agenttesla | 8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb

General

Target
Overdue Payment.jar.exe
Size 822KB
Sample220420-e38e1abce3
SHA256 8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb
MD5 8d8cec84fb1bdc0bcc1d8f80df6e4e6b
SHA1 6a759c813b6ab846bc324d5296c2619ca4de9b1a
SHA512 244b99b46569135541fd2e89844ac18633f7092a49826a20ab0491e215aa6147ccf42dde0d6fbd7d3fe1993351a346498a2ee1b4f281ffdfd1c0d9c5783b6971
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.ppecindia.com
Port
587
Username
[email protected]
Password
accounts@123$

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.ppecindia.com
Port
587
Username
[email protected]
Password
accounts@123$

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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Overdue Payment.jar.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tbKkO = "C:\\Users\\Admin\\AppData\\Roaming\\tbKkO\\tbKkO.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4584 set thread context of 4196	4584	Overdue Payment.jar.exe	85

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
4400	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4584	Overdue Payment.jar.exe
4196	RegSvcs.exe
4196	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4584	Overdue Payment.jar.exe
Token: SeDebugPrivilege	4196	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4400	4584	Overdue Payment.jar.exe	83
PID 4584 wrote to memory of 4400	4584	Overdue Payment.jar.exe	83
PID 4584 wrote to memory of 4400	4584	Overdue Payment.jar.exe	83
PID 4584 wrote to memory of 4196	4584	Overdue Payment.jar.exe	85
PID 4584 wrote to memory of 4196	4584	Overdue Payment.jar.exe	85
PID 4584 wrote to memory of 4196	4584	Overdue Payment.jar.exe	85
PID 4584 wrote to memory of 4196	4584	Overdue Payment.jar.exe	85
PID 4584 wrote to memory of 4196	4584	Overdue Payment.jar.exe	85
PID 4584 wrote to memory of 4196	4584	Overdue Payment.jar.exe	85
PID 4584 wrote to memory of 4196	4584	Overdue Payment.jar.exe	85
PID 4584 wrote to memory of 4196	4584	Overdue Payment.jar.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Overdue Payment.jar.exe
"C:\Users\Admin\AppData\Local\Temp\Overdue Payment.jar.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\omFhviGAJzKL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3374.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4400
- 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:4196

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

tmp3374.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3374.tmp
Size 1KB
SHA256 9aaa0c120a9f091a9315936ae33dc40096ce5f80a859244f8d1e77637b3b9904
MD5 de32a07abb59e948a6a64e2798c1a798
SHA1 11e98924c4c3a4902fe3779554300cc9ab246492
SHA512 63d672def53d3fdb514a2cf35c2e945e8877b54eadc7a39c685d647b10fb6ef1c85db940003389d8f7cd20db10ebc034e098ad1a7b256c41118da7eb7dd08efc
MD5 SHA1 SHA512

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memory/4196-138-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/4196-139-0x0000000006620000-0x0000000006686000-memory.dmp

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memory/4196-140-0x0000000006BF0000-0x0000000006C40000-memory.dmp

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memory/4584-130-0x0000000000BE0000-0x0000000000CB4000-memory.dmp

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memory/4584-131-0x0000000005D80000-0x0000000006324000-memory.dmp

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memory/4584-132-0x0000000005660000-0x00000000056F2000-memory.dmp

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memory/4584-133-0x0000000005700000-0x000000000579C000-memory.dmp

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memory/4584-134-0x00000000031E0000-0x00000000031EA000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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