agenttesla | 7b0a23e523d1947d62a47bf8260d031a5ef93fd54bc0ada0cb2b0aa43d7df918

General

Target

order.exe
Size

1.0MB
MD5

ab1a6b8171f7a1efcb1600b49dfdd234
SHA1

f33bb81ccc85722f746980bb1b5aee8033aa4de7
SHA256

01cd063d42c49b0612db611805a26403a9418e18f683321012809158bbd27742
SHA512

d86e423e05dea38700c0452f2fe9fdd33f0d5c70f3df00681c359cbd72853ea01e900c9797e1cc78f3387060470fa62d383df1dde8ead184bac43c68ec2d1506
SSDEEP

24576:ayBcjP6+BO3gdnpGL/QKxP4PH+0Cn3SB:Q9O30+IKxv043S

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.smart-noodles.com
Port:
587
Username:
[email protected]
Password:
info@#$%^&*()

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2104-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2104-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2104-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2104-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2104-14-0x0000000000400000-0x000000000043C000-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

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 2104	1680	order.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1680	order.exe
1680	order.exe
1680	order.exe
1680	order.exe
2104	RegSvcs.exe
2104	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	order.exe
Token: SeDebugPrivilege	2104	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2656	1680	order.exe	31
PID 1680 wrote to memory of 2656	1680	order.exe	31
PID 1680 wrote to memory of 2656	1680	order.exe	31
PID 1680 wrote to memory of 2656	1680	order.exe	31
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33
PID 1680 wrote to memory of 2104	1680	order.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\order.exe
"C:\Users\Admin\AppData\Local\Temp\order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gUkVmFaQx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7D2B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2656
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7D2B.tmp

Filesize
1KB

MD5
45203aedc68a4dce826f4d87b7633583

SHA1
594d13e40624ef9774a0fba6b2db688d92ef010f

SHA256
882fafb1882445fba84c5b32a6b09ef1962fdd8b84d8c564c446a02574149f29

SHA512
6b3cd15cb1efe1fb61ff860a5d6fba986967ec6e68ffcb5d2d1863c9aa1142b6d76a47429cbdf8147449fee188f09305756cfce461afc4f980dc119b95e140ef

Download Submit
memory/1680-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/1680-1-0x0000000001240000-0x000000000134E000-memory.dmp

Filesize
1.1MB

Download
memory/1680-2-0x0000000000980000-0x0000000000992000-memory.dmp

Filesize
72KB

Download
memory/1680-3-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/1680-4-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/1680-5-0x0000000001190000-0x0000000001222000-memory.dmp

Filesize
584KB

Download
memory/1680-6-0x00000000079A0000-0x0000000007A2A000-memory.dmp

Filesize
552KB

Download
memory/1680-24-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2104-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2104-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2104-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2104-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2104-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2104-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2104-23-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2104-25-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-26-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-27-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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