agenttesla | 0e643a127fdcae3f0ada30f6448e0db52e1220b591da686d5b6895e5a26c1efa

General

Target

NEW PO.exe
Size

552KB
MD5

a6da76fa51f029d56650a892efc0f353
SHA1

1e23cde32f44ea7e2eb4a23248a8c7d40b595e2c
SHA256

80f41a09d12356205262bb77b16daeaf2a284a89fd737b042149a4207f16c702
SHA512

a1b4d0ca8066f83453004eac7e73baf94575d4af45f2a00c1fe42bff70a8375105a685efecad2c52604ecf3b5e9300650588fdaf9cb1330e00ba00795b5832b9

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.cka.com.sg
Port:
587
Username:
agnes@cka.com.sg
Password:
agnescka82

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cka.com.sg
Port:
587
Username:
agnes@cka.com.sg
Password:
agnescka82

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/1108-134-0x0000000000400000-0x000000000044A000-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:

NEW PO.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation NEW PO.exe
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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NEW PO.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW PO.exe

description pid process target process

PID 452 set thread context of 1108 452 NEW PO.exe NEW PO.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

2552 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

NEW PO.exeNEW PO.exe

pid process

452 NEW PO.exe
1108 NEW PO.exe
1108 NEW PO.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEW PO.exeNEW PO.exe

description pid process

Token: SeDebugPrivilege 452 NEW PO.exe
Token: SeDebugPrivilege 1108 NEW PO.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

NEW PO.exe

pid process

1108 NEW PO.exe

description	pid	process	target process
PID 452 set thread context of 1108	452	NEW PO.exe	NEW PO.exe

pid	process
2552	schtasks.exe

pid	process
452	NEW PO.exe
1108	NEW PO.exe
1108	NEW PO.exe

description	pid	process
Token: SeDebugPrivilege	452	NEW PO.exe
Token: SeDebugPrivilege	1108	NEW PO.exe

pid	process
1108	NEW PO.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

NEW PO.exe

description	pid	process	target process
PID 452 wrote to memory of 2552	452	NEW PO.exe	schtasks.exe
PID 452 wrote to memory of 2552	452	NEW PO.exe	schtasks.exe
PID 452 wrote to memory of 2552	452	NEW PO.exe	schtasks.exe
PID 452 wrote to memory of 1108	452	NEW PO.exe	NEW PO.exe
PID 452 wrote to memory of 1108	452	NEW PO.exe	NEW PO.exe
PID 452 wrote to memory of 1108	452	NEW PO.exe	NEW PO.exe
PID 452 wrote to memory of 1108	452	NEW PO.exe	NEW PO.exe
PID 452 wrote to memory of 1108	452	NEW PO.exe	NEW PO.exe
PID 452 wrote to memory of 1108	452	NEW PO.exe	NEW PO.exe
PID 452 wrote to memory of 1108	452	NEW PO.exe	NEW PO.exe
PID 452 wrote to memory of 1108	452	NEW PO.exe	NEW PO.exe

outlook_office_path 1 IoCs

Processes:

NEW PO.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	NEW PO.exe

outlook_win_path 1 IoCs

Processes:

NEW PO.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	NEW PO.exe

C:\Users\Admin\AppData\Local\Temp\NEW PO.exe
"C:\Users\Admin\AppData\Local\Temp\NEW PO.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FdQjxu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9402.tmp"
2⤵
- Creates scheduled task(s)
PID:2552

C:\Users\Admin\AppData\Local\Temp\NEW PO.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\NEW PO.exe.log
Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9402.tmp
Filesize
1KB

MD5
3bc915f0953eb4f9de5e851e8c7656c0

SHA1
2c86d7679e8f0fe62a3995f8c15579a6322270bd

SHA256
494d1544a568ecd9920a73f67c5ebe70ba5ee74e72e7e0a7419a6e0b478335ae

SHA512
5c446ebe050ff46dfb58826f173e0b0d369de5e182265832c67e3d3c48883ca7d46792cf4e47c78489541c3cb995e0360da5713137056f444e5da1d621bbfd05

Download Submit
memory/452-130-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/1108-133-0x0000000000000000-mapping.dmp

Download
memory/1108-134-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1108-136-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/2552-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads