agenttesla | a67119e6131f2cf27b28044e3562d04abd86b62bcebbfa8ed7f4ecea90682f2d

General

Target

f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe
Size

818KB
MD5

056dbac271b4b97fac9016695f03be29
SHA1

f2b1dd5d709a7e606002f1b2a0cda30e07d1635b
SHA256

a67119e6131f2cf27b28044e3562d04abd86b62bcebbfa8ed7f4ecea90682f2d
SHA512

6e9c26661573d89ec52e37e1c300bad30d215ffdddaddc8e1b357449c241f19e1dd19a44f14dff4d6c829efd8beeb165a03c4bcda0d853d981839ae84e727dbd
SSDEEP

24576:keSqG4yPa46F0xM64kLOBLHK4FUgmaFq:ztWiFkLOBLHK4FUgm

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.procorpadvisory.com
Port:
587
Username:
[email protected]
Password:
4n!chhbbZ~PO
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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lANdBmK = "C:\\Users\\Admin\\AppData\\Roaming\\lANdBmK\\lANdBmK.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
39	api.ipify.org
40	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4376 set thread context of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93

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

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
3844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1816	powershell.exe
1816	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	powershell.exe
Token: SeDebugPrivilege	4944	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 1816	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	89
PID 4376 wrote to memory of 1816	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	89
PID 4376 wrote to memory of 1816	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	89
PID 4376 wrote to memory of 3844	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	91
PID 4376 wrote to memory of 3844	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	91
PID 4376 wrote to memory of 3844	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	91
PID 4376 wrote to memory of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93
PID 4376 wrote to memory of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93
PID 4376 wrote to memory of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93
PID 4376 wrote to memory of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93
PID 4376 wrote to memory of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93
PID 4376 wrote to memory of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93
PID 4376 wrote to memory of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93
PID 4376 wrote to memory of 4944	4376	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe
"C:\Users\Admin\AppData\Local\Temp\f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uUnNpOcmAQf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1816
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uUnNpOcmAQf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C0F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3844
- 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 use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

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

C:\Users\Admin\AppData\Local\Temp\tmp3C0F.tmp

Filesize
1KB

MD5
d19bc7f87086c3dd882441b8556095ea

SHA1
613f1ed4f2394d8597d429977a9441cf943c266c

SHA256
18acbff01e453aead79db120784eab1423a8954fb481ca57810a717c644af7a8

SHA512
a3822dcbb09f3a976a2aeede4490cd6048670b0c9368c87c85fd2e2d4f42f2bd779e68ed495e45eeb5d033596a05f4954d84dd5cf3bbfbee45e89dc2d13e1274

Download Submit
memory/1816-146-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/1816-152-0x0000000007480000-0x000000000749A000-memory.dmp

Filesize
104KB

Download
memory/1816-156-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/1816-155-0x00000000076B0000-0x00000000076BE000-memory.dmp

Filesize
56KB

Download
memory/1816-154-0x0000000007700000-0x0000000007796000-memory.dmp

Filesize
600KB

Download
memory/1816-139-0x0000000002850000-0x0000000002886000-memory.dmp

Filesize
216KB

Download
memory/1816-153-0x00000000074F0000-0x00000000074FA000-memory.dmp

Filesize
40KB

Download
memory/1816-141-0x00000000054C0000-0x0000000005AE8000-memory.dmp

Filesize
6.2MB

Download
memory/1816-145-0x00000000053D0000-0x0000000005436000-memory.dmp

Filesize
408KB

Download
memory/1816-151-0x0000000007AD0000-0x000000000814A000-memory.dmp

Filesize
6.5MB

Download
memory/1816-147-0x0000000006180000-0x000000000619E000-memory.dmp

Filesize
120KB

Download
memory/1816-150-0x0000000006740000-0x000000000675E000-memory.dmp

Filesize
120KB

Download
memory/1816-157-0x00000000077A0000-0x00000000077A8000-memory.dmp

Filesize
32KB

Download
memory/1816-144-0x00000000051B0000-0x00000000051D2000-memory.dmp

Filesize
136KB

Download
memory/1816-148-0x0000000007140000-0x0000000007172000-memory.dmp

Filesize
200KB

Download
memory/1816-149-0x00000000703D0000-0x000000007041C000-memory.dmp

Filesize
304KB

Download
memory/4376-134-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/4376-133-0x0000000005270000-0x0000000005814000-memory.dmp

Filesize
5.6MB

Download
memory/4376-136-0x0000000008A20000-0x0000000008ABC000-memory.dmp

Filesize
624KB

Download
memory/4376-135-0x0000000004C80000-0x0000000004C8A000-memory.dmp

Filesize
40KB

Download
memory/4376-132-0x0000000000350000-0x0000000000424000-memory.dmp

Filesize
848KB

Download
memory/4944-143-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4944-158-0x0000000006FD0000-0x0000000007020000-memory.dmp

Filesize
320KB

Download
memory/4944-159-0x00000000071F0000-0x00000000073B2000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads