agenttesla | c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7

General

Target

c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe
Size

1.5MB
MD5

e7c0cec033495b350b70271de9a127c1
SHA1

9759f386b7721a10b84212ee4ec4b91c0e3b1ba6
SHA256

c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7
SHA512

4652ed69f047a585017ce710ecd044346e3ac4d7cb159adba9246a2520fbad0f7395d83f0ebe0b4148b140775731a2ba192f7f0707b2add9d90072175c8b49d6
SSDEEP

24576:z1/HEFP4BEb2fxuMq0fqv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:zVqSkmxu56ijLoyEkmZ9Y14

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.swarnford.in
Port:
587
Username:
[email protected]
Password:
F!go#456

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.swarnford.in
Port:
587
Username:
[email protected]
Password:
F!go#456
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\QauBad = "C:\\Users\\Admin\\AppData\\Roaming\\QauBad\\QauBad.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99

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	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.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
4632	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe
524	RegSvcs.exe
524	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe
Token: SeDebugPrivilege	524	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 4632	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	97
PID 2296 wrote to memory of 4632	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	97
PID 2296 wrote to memory of 4632	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	97
PID 2296 wrote to memory of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99
PID 2296 wrote to memory of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99
PID 2296 wrote to memory of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99
PID 2296 wrote to memory of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99
PID 2296 wrote to memory of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99
PID 2296 wrote to memory of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99
PID 2296 wrote to memory of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99
PID 2296 wrote to memory of 524	2296	c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe
"C:\Users\Admin\AppData\Local\Temp\c84693b4a478de08b400a4acef57303dbf75d4d7800ed0c44a478ed4ee967ca7.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XOQBVfPVkSqT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE53.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4632
- 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:524

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

Query Registry

1

T1012

System Information Discovery

2

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\tmpE53.tmp

Filesize
1KB

MD5
9fb394ddf83904f514197c63867bf7fe

SHA1
034d248a60b068089a39816dde5f727c0a68a753

SHA256
dc88486eaaf9f18addf57ae6c762a81e0afabb63bf9c3591c2e75603da4c5027

SHA512
307b7667f809447004b65a3cf6dc722453c5145f1232f455322f820360b996481b7bb14672127fc6a13d0dc4d7ab108f1c4cf7b508dda4490cc740b7d3b84f04

Download Submit
memory/524-27-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/524-26-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/524-25-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/524-24-0x0000000006840000-0x0000000006890000-memory.dmp

Filesize
320KB

Download
memory/524-21-0x0000000006330000-0x0000000006396000-memory.dmp

Filesize
408KB

Download
memory/524-20-0x00000000055A0000-0x00000000055B8000-memory.dmp

Filesize
96KB

Download
memory/524-19-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/524-17-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/524-15-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2296-10-0x0000000006770000-0x00000000067EA000-memory.dmp

Filesize
488KB

Download
memory/2296-11-0x0000000008C00000-0x0000000008C3A000-memory.dmp

Filesize
232KB

Download
memory/2296-0-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/2296-9-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/2296-8-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/2296-18-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/2296-7-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/2296-5-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/2296-6-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/2296-4-0x00000000052D0000-0x000000000536C000-memory.dmp

Filesize
624KB

Download
memory/2296-3-0x0000000005120000-0x00000000051B2000-memory.dmp

Filesize
584KB

Download
memory/2296-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/2296-1-0x00000000005B0000-0x000000000073C000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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