agenttesla | 1934c9d93e6a4198e68757441c611e6c31306b38aeec33a5f1f6c09f1f8ce466

General

Target

CWXMF230300599.pdf.exe
Size

988KB
MD5

06d1f96907c8265da37dfd9dcce3bff3
SHA1

df6e90bc4534b80433b045ba767d62d3f170ae6e
SHA256

1934c9d93e6a4198e68757441c611e6c31306b38aeec33a5f1f6c09f1f8ce466
SHA512

3b7562f2a03037ce2b4c3fdf5f5391ba8036697939d336f9b23a835d717297397f32e65815cfb55c949822012200cdd89a7ea95db6269488eb391b0911917aa8
SSDEEP

12288:OWoCRCrFF1HvV7J9BEMF/UTpUMCyrxLxoWMLI8N2RMXmPqpYyEiGen55bQ+k9iFs:BoCRC77J9tGtWINag

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.unitechautomations.com
Port:
587
Username:
[email protected]
Password:
Unitech@123
Email To:
[email protected]

Signatures

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

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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	CWXMF230300599.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vlflvDv = "C:\\Users\\Admin\\AppData\\Roaming\\vlflvDv\\vlflvDv.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
47	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3688 set thread context of 2172	3688	CWXMF230300599.pdf.exe	94

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

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/Job

T1053

pid	Process
1296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2172	RegSvcs.exe
2172	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 1296	3688	CWXMF230300599.pdf.exe	92
PID 3688 wrote to memory of 1296	3688	CWXMF230300599.pdf.exe	92
PID 3688 wrote to memory of 1296	3688	CWXMF230300599.pdf.exe	92
PID 3688 wrote to memory of 2172	3688	CWXMF230300599.pdf.exe	94
PID 3688 wrote to memory of 2172	3688	CWXMF230300599.pdf.exe	94
PID 3688 wrote to memory of 2172	3688	CWXMF230300599.pdf.exe	94
PID 3688 wrote to memory of 2172	3688	CWXMF230300599.pdf.exe	94
PID 3688 wrote to memory of 2172	3688	CWXMF230300599.pdf.exe	94
PID 3688 wrote to memory of 2172	3688	CWXMF230300599.pdf.exe	94
PID 3688 wrote to memory of 2172	3688	CWXMF230300599.pdf.exe	94
PID 3688 wrote to memory of 2172	3688	CWXMF230300599.pdf.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\CWXMF230300599.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CWXMF230300599.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XPiLdxbVZo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4EF6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1296
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

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\tmp4EF6.tmp

Filesize
1KB

MD5
93cb41cc088e7d8c9cc3b9922b577653

SHA1
2dff19dd6f37e8818ff47204bcc7d7577c3b5b88

SHA256
14dcabf290c8bae858c77791d7b776c1484f4965ff8c3184b52881df08781475

SHA512
ba16c9e0d8032a6fdc873744a5798da23d875a295aeae7853a55f59a249e86ee060f4e34a7bfcf291dc9a36ec6ae6f0e0f6b6aaf3f63c749d7c904fb8bfc4a8a

Download Submit
memory/2172-26-0x0000000006D50000-0x0000000006DA0000-memory.dmp

Filesize
320KB

Download
memory/2172-24-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/2172-23-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/2172-22-0x0000000005830000-0x0000000005896000-memory.dmp

Filesize
408KB

Download
memory/2172-21-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/2172-19-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/2172-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3688-5-0x0000000007410000-0x0000000007420000-memory.dmp

Filesize
64KB

Download
memory/3688-7-0x0000000007420000-0x0000000007476000-memory.dmp

Filesize
344KB

Download
memory/3688-10-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3688-11-0x0000000007410000-0x0000000007420000-memory.dmp

Filesize
64KB

Download
memory/3688-12-0x0000000008DC0000-0x0000000008E40000-memory.dmp

Filesize
512KB

Download
memory/3688-13-0x000000000C2D0000-0x000000000C312000-memory.dmp

Filesize
264KB

Download
memory/3688-8-0x0000000007D00000-0x0000000008054000-memory.dmp

Filesize
3.3MB

Download
memory/3688-9-0x0000000007740000-0x000000000774C000-memory.dmp

Filesize
48KB

Download
memory/3688-20-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3688-6-0x00000000070F0000-0x00000000070FA000-memory.dmp

Filesize
40KB

Download
memory/3688-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3688-4-0x0000000007240000-0x00000000072D2000-memory.dmp

Filesize
584KB

Download
memory/3688-3-0x0000000007750000-0x0000000007CF4000-memory.dmp

Filesize
5.6MB

Download
memory/3688-2-0x0000000007100000-0x000000000719C000-memory.dmp

Filesize
624KB

Download
memory/3688-0-0x0000000000190000-0x000000000028C000-memory.dmp

Filesize
1008KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads