agenttesla | 802a83a40d77ebdbe69ab762f26df1e01262050041b7d6fa545adb49ffdefc67

General

Target
FI=EF5.exe
Size 687KB
Sample220829-qrtm9abbb3
SHA256 802a83a40d77ebdbe69ab762f26df1e01262050041b7d6fa545adb49ffdefc67
MD5 b1b39bea294ed5bad6bb2ac91cc61fbb
SHA1 57849a89d8ec5cf1bf022387f2cb405bec998078
SHA512 a9ef24b6fad8b4ff2738f6dfc9f9e9dab8c8c1317a062497061b1de26202a7efa9555dc836d4e53396c8cb7a759a52ee7ca13369e85d425d1c6784a44fc07f6b
SSDEEP 12288:fQhStPQEmO6r4YqRl8+l22ZzpSf1q6B0sQuc9GM:fQhStPL6rS3Y2Np61q6PQucd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
multimetals.cfd
Port
587
Username
[email protected]
Password
[email protected]

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
multimetals.cfd
Port
587
Username
application/x-www-form-urlencoded
Password
[email protected]
Email to
[email protected]

Signatures

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

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-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation	FI=EF5.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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-1-5-21-1502147629-2175634256-330282290-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Acrobat = "C:\\Users\\Admin\\AppData\\Roaming\\Acrobat\\Acrobat.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1872 set thread context of 4332	1872	cgecged.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1384	FI=EF5.exe
1872	cgecged.exe
1872	cgecged.exe
4332	InstallUtil.exe
4332	InstallUtil.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1384	FI=EF5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1384	FI=EF5.exe
Token: SeDebugPrivilege	1872	cgecged.exe
Token: SeDebugPrivilege	4332	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 1872	1384	FI=EF5.exe	87
PID 1384 wrote to memory of 1872	1384	FI=EF5.exe	87
PID 1384 wrote to memory of 1872	1384	FI=EF5.exe	87
PID 1872 wrote to memory of 4332	1872	cgecged.exe	94
PID 1872 wrote to memory of 4332	1872	cgecged.exe	94
PID 1872 wrote to memory of 4332	1872	cgecged.exe	94
PID 1872 wrote to memory of 4332	1872	cgecged.exe	94
PID 1872 wrote to memory of 4332	1872	cgecged.exe	94
PID 1872 wrote to memory of 4332	1872	cgecged.exe	94
PID 1872 wrote to memory of 4332	1872	cgecged.exe	94
PID 1872 wrote to memory of 4332	1872	cgecged.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\FI=EF5.exe
"C:\Users\Admin\AppData\Local\Temp\FI=EF5.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Users\Admin\AppData\Local\Temp\cgecged.exe
  "C:\Users\Admin\AppData\Local\Temp\cgecged.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

memory/1384-132-0x00000000005C0000-0x0000000000672000-memory.dmp

Download

memory/1384-133-0x0000000005AD0000-0x0000000006074000-memory.dmp

Download

memory/1384-134-0x00000000055C0000-0x0000000005652000-memory.dmp

Download

memory/1384-135-0x0000000005660000-0x00000000056FC000-memory.dmp

Download

memory/1384-136-0x0000000009220000-0x000000000922A000-memory.dmp

Download

memory/1384-137-0x000000000B6E0000-0x000000000BC0C000-memory.dmp

Download

memory/4332-140-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/4332-141-0x00000000061A0000-0x0000000006206000-memory.dmp

Download

memory/4332-142-0x0000000006780000-0x00000000067D0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads