agenttesla | 09cccd5cfacbd5bd098ac4e9764afb2a1f83e0f255ac7ad28dc05819483627d3

General

Target

Account_Details.exe
Size

437KB
MD5

615bf96891a61c261995f100b65f5097
SHA1

2e160435fdb8407bbff4ed8d71bde0f317365a27
SHA256

1fa1363c857cc46f603a4eff38b86058b80ecca1f554c65e943f94725b5c2570
SHA512

720aa5e9b33b9a06cf74c36f64acc3ba57c5bf3910fa253a5d3194233edc6c024383dcc13f39b49328279196c1e3b118151cc00f8dff5cd7028688d01eb24f64

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aquariuslogistics.com
Port:
587
Username:
[email protected]
Password:
AQL@2019#$

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/1392-138-0x0000000000400000-0x000000000044E000-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:

Account_Details.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	Account_Details.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Account_Details.exe

description pid process target process

PID 4892 set thread context of 1392 4892 Account_Details.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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1060 1392 WerFault.exe RegSvcs.exe
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

2044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1392 RegSvcs.exe
1392 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1392 RegSvcs.exe

description	pid	process	target process
PID 4892 set thread context of 1392	4892	Account_Details.exe	RegSvcs.exe

pid	pid_target	process	target process
1060	1392	WerFault.exe	RegSvcs.exe

pid	process
2044	schtasks.exe

pid	process
1392	RegSvcs.exe
1392	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1392	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Account_Details.exe

description	pid	process	target process
PID 4892 wrote to memory of 2044	4892	Account_Details.exe	schtasks.exe
PID 4892 wrote to memory of 2044	4892	Account_Details.exe	schtasks.exe
PID 4892 wrote to memory of 2044	4892	Account_Details.exe	schtasks.exe
PID 4892 wrote to memory of 1392	4892	Account_Details.exe	RegSvcs.exe
PID 4892 wrote to memory of 1392	4892	Account_Details.exe	RegSvcs.exe
PID 4892 wrote to memory of 1392	4892	Account_Details.exe	RegSvcs.exe
PID 4892 wrote to memory of 1392	4892	Account_Details.exe	RegSvcs.exe
PID 4892 wrote to memory of 1392	4892	Account_Details.exe	RegSvcs.exe
PID 4892 wrote to memory of 1392	4892	Account_Details.exe	RegSvcs.exe
PID 4892 wrote to memory of 1392	4892	Account_Details.exe	RegSvcs.exe
PID 4892 wrote to memory of 1392	4892	Account_Details.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\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-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Account_Details.exe
"C:\Users\Admin\AppData\Local\Temp\Account_Details.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4892

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nznuCTDzZhSJz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE995.tmp"
2⤵
- Creates scheduled task(s)
PID:2044

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 1612
3⤵
- Program crash
PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1392 -ip 1392
1⤵
PID:1256

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

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\tmpE995.tmp
Filesize
1KB

MD5
d1a0ab60dd93a93e677f63808ddeaeb9

SHA1
3842b49632025a69fcc358f75ad155182cb659a3

SHA256
68f8774671ad8988fbe631cfd18b1ca0ef076754b61628b5b74c15bf7ba9f780

SHA512
04364ca477a93ae6de45fd6ae578898fd8bed5b74aff681a6c8adbba8ab0067897b1a7b254ca397df25da5afe97d339a11510e84f8153576ca264dbab3c53830

Download Submit
memory/1392-137-0x0000000000000000-mapping.dmp

Download
memory/1392-138-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1392-139-0x0000000005480000-0x00000000054E6000-memory.dmp

Filesize
408KB

Download
memory/1392-140-0x0000000006760000-0x00000000067B0000-memory.dmp

Filesize
320KB

Download
memory/2044-135-0x0000000000000000-mapping.dmp

Download
memory/4892-130-0x0000000000370000-0x00000000003E4000-memory.dmp

Filesize
464KB

Download
memory/4892-131-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/4892-132-0x0000000004D80000-0x0000000004E12000-memory.dmp

Filesize
584KB

Download
memory/4892-133-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/4892-134-0x00000000087F0000-0x000000000888C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads