agenttesla | 9356d56bc50ab9c3138c1508dde0c7f91732aa2a49ba0dc047777c33dc4ad7d6

General

Target

file.exe
Size

11KB
MD5

8d361274685c6e905923e1743cff08e7
SHA1

c24c935d442e531a18cdf4c5cff3b92feda8d008
SHA256

9356d56bc50ab9c3138c1508dde0c7f91732aa2a49ba0dc047777c33dc4ad7d6
SHA512

166bb6f89a4a5685b5749c9284a81e385dff7361235b1ff1782338e912bbd765ae918cb4deb52fae5701f43a0fad144d86ff6250cf9c92f86f4e6f55f30b744d
SSDEEP

96:Zgd9i15VpHbKNK8Zwr0jE9yv1Kxv+FTIPcZhLCzjDwIv8+yU0Qb7DzNt:lpHwKG49ydK1+FEcZhiYSNyIbJ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6261426177:AAGKVvStJVx3AbPod6gVs0gLfIFG75EuCzc/

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	file.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

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
29	api.ipify.org
30	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4772 set thread context of 4444	4772	file.exe	92

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1788	powershell.exe
1788	powershell.exe
4772	file.exe
4772	file.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4772	file.exe
Token: SeDebugPrivilege	1788	powershell.exe
Token: SeDebugPrivilege	4444	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4444	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 1788	4772	file.exe	85
PID 4772 wrote to memory of 1788	4772	file.exe	85
PID 4772 wrote to memory of 1788	4772	file.exe	85
PID 4772 wrote to memory of 2652	4772	file.exe	91
PID 4772 wrote to memory of 2652	4772	file.exe	91
PID 4772 wrote to memory of 2652	4772	file.exe	91
PID 4772 wrote to memory of 4444	4772	file.exe	92
PID 4772 wrote to memory of 4444	4772	file.exe	92
PID 4772 wrote to memory of 4444	4772	file.exe	92
PID 4772 wrote to memory of 4444	4772	file.exe	92
PID 4772 wrote to memory of 4444	4772	file.exe	92
PID 4772 wrote to memory of 4444	4772	file.exe	92
PID 4772 wrote to memory of 4444	4772	file.exe	92
PID 4772 wrote to memory of 4444	4772	file.exe	92

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\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMQA1AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1788
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:2652
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4444

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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_ditkc4m2.dxt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1788-153-0x00000000076A0000-0x0000000007D1A000-memory.dmp

Filesize
6.5MB

Download
memory/1788-136-0x0000000004A80000-0x0000000004AB6000-memory.dmp

Filesize
216KB

Download
memory/1788-154-0x00000000064E0000-0x00000000064FA000-memory.dmp

Filesize
104KB

Download
memory/1788-156-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1788-138-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/1788-158-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1788-139-0x00000000059F0000-0x0000000005A56000-memory.dmp

Filesize
408KB

Download
memory/1788-149-0x0000000006040000-0x000000000605E000-memory.dmp

Filesize
120KB

Download
memory/1788-150-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1788-151-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1788-152-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1788-157-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1788-137-0x0000000005220000-0x0000000005848000-memory.dmp

Filesize
6.2MB

Download
memory/4444-167-0x0000000006A80000-0x0000000006B12000-memory.dmp

Filesize
584KB

Download
memory/4444-178-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/4444-163-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4444-165-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/4444-169-0x0000000006CD0000-0x0000000006D20000-memory.dmp

Filesize
320KB

Download
memory/4444-168-0x0000000006A40000-0x0000000006A4A000-memory.dmp

Filesize
40KB

Download
memory/4444-166-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/4444-170-0x0000000006EF0000-0x00000000070B2000-memory.dmp

Filesize
1.8MB

Download
memory/4444-177-0x0000000006DC0000-0x0000000006E5C000-memory.dmp

Filesize
624KB

Download
memory/4772-133-0x00000000000D0000-0x00000000000D8000-memory.dmp

Filesize
32KB

Download
memory/4772-134-0x0000000004B40000-0x0000000004B50000-memory.dmp

Filesize
64KB

Download
memory/4772-135-0x00000000062A0000-0x00000000062C2000-memory.dmp

Filesize
136KB

Download
memory/4772-155-0x0000000004B40000-0x0000000004B50000-memory.dmp

Filesize
64KB

Download

Analysis

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