agenttesla | 6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6

General

Target

6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.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

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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 4460 set thread context of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93

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
3456	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe
4448	RegSvcs.exe
4448	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe
Token: SeDebugPrivilege	4448	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 3456	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	91
PID 4460 wrote to memory of 3456	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	91
PID 4460 wrote to memory of 3456	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	91
PID 4460 wrote to memory of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93
PID 4460 wrote to memory of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93
PID 4460 wrote to memory of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93
PID 4460 wrote to memory of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93
PID 4460 wrote to memory of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93
PID 4460 wrote to memory of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93
PID 4460 wrote to memory of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93
PID 4460 wrote to memory of 4448	4460	6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe
"C:\Users\Admin\AppData\Local\Temp\6f9a61bb7b17a4cb23733695d0c74ed1dff8d0645c2ee68f74b2cd6716baacd6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PiuhWRUjFj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE19B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3456
- 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:4448

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE19B.tmp

Filesize
1KB

MD5
1ff7a8f708d97576b5e487fc2575e29e

SHA1
99c1c7a3c7c17691e1eed89d30420224ab5ee705

SHA256
d3f523afc2b65cb3d01c16cb41fc77f208affd824409a070fd020d1546a8ca5f

SHA512
ae7a3f803f50ca2f364fce20b18ccb16ca1b30b6bd730599d9da0ba3c908dbb2f87a021e759e74f3f31c85bec92aaaab9468837f9637d3e809099d928d4f6bce

Download Submit
memory/4448-140-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4448-141-0x0000000006360000-0x00000000063C6000-memory.dmp

Filesize
408KB

Download
memory/4448-142-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Filesize
320KB

Download
memory/4460-132-0x00000000000B0000-0x000000000019C000-memory.dmp

Filesize
944KB

Download
memory/4460-133-0x0000000005060000-0x0000000005604000-memory.dmp

Filesize
5.6MB

Download
memory/4460-134-0x0000000004B50000-0x0000000004BE2000-memory.dmp

Filesize
584KB

Download
memory/4460-135-0x0000000004C90000-0x0000000004D2C000-memory.dmp

Filesize
624KB

Download
memory/4460-136-0x0000000004B40000-0x0000000004B4A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads