-135-0x0000000000000000-mapping.dmp

Download
memory/4952-137-0x0000000000000000-mapping.dmp

Download
memory/4952-138-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4952-139-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/4952-140-0x0000000006970000-0x00000000069C0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads