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 collection 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 7 IoCs

resource	yara_rule
behavioral1/memory/2276-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2276-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2276-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2276-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2276-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2276-26-0x00000000047B0000-0x00000000047F0000-memory.dmp	family_agenttesla
behavioral1/memory/2276-29-0x00000000047B0000-0x00000000047F0000-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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-1-5-21-1658372521-4246568289-2509113762-1000\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 1660 set thread context of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30

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
2524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2276	RegSvcs.exe
2276	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	c953399d37a195802a9665620cae4e9b.exe
Token: SeDebugPrivilege	2276	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2524	1660	c953399d37a195802a9665620cae4e9b.exe	28
PID 1660 wrote to memory of 2524	1660	c953399d37a195802a9665620cae4e9b.exe	28
PID 1660 wrote to memory of 2524	1660	c953399d37a195802a9665620cae4e9b.exe	28
PID 1660 wrote to memory of 2524	1660	c953399d37a195802a9665620cae4e9b.exe	28
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30
PID 1660 wrote to memory of 2276	1660	c953399d37a195802a9665620cae4e9b.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\c953399d37a195802a9665620cae4e9b.exe
"C:\Users\Admin\AppData\Local\Temp\c953399d37a195802a9665620cae4e9b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QHrBiCQZvkK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB6B2.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2524
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2276

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB6B2.tmp

Filesize
1KB

MD5
a16b5516a83f2d53eea5cd1719fc2201

SHA1
452240fdd2816e7e895dc72bea51358a26622262

SHA256
77a3e7a960e6f25df224c782e8a40c00f6e26636ee476bf5efbe3b07934daa3d

SHA512
decc0ed6e05aa99d1b1545356b22ea0a96bc7163803ca5792f675a66289832a4cbc936b49756637d6df8d6209a7cdf3fb49d713701872ba2118862356ccde3e8

Download Submit
memory/1660-1-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1660-0-0x0000000001140000-0x000000000129E000-memory.dmp

Filesize
1.4MB

Download
memory/1660-2-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/1660-3-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-4-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1660-5-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/1660-6-0x0000000005C20000-0x0000000005CB4000-memory.dmp

Filesize
592KB

Download
memory/1660-7-0x00000000046A0000-0x00000000046F0000-memory.dmp

Filesize
320KB

Download
memory/1660-24-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2276-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2276-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2276-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2276-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2276-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2276-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2276-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2276-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2276-25-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2276-26-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download
memory/2276-28-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2276-29-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download
memory/2276-31-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download
memory/2276-32-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads