agenttesla | 901284065d9965909444432aaa22ac55a74d64a8c5932712777cb2f020b3e01c

General

Target

SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe
Size

861KB
MD5

7a27eb17196b073bfe8a08b42b9c7bb1
SHA1

923a4fd3658e86222757571f59c8441633ebd55a
SHA256

901284065d9965909444432aaa22ac55a74d64a8c5932712777cb2f020b3e01c
SHA512

41c2d8fb1d616ad072381d36d7e8ebdd9be07d21c615cd9733b02959aa43a0ff3167568ae8cca34fe27c8952b1e0744175a2d801386be9b2cb950b0272ad6c9d
SSDEEP

24576:+cD/ScIkfrIkfEEUkyR1F4TYVI4ZviPuLvbn:fbVUB1F4TY9KP2v

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.exceltruea.com
Port:
587
Username:
[email protected]
Password:
innocentchinedu
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	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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\wSStSI = "C:\\Users\\Admin\\AppData\\Roaming\\wSStSI\\wSStSI.exe"	MSBuild.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1280 set thread context of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.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
2556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe
1000	MSBuild.exe
1000	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe
Token: SeDebugPrivilege	1000	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 2556	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	30
PID 1280 wrote to memory of 2556	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	30
PID 1280 wrote to memory of 2556	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	30
PID 1280 wrote to memory of 2556	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	30
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	32
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	32
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	32
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	32
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	32
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	32
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	32
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe	32
PID 1280 wrote to memory of 1000	1280	SecuriteInfo.com.Win32.PWSX-gen.19335.23472.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	MSBuild.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	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19335.23472.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TKgTIYemK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp95CA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:1000

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp95CA.tmp

Filesize
1KB

MD5
d98b3c8ade81d7536d7c04ad78f35fec

SHA1
3dd169a8e51f93d794b595ee6a38871888b91a4a

SHA256
ceba2637e4ff7a439fb3c8376dbde94bc968752b298719b00fff0ab0d7ec0826

SHA512
5ff42033d53a7813a2dc465d0f483d6350ffa42ec5d457c17af1e98342305f6517e305e42cead2612795655dec06fcdfe47c9f6a3088b33e5bde9e8855fd1130

Download Submit
memory/1000-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1000-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1000-26-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/1000-25-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1000-23-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/1000-22-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1000-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1000-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1000-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1000-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1000-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1000-15-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1280-7-0x0000000000E70000-0x0000000000EB2000-memory.dmp

Filesize
264KB

Download
memory/1280-2-0x0000000000BC0000-0x0000000000C00000-memory.dmp

Filesize
256KB

Download
memory/1280-0-0x0000000001170000-0x000000000124C000-memory.dmp

Filesize
880KB

Download
memory/1280-1-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1280-21-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1280-6-0x0000000004DC0000-0x0000000004E3C000-memory.dmp

Filesize
496KB

Download
memory/1280-5-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/1280-4-0x0000000000BC0000-0x0000000000C00000-memory.dmp

Filesize
256KB

Download
memory/1280-3-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads