agenttesla | 81f5eecb34f22bd640cee738295303153d9afda2a35e365d061d058fbbfed498

Analysis

max time kernel
67s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2022, 22:53

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General

Target
pGmFza4Vv0hJG57.exe
Size 762KB
Sample221119-2tywjaed73
SHA256 81f5eecb34f22bd640cee738295303153d9afda2a35e365d061d058fbbfed498
MD5 28cb97f71b423eb54c7382aba89d92d5
SHA1 06622045c5f36ddbb7e78a856e713781e6a71aca
SHA512 a20a313fbd7e7a513aee842728bf5549c011057285c70c2664732fde04137917aa922a2bb8450f224ccfd291e589c983e5ed8c9a5bf04f08addb85f659fadcc5
SSDEEP 12288:W7DcYEDdzVJoH6xv7iZDyfwW3l57fIplGQ7zkwBnM33302IgFJN0V3foYcjZnbCx:0L8d/U6J0WV9fIz57BBnG30YCoBjZnbI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.jackbarber.com
Port
587
Username
[email protected]
Password
mqvXXv,49r(*
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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MY APP = "C:\\Users\\Admin\\AppData\\Roaming\\MY APP\\MY APP.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
43	api.ipify.org
44	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 768 set thread context of 3344	768	pGmFza4Vv0hJG57.exe	89

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
768	pGmFza4Vv0hJG57.exe
768	pGmFza4Vv0hJG57.exe
3344	MSBuild.exe
3344	MSBuild.exe
3344	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	768	pGmFza4Vv0hJG57.exe
Token: SeDebugPrivilege	3344	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 3344	768	pGmFza4Vv0hJG57.exe	89
PID 768 wrote to memory of 3344	768	pGmFza4Vv0hJG57.exe	89
PID 768 wrote to memory of 3344	768	pGmFza4Vv0hJG57.exe	89
PID 768 wrote to memory of 3344	768	pGmFza4Vv0hJG57.exe	89
PID 768 wrote to memory of 3344	768	pGmFza4Vv0hJG57.exe	89
PID 768 wrote to memory of 3344	768	pGmFza4Vv0hJG57.exe	89
PID 768 wrote to memory of 3344	768	pGmFza4Vv0hJG57.exe	89
PID 768 wrote to memory of 3344	768	pGmFza4Vv0hJG57.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\pGmFza4Vv0hJG57.exe
"C:\Users\Admin\AppData\Local\Temp\pGmFza4Vv0hJG57.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:768
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  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:3344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/768-132-0x0000000000D00000-0x0000000000DC4000-memory.dmp

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memory/768-133-0x0000000005D90000-0x0000000006334000-memory.dmp

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memory/768-134-0x00000000057E0000-0x0000000005872000-memory.dmp

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memory/768-135-0x0000000005760000-0x000000000576A000-memory.dmp

Download

memory/768-136-0x00000000093F0000-0x000000000948C000-memory.dmp

Download

memory/3344-138-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/3344-139-0x0000000005970000-0x00000000059D6000-memory.dmp

Download

memory/3344-140-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Download