agenttesla | 45fcc59bfbef8829e6261a4dbdc690c2ee1bc3de116fba86a7312a69b48bcf26

General

Target

c953399d37a195802a9665620cae4e9b.exe
Size

1.3MB
MD5

c953399d37a195802a9665620cae4e9b
SHA1

4bb7f89dcddffeed07496c950350e96ddf9ee0c9
SHA256

45fcc59bfbef8829e6261a4dbdc690c2ee1bc3de116fba86a7312a69b48bcf26
SHA512

2cedb33e48ebe9e53c4e928c80705f35a94b32e88471fd893d01a48d2322b2ff228a798212f81c834dee2751f433b975eb263d6c99d4d33231e708819388cfa8
SSDEEP

12288:QikXqKBb61CF47UhzrdkK4f5nc/tBe7sc2jwr2Nf3F0yBzlzn+Vs5rbK4HtLGEUz:lkDbF476HdqK/tBNMr

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
[email protected]
Password:
password2021

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4852-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	c953399d37a195802a9665620cae4e9b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job

T1053

pid	Process
1840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4852	RegSvcs.exe
4852	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4852	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 1840	4848	c953399d37a195802a9665620cae4e9b.exe	102
PID 4848 wrote to memory of 1840	4848	c953399d37a195802a9665620cae4e9b.exe	102
PID 4848 wrote to memory of 1840	4848	c953399d37a195802a9665620cae4e9b.exe	102
PID 4848 wrote to memory of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108
PID 4848 wrote to memory of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108
PID 4848 wrote to memory of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108
PID 4848 wrote to memory of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108
PID 4848 wrote to memory of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108
PID 4848 wrote to memory of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108
PID 4848 wrote to memory of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108
PID 4848 wrote to memory of 4852	4848	c953399d37a195802a9665620cae4e9b.exe	108

C:\Users\Admin\AppData\Local\Temp\c953399d37a195802a9665620cae4e9b.exe
"C:\Users\Admin\AppData\Local\Temp\c953399d37a195802a9665620cae4e9b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QHrBiCQZvkK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB6F7.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB6F7.tmp

Filesize
1KB

MD5
1e5fef43f309984020a7caba03e590cb

SHA1
8d45d5c931cb1bbfc555fba1cb7d863baa735cf5

SHA256
cb088c145cf041c9ebd5990ce68f16652e5f6e7b57121b74874144d7138c784e

SHA512
eb36d3383fa8cd64f6ff4cc9a529f450694b5aa5af5e7abdf5378238a6faa5feb4e3a656a94f648e5a89d0bfb3e8f4460275e98874d758ac1f1a7586a79c5517

Download Submit
memory/4848-10-0x0000000005B10000-0x0000000005B20000-memory.dmp

Filesize
64KB

Download
memory/4848-5-0x0000000005B10000-0x0000000005B20000-memory.dmp

Filesize
64KB

Download
memory/4848-11-0x0000000001520000-0x00000000015B4000-memory.dmp

Filesize
592KB

Download
memory/4848-1-0x0000000000D90000-0x0000000000EEE000-memory.dmp

Filesize
1.4MB

Download
memory/4848-12-0x00000000015B0000-0x0000000001600000-memory.dmp

Filesize
320KB

Download
memory/4848-6-0x0000000005980000-0x000000000598A000-memory.dmp

Filesize
40KB

Download
memory/4848-7-0x0000000005C10000-0x0000000005C66000-memory.dmp

Filesize
344KB

Download
memory/4848-8-0x00000000052D0000-0x00000000052E4000-memory.dmp

Filesize
80KB

Download
memory/4848-9-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4848-0-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4848-3-0x0000000005EE0000-0x0000000006484000-memory.dmp

Filesize
5.6MB

Download
memory/4848-2-0x0000000005890000-0x000000000592C000-memory.dmp

Filesize
624KB

Download
memory/4848-4-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/4848-20-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4852-18-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4852-19-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/4852-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4852-21-0x0000000005600000-0x0000000005618000-memory.dmp

Filesize
96KB

Download
memory/4852-22-0x00000000065E0000-0x0000000006646000-memory.dmp

Filesize
408KB

Download
memory/4852-23-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4852-24-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads