agenttesla | 6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6

General

Target

INVOICE.exe
Size

924KB
MD5

ef6a8631e2ef9254a647106872815787
SHA1

9149ed25102187a42bf8668a1b0426e1be63bc4a
SHA256

6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6
SHA512

90dad9ee231a1b6fb9d057677a76f2aebb36c5cb3224634eec88826524423cb9cc5c1bd2dc5e7792cd9de0458999306799e201166c076854a60de62fbb3fbef8
SSDEEP

12288:BiDg/A7YM21pisudT+i6Z0r7azvNvLBEet1imkRPuZb3TZj4ooHApUfrwY4p:Blppz67cvNFEU1imIq3ljfUfrwY4p

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\KFWOdr = "C:\\Users\\Admin\\AppData\\Roaming\\KFWOdr\\KFWOdr.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 976	1824	INVOICE.exe	29

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

pid	Process
1972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1824	INVOICE.exe
976	RegSvcs.exe
976	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	INVOICE.exe
Token: SeDebugPrivilege	976	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 1972	1824	INVOICE.exe	27
PID 1824 wrote to memory of 1972	1824	INVOICE.exe	27
PID 1824 wrote to memory of 1972	1824	INVOICE.exe	27
PID 1824 wrote to memory of 1972	1824	INVOICE.exe	27
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29
PID 1824 wrote to memory of 976	1824	INVOICE.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PiuhWRUjFj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84E9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1972
- 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:976

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

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\tmp84E9.tmp

Filesize
1KB

MD5
25953af73000c4d4909fe966ddc25013

SHA1
2c9eba488a442403f50461bf3b276734fed8f95f

SHA256
7de35cddbd227baaa40718c024893b7b89353987472b3f19745d8b368a2eead9

SHA512
e022fee09e134568fb6f9a0a8f27bdc9043ca5675fb5d82b4a51af0a7cfdc675dbb61e495d108fe39995b3a3a2e8ff4af7c00add404b321c51549fd4f938bfb0

Download Submit
memory/976-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/976-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/976-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/976-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/976-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/976-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/976-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1824-54-0x0000000000D00000-0x0000000000DEC000-memory.dmp

Filesize
944KB

Download
memory/1824-55-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

Download
memory/1824-56-0x0000000000330000-0x0000000000350000-memory.dmp

Filesize
128KB

Download
memory/1824-58-0x0000000000C30000-0x0000000000C6A000-memory.dmp

Filesize
232KB

Download
memory/1824-57-0x0000000005300000-0x000000000537A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads