agenttesla | b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68

General

Target

b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe
Size

12KB
MD5

d9b2665773e1e3dfc4c6a0e16e64ef52
SHA1

303b98a5296aa57fe9e6a4506eb44f15df20924f
SHA256

b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68
SHA512

c5ad6fc09b15b2ca8e009a6f937b503c540d368e7e50a19da7172b89d2958c2ab92c7a313ce1c4da3d421cee298cfdb8863ea7e3d3ad3aac5339fa138413ebf8
SSDEEP

192:XfPLlLSclLMEYjJ1DRulL9q4PekyRbdXFTKWEBbOy2xOdV/0xewPwz:XfPLlLblLMEYjBsL9hcdXWf2P

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6125345128:AAELaNDC6VdQQywdvqd5w8Ps_ZT19OAINe8/

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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FJzgD = "C:\\Users\\Admin\\AppData\\Roaming\\FJzgD\\FJzgD.exe"	MSBuild.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
43	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3936 set thread context of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe
3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe
3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe
1804	powershell.exe
1804	powershell.exe
3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe
3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe
Token: SeDebugPrivilege	1804	powershell.exe
Token: SeDebugPrivilege	1408	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1408	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 1804	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	85
PID 3936 wrote to memory of 1804	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	85
PID 3936 wrote to memory of 1804	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	85
PID 3936 wrote to memory of 2804	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	92
PID 3936 wrote to memory of 2804	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	92
PID 3936 wrote to memory of 2804	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	92
PID 3936 wrote to memory of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93
PID 3936 wrote to memory of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93
PID 3936 wrote to memory of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93
PID 3936 wrote to memory of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93
PID 3936 wrote to memory of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93
PID 3936 wrote to memory of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93
PID 3936 wrote to memory of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93
PID 3936 wrote to memory of 1408	3936	b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe
"C:\Users\Admin\AppData\Local\Temp\b86c811ee7f0f3e6c8d3d1e8a9b431f19232b6abae2bc0c85ebcc03857f1bb68.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1804
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:2804
- 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
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1408

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bp4r031h.gwf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1408-180-0x0000000007150000-0x00000000071EC000-memory.dmp

Filesize
624KB

Download
memory/1408-173-0x0000000007280000-0x0000000007442000-memory.dmp

Filesize
1.8MB

Download
memory/1408-172-0x0000000007060000-0x00000000070B0000-memory.dmp

Filesize
320KB

Download
memory/1408-169-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download
memory/1408-168-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download
memory/1408-166-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1804-149-0x0000000006170000-0x00000000061D6000-memory.dmp

Filesize
408KB

Download
memory/1804-161-0x00000000031D0000-0x00000000031E0000-memory.dmp

Filesize
64KB

Download
memory/1804-140-0x0000000005830000-0x0000000005E58000-memory.dmp

Filesize
6.2MB

Download
memory/1804-142-0x00000000031D0000-0x00000000031E0000-memory.dmp

Filesize
64KB

Download
memory/1804-148-0x0000000006090000-0x00000000060F6000-memory.dmp

Filesize
408KB

Download
memory/1804-139-0x0000000003170000-0x00000000031A6000-memory.dmp

Filesize
216KB

Download
memory/1804-154-0x0000000006760000-0x000000000677E000-memory.dmp

Filesize
120KB

Download
memory/1804-155-0x0000000007DA0000-0x000000000841A000-memory.dmp

Filesize
6.5MB

Download
memory/1804-156-0x0000000006C60000-0x0000000006C7A000-memory.dmp

Filesize
104KB

Download
memory/1804-157-0x00000000031D0000-0x00000000031E0000-memory.dmp

Filesize
64KB

Download
memory/1804-141-0x00000000031D0000-0x00000000031E0000-memory.dmp

Filesize
64KB

Download
memory/1804-159-0x00000000031D0000-0x00000000031E0000-memory.dmp

Filesize
64KB

Download
memory/1804-160-0x00000000031D0000-0x00000000031E0000-memory.dmp

Filesize
64KB

Download
memory/3936-158-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/3936-133-0x0000000000790000-0x0000000000798000-memory.dmp

Filesize
32KB

Download
memory/3936-138-0x0000000007FA0000-0x0000000007FC2000-memory.dmp

Filesize
136KB

Download
memory/3936-137-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/3936-136-0x0000000005140000-0x000000000514A000-memory.dmp

Filesize
40KB

Download
memory/3936-135-0x0000000005180000-0x0000000005212000-memory.dmp

Filesize
584KB

Download
memory/3936-134-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download

Analysis

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