agenttesla | dfec19b2418939555f65e61d31c45c4714605150b83315c6adb735567f3b4d36

General

Target

FRAIR00113735.pdf.exe
Size

1.1MB
MD5

82512c1c3a19270d6793a28975e35ef2
SHA1

014c1d471715f389c3456c2b6c3fb70fe73efd35
SHA256

dfec19b2418939555f65e61d31c45c4714605150b83315c6adb735567f3b4d36
SHA512

c580647640921aa2d32570668e2f3dd51a64765696ee612be326962a4bfc899975294514bd84bf912bbcd7762731c5d013bdd47de4eea53148f10beea3222c0f
SSDEEP

12288:FDoS9IMVPrEAuyxMBFVjjjkbPVA3mGLqjkzVucZ9f/2FvQk5c/HZVUH4Y/:SyHuyxmFVg5A3mG+I5ucZlQo1P/9U

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.frontierfulfillment.com.my
Port:
587
Username:
[email protected]
Password:
5_8B6kjVm
Email To:
[email protected]

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-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\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-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows\CurrentVersion\Run\FndrE = "C:\\Users\\Admin\\AppData\\Roaming\\FndrE\\FndrE.exe"	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 2104 set thread context of 2832	2104	FRAIR00113735.pdf.exe	32

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
2908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2832	RegSvcs.exe
2832	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2908	2104	FRAIR00113735.pdf.exe	30
PID 2104 wrote to memory of 2908	2104	FRAIR00113735.pdf.exe	30
PID 2104 wrote to memory of 2908	2104	FRAIR00113735.pdf.exe	30
PID 2104 wrote to memory of 2908	2104	FRAIR00113735.pdf.exe	30
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32
PID 2104 wrote to memory of 2832	2104	FRAIR00113735.pdf.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\FRAIR00113735.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\FRAIR00113735.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\brzUjvKYngrefq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5B6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2908
- 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:2832

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD5B6.tmp

Filesize
1KB

MD5
9172ded5e3619dc6e2084f274b08940a

SHA1
947a99b891b595490273e26ccc93bcc8b3efc35b

SHA256
c113ccd1451a77aaea8233ad753bd977525c1f3d0b2d2031cc26fcae056fc0e3

SHA512
6d45bed385c9ae9b12fd35591932ba1f11442f99978f6e081f28f66e31b73a4082268cf749f5fd0bf67afa78b00c7c7b936eca81a77cf4c727b8deda33faf338

Download Submit
memory/2104-0-0x0000000000E10000-0x0000000000F36000-memory.dmp

Filesize
1.1MB

Download
memory/2104-1-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2104-2-0x0000000004E80000-0x0000000004EC0000-memory.dmp

Filesize
256KB

Download
memory/2104-3-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2104-4-0x0000000004E80000-0x0000000004EC0000-memory.dmp

Filesize
256KB

Download
memory/2104-5-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/2104-6-0x00000000057A0000-0x000000000583C000-memory.dmp

Filesize
624KB

Download
memory/2104-7-0x0000000002630000-0x0000000002696000-memory.dmp

Filesize
408KB

Download
memory/2104-22-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2832-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-23-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2832-24-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/2832-26-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2832-27-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads