agenttesla | d9d81b7f2062604548db93c379ffecbe38d5b5010d365b6b1ddeb4f856e43527

Analysis

max time kernel
116s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-09-2024 09:13

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General

Target

PO1037596.exe
Size

639KB
MD5

2d1c2e159be49acd9da60cd08bab1578
SHA1

9e5aa237b5b8a027c5a52d13db554437dbf603ce
SHA256

59fcfb7a5c799be9973a2b40bf72a62ec818aff1b2416c5ad7592db25306a176
SHA512

4b818ab516e8b07a13e8ed2db98bef7ca93ef21448df1e961a417eb8d872b1d5841440d56348ca90a36e9a60e12ce444bebf927f74358528e8b1915ea0f0494a
SSDEEP

12288:KTnd+S4B5jktylvtQbUdXe0et+7EeCCyVFkHCduv4Pr8+QUef12BVIM1Fk7uykR:3fjktI6JA77CCyPZdu+gf1bSFkg

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
eL)rV@QBKA#m

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
eL)rV@QBKA#m
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1372	powershell.exe

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	PO1037596.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 3 IoCs

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

flow	ioc
21	api.ipify.org
22	api.ipify.org
23	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5020 set thread context of 4820	5020	PO1037596.exe	92

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO1037596.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO1037596.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5020	PO1037596.exe
5020	PO1037596.exe
4820	PO1037596.exe
4820	PO1037596.exe
1372	powershell.exe
1372	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	PO1037596.exe
Token: SeDebugPrivilege	4820	PO1037596.exe
Token: SeDebugPrivilege	1372	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 1372	5020	PO1037596.exe	89
PID 5020 wrote to memory of 1372	5020	PO1037596.exe	89
PID 5020 wrote to memory of 1372	5020	PO1037596.exe	89
PID 5020 wrote to memory of 2008	5020	PO1037596.exe	91
PID 5020 wrote to memory of 2008	5020	PO1037596.exe	91
PID 5020 wrote to memory of 2008	5020	PO1037596.exe	91
PID 5020 wrote to memory of 4820	5020	PO1037596.exe	92
PID 5020 wrote to memory of 4820	5020	PO1037596.exe	92
PID 5020 wrote to memory of 4820	5020	PO1037596.exe	92
PID 5020 wrote to memory of 4820	5020	PO1037596.exe	92
PID 5020 wrote to memory of 4820	5020	PO1037596.exe	92
PID 5020 wrote to memory of 4820	5020	PO1037596.exe	92
PID 5020 wrote to memory of 4820	5020	PO1037596.exe	92
PID 5020 wrote to memory of 4820	5020	PO1037596.exe	92

C:\Users\Admin\AppData\Local\Temp\PO1037596.exe
"C:\Users\Admin\AppData\Local\Temp\PO1037596.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO1037596.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1372
- C:\Users\Admin\AppData\Local\Temp\PO1037596.exe
  "C:\Users\Admin\AppData\Local\Temp\PO1037596.exe"
  2⤵
  PID:2008
- C:\Users\Admin\AppData\Local\Temp\PO1037596.exe
  "C:\Users\Admin\AppData\Local\Temp\PO1037596.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO1037596.exe.log

Filesize
1KB

MD5
31f95c36ee4b5ac1ffcbdc89b3bcabc0

SHA1
d38fddab78283c1cc05cc55652222cd7e5a484aa

SHA256
88486792973340aafc9db775eadfaa849d05a5e2ed25a38e67febcdf70213ce6

SHA512
9acb665346143d8622613d047502a65615ea369db94281b20cb5bea6dac18f397f8c0144e8d4a201d94cd36b229ad9a31ce4a4a11e1fdcd19e6496a035032072

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gdhlzshv.blu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1372-51-0x0000000007A90000-0x000000000810A000-memory.dmp

Filesize
6.5MB

Download
memory/1372-25-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1372-38-0x0000000007120000-0x0000000007152000-memory.dmp

Filesize
200KB

Download
memory/1372-23-0x0000000005210000-0x0000000005276000-memory.dmp

Filesize
408KB

Download
memory/1372-24-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1372-60-0x0000000007770000-0x0000000007778000-memory.dmp

Filesize
32KB

Download
memory/1372-59-0x0000000007790000-0x00000000077AA000-memory.dmp

Filesize
104KB

Download
memory/1372-58-0x0000000007690000-0x00000000076A4000-memory.dmp

Filesize
80KB

Download
memory/1372-57-0x0000000007680000-0x000000000768E000-memory.dmp

Filesize
56KB

Download
memory/1372-49-0x0000000006690000-0x00000000066AE000-memory.dmp

Filesize
120KB

Download
memory/1372-39-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

Filesize
304KB

Download
memory/1372-55-0x0000000007650000-0x0000000007661000-memory.dmp

Filesize
68KB

Download
memory/1372-37-0x0000000006160000-0x00000000061AC000-memory.dmp

Filesize
304KB

Download
memory/1372-54-0x00000000076D0000-0x0000000007766000-memory.dmp

Filesize
600KB

Download
memory/1372-17-0x00000000027E0000-0x0000000002816000-memory.dmp

Filesize
216KB

Download
memory/1372-50-0x0000000007360000-0x0000000007403000-memory.dmp

Filesize
652KB

Download
memory/1372-36-0x0000000006130000-0x000000000614E000-memory.dmp

Filesize
120KB

Download
memory/1372-21-0x0000000005540000-0x0000000005B68000-memory.dmp

Filesize
6.2MB

Download
memory/1372-20-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1372-22-0x0000000005060000-0x0000000005082000-memory.dmp

Filesize
136KB

Download
memory/1372-63-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1372-53-0x00000000074C0000-0x00000000074CA000-memory.dmp

Filesize
40KB

Download
memory/1372-35-0x0000000005B70000-0x0000000005EC4000-memory.dmp

Filesize
3.3MB

Download
memory/1372-52-0x0000000007450000-0x000000000746A000-memory.dmp

Filesize
104KB

Download
memory/4820-18-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4820-19-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/4820-15-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4820-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4820-56-0x0000000006C20000-0x0000000006C70000-memory.dmp

Filesize
320KB

Download
memory/4820-64-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/5020-4-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/5020-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/5020-1-0x00000000001B0000-0x0000000000252000-memory.dmp

Filesize
648KB

Download
memory/5020-3-0x0000000005330000-0x00000000058D4000-memory.dmp

Filesize
5.6MB

Download
memory/5020-16-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/5020-2-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/5020-11-0x0000000009060000-0x00000000090FC000-memory.dmp

Filesize
624KB

Download
memory/5020-10-0x0000000006980000-0x0000000006A04000-memory.dmp

Filesize
528KB

Download
memory/5020-9-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/5020-8-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/5020-7-0x0000000004F90000-0x0000000004F9E000-memory.dmp

Filesize
56KB

Download
memory/5020-6-0x0000000006630000-0x00000000066C6000-memory.dmp

Filesize
600KB

Download
memory/5020-5-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download