agenttesla | a1147ccf60f6595605bbdef6050964cfe9223e65820ea9c354f54ceabdab8d9b

Analysis

max time kernel
71s
max time network
134s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05/05/2023, 14:35

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General

Target
AWB#5118476327.pdf.exe
Size 1013KB
Sample230505-rxzxwsda21
SHA256 a1147ccf60f6595605bbdef6050964cfe9223e65820ea9c354f54ceabdab8d9b
MD5 bce044c8119b1e1c136a85a82a1225e2
SHA1 bfb22d2d6d63bcbaa6431a6317d7740937272a70
SHA512 c311a2b7e7591b0bd21628921551a2177372eb475bf5f5bb99bb0cdc7634c272e7ae93d26a6f52ea7bbd8ae82eac4808f7423ebdb1f0eefd81c0d94de838a9c4
SSDEEP 24576:TA02PK9u9/ez44ydA+AoFcdRFss+78MiFCYZkxyQ:cZJezFaANdRFs3Li/i
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
marcellinus360

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1216 set thread context of 1616	1216	AWB#5118476327.pdf.exe	31

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

T1053

pid	Process
1784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
548	powershell.exe
1616	RegSvcs.exe
1616	RegSvcs.exe
1616	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	RegSvcs.exe
Token: SeDebugPrivilege	548	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1616	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 548	1216	AWB#5118476327.pdf.exe	27
PID 1216 wrote to memory of 548	1216	AWB#5118476327.pdf.exe	27
PID 1216 wrote to memory of 548	1216	AWB#5118476327.pdf.exe	27
PID 1216 wrote to memory of 548	1216	AWB#5118476327.pdf.exe	27
PID 1216 wrote to memory of 1784	1216	AWB#5118476327.pdf.exe	29
PID 1216 wrote to memory of 1784	1216	AWB#5118476327.pdf.exe	29
PID 1216 wrote to memory of 1784	1216	AWB#5118476327.pdf.exe	29
PID 1216 wrote to memory of 1784	1216	AWB#5118476327.pdf.exe	29
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31
PID 1216 wrote to memory of 1616	1216	AWB#5118476327.pdf.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\AWB#5118476327.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\AWB#5118476327.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hOgQfGNEAXHggJ.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:548
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hOgQfGNEAXHggJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpECD0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

tmpECD0.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpECD0.tmp
Size 1KB
SHA256 2278ac9548138b580ebea7c674915b07182ea63f737861b57664bd294cfdb4df
MD5 a51c121a9a51155a874b4490569582df
SHA1 19061d596172b1ee0f8056c96e217d39c499dd32
SHA512 9aa87c291cb7d2eea01af3b4d2cb045f2cc837afcf5a04f45434ead76bfc2696a10fe174a3977824cc07e1cd4187e3c3010f03ca260a2e4fe4c6faf765509688
MD5 SHA1 SHA512

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memory/548-78-0x00000000026C0000-0x0000000002700000-memory.dmp

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memory/1216-55-0x0000000000B00000-0x0000000000B40000-memory.dmp

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memory/1216-56-0x0000000000880000-0x0000000000892000-memory.dmp

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memory/1216-57-0x0000000000B00000-0x0000000000B40000-memory.dmp

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memory/1216-58-0x00000000008B0000-0x00000000008BC000-memory.dmp

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memory/1216-59-0x0000000005110000-0x000000000519E000-memory.dmp

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memory/1216-65-0x00000000057F0000-0x0000000005848000-memory.dmp

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memory/1216-54-0x00000000012A0000-0x00000000013A4000-memory.dmp

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memory/1616-68-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1616-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1616-70-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1616-69-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1616-73-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1616-75-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1616-77-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1616-71-0x0000000000400000-0x000000000043C000-memory.dmp

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