agenttesla | d70ef7100ac3b81d499e79035dd0b44c42ace5ae7b2b8a37a7d1eff742a27d9e

General

Target

ab.exe
Size

903KB
MD5

9ce4ad1c6b3922f9b1f5e791cd67ca4c
SHA1

684fd0a504a88891c7886b2f66a88b31e19d4fa8
SHA256

d70ef7100ac3b81d499e79035dd0b44c42ace5ae7b2b8a37a7d1eff742a27d9e
SHA512

ae09c4ecab4681f41c7e68fceb7a68e18d7360efa6b34df5347951c7420c807ea2c53152f6782d1d38c138829aceb7c5c815078e6fa13bbb490e7d3cab52a671

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.manlogistics.in
Port:
587
Username:
[email protected]
Password:
Ma&*$367Jhn

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/856-65-0x0000000000400000-0x000000000047E000-memory.dmp	family_agenttesla
behavioral1/memory/856-66-0x0000000000400000-0x000000000047E000-memory.dmp	family_agenttesla
behavioral1/memory/856-67-0x0000000000400000-0x000000000047E000-memory.dmp	family_agenttesla
behavioral1/memory/856-68-0x00000000004376FE-mapping.dmp	family_agenttesla
behavioral1/memory/856-69-0x0000000000400000-0x000000000047E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

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

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	RegSvcs.exe

Drops file in System32 directory 1 IoCs

Processes:

mmc.exe

description ioc process

File opened for modification C:\Windows\system32\devmgmt.msc mmc.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ab.exe

description pid process target process

PID 1648 set thread context of 856 1648 ab.exe RegSvcs.exe
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

Processes:

schtasks.exe

pid process

752 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

856 RegSvcs.exe
856 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

mmc.exe

pid process

1592 mmc.exe

description	ioc	process
File opened for modification	C:\Windows\system32\devmgmt.msc	mmc.exe

description	pid	process	target process
PID 1648 set thread context of 856	1648	ab.exe	RegSvcs.exe

pid	process
752	schtasks.exe

pid	process
856	RegSvcs.exe
856	RegSvcs.exe

pid	process
1592	mmc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ab.exeRegSvcs.exemmc.exe

description	pid	process
Token: SeDebugPrivilege	1648	ab.exe
Token: SeDebugPrivilege	856	RegSvcs.exe
Token: 33	1592	mmc.exe
Token: SeIncBasePriorityPrivilege	1592	mmc.exe
Token: 33	1592	mmc.exe
Token: SeIncBasePriorityPrivilege	1592	mmc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mmc.exe

pid process

1592 mmc.exe
1592 mmc.exe

pid	process
1592	mmc.exe
1592	mmc.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

ab.exe

description	pid	process	target process
PID 1648 wrote to memory of 752	1648	ab.exe	schtasks.exe
PID 1648 wrote to memory of 752	1648	ab.exe	schtasks.exe
PID 1648 wrote to memory of 752	1648	ab.exe	schtasks.exe
PID 1648 wrote to memory of 752	1648	ab.exe	schtasks.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe
PID 1648 wrote to memory of 856	1648	ab.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ab.exe
"C:\Users\Admin\AppData\Local\Temp\ab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tGUCfQbGRB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88BF.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:752
- 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:856

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1072

C:\Windows\System32\control.exe
"C:\Windows\System32\control.exe" SYSTEM
1⤵
PID:1676

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
PID:752

C:\Windows\system32\systempropertiesremote.exe
"C:\Windows\system32\systempropertiesremote.exe"
1⤵
PID:1760

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
PID:1656

C:\Windows\system32\mmc.exe
"C:\Windows\system32\mmc.exe" C:\Windows\system32\devmgmt.msc
1⤵
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1592

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\tmp88BF.tmp

MD5
53bc1f977e13f870666fe4af9fc6d6f7

SHA1
caa5e013689c19c1baf19b39b2c16a6c3a68a0ce

SHA256
30c9e126a83207d1b4d98e312229d6dec94645f1e271d502f3aad6859276a116

SHA512
a208e8e171765e902f659f8c8237fcbd574540185d2212d335bf99d031fa83245a638e90e99c66597845672f3b41abfb77bcc763d6af54d8c119295d28ec25a8

Download Submit
memory/752-61-0x0000000000000000-mapping.dmp

Download
memory/752-76-0x000000006E7B1000-0x000000006E7B3000-memory.dmp

Filesize
8KB

Download
memory/856-71-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/856-67-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/856-73-0x0000000004A71000-0x0000000004A72000-memory.dmp

Filesize
4KB

Download
memory/856-69-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/856-68-0x00000000004376FE-mapping.dmp

Download
memory/856-63-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/856-64-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/856-65-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/856-66-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1072-72-0x000007FEFBB21000-0x000007FEFBB23000-memory.dmp

Filesize
8KB

Download
memory/1592-80-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/1648-59-0x0000000008140000-0x00000000081E2000-memory.dmp

Filesize
648KB

Download
memory/1648-57-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/1648-58-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1648-54-0x0000000001330000-0x0000000001331000-memory.dmp

Filesize
4KB

Download
memory/1648-60-0x000000000A910000-0x000000000A98A000-memory.dmp

Filesize
488KB

Download
memory/1648-56-0x0000000076431000-0x0000000076433000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads