agenttesla | 3c78f01d7f27410f7897b7367112b162816a19930d90ccba32f4043d40c4223f

General

Target

tmp.exe
Size

1.7MB
MD5

9315baa2d29e3202b3f14da5b927d329
SHA1

8caa2fe421dec35ebc1bc3f5da31f0dedb6a4ddf
SHA256

3c78f01d7f27410f7897b7367112b162816a19930d90ccba32f4043d40c4223f
SHA512

14c7fafb725151ed28d44bc7f571d1bff7d3b5fafcfe205996da408dccf72538f066e740f59651fb1b9ad8f999d09f9374f020745b599aacefbe54406c0e6740
SSDEEP

24576:2ZL20LiZ2VGym3Hxe/K/3xHOMHLP0JqwVniwhgDifkkFV0p79tDa:M20LikyPCII

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
qbkcioyfoxstxqax
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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	tmp.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Iaygb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Twtrcwhcst\\Iaygb.exe\""	tmp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 1012	4032	tmp.exe	97

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

System Information Discovery
T1082

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
1384	ipconfig.exe
1120	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4732	powershell.exe
4732	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4032	tmp.exe
Token: SeDebugPrivilege	4732	powershell.exe
Token: SeDebugPrivilege	1012	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1012	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 2528	4032	tmp.exe	83
PID 4032 wrote to memory of 2528	4032	tmp.exe	83
PID 4032 wrote to memory of 2528	4032	tmp.exe	83
PID 2528 wrote to memory of 1384	2528	cmd.exe	85
PID 2528 wrote to memory of 1384	2528	cmd.exe	85
PID 2528 wrote to memory of 1384	2528	cmd.exe	85
PID 4032 wrote to memory of 4732	4032	tmp.exe	86
PID 4032 wrote to memory of 4732	4032	tmp.exe	86
PID 4032 wrote to memory of 4732	4032	tmp.exe	86
PID 4032 wrote to memory of 3368	4032	tmp.exe	94
PID 4032 wrote to memory of 3368	4032	tmp.exe	94
PID 4032 wrote to memory of 3368	4032	tmp.exe	94
PID 3368 wrote to memory of 1120	3368	cmd.exe	96
PID 3368 wrote to memory of 1120	3368	cmd.exe	96
PID 3368 wrote to memory of 1120	3368	cmd.exe	96
PID 4032 wrote to memory of 1012	4032	tmp.exe	97
PID 4032 wrote to memory of 1012	4032	tmp.exe	97
PID 4032 wrote to memory of 1012	4032	tmp.exe	97
PID 4032 wrote to memory of 1012	4032	tmp.exe	97
PID 4032 wrote to memory of 1012	4032	tmp.exe	97
PID 4032 wrote to memory of 1012	4032	tmp.exe	97
PID 4032 wrote to memory of 1012	4032	tmp.exe	97
PID 4032 wrote to memory of 1012	4032	tmp.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /release
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /release
    3⤵
    - Gathers network information
    PID:1384
- 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:4732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /renew
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3368
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /renew
    3⤵
    - Gathers network information
    PID:1120
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

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

3

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nfpvmk2v.jyw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1012-170-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/1012-169-0x0000000006710000-0x0000000006760000-memory.dmp

Filesize
320KB

Download
memory/1012-168-0x0000000006650000-0x000000000665A000-memory.dmp

Filesize
40KB

Download
memory/1012-167-0x0000000006400000-0x0000000006492000-memory.dmp

Filesize
584KB

Download
memory/1012-166-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/1012-165-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/1012-163-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4032-155-0x0000000005BC0000-0x0000000005BD0000-memory.dmp

Filesize
64KB

Download
memory/4032-134-0x0000000005F60000-0x0000000005F82000-memory.dmp

Filesize
136KB

Download
memory/4032-135-0x0000000005BC0000-0x0000000005BD0000-memory.dmp

Filesize
64KB

Download
memory/4032-133-0x0000000000F90000-0x0000000001154000-memory.dmp

Filesize
1.8MB

Download
memory/4732-139-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/4732-154-0x0000000007310000-0x000000000732A000-memory.dmp

Filesize
104KB

Download
memory/4732-153-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/4732-156-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/4732-157-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/4732-158-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/4732-152-0x0000000007960000-0x0000000007FDA000-memory.dmp

Filesize
6.5MB

Download
memory/4732-151-0x0000000006260000-0x000000000627E000-memory.dmp

Filesize
120KB

Download
memory/4732-141-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/4732-140-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/4732-138-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/4732-137-0x0000000005570000-0x0000000005B98000-memory.dmp

Filesize
6.2MB

Download
memory/4732-136-0x0000000002930000-0x0000000002966000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads