agenttesla | 18d273f276cb2c9d1a3cded2d775b20cb5eb68ed232b6f126225f0ba642c6fed

General

Target

Invoice.exe
Size

822KB
MD5

df0a67f2a0c162c5a5dee0a8fcd8ab22
SHA1

07981693f5b38fa99a88aca0e13ba5b6022b1465
SHA256

e62255f98543e0bb1abf017af13fd483e1382158021b7edde65fa55c1ad290cf
SHA512

b62ea9a4710dfc855cfd47f2c0cb8787c9ea6b1159387431d1cc70b5989dd59086aaadd62e42fea9b21d28834b6ece20dc1715245762d026e48e315544529f75
SSDEEP

12288:zPqnHvjNIrpf9rN/mc/CQw5PXdFPemY3kI26WE+34DO2IOxzV2SYm9nEix9H82rF:zyPjKr5BNDuXvfY0RfmIkzLNP5rJ

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4552-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4552-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4552-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4552-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4552-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4552-44-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Processes:

Invoice.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation Invoice.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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	Invoice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Invoice.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	Invoice.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.

Processes:

flow ioc

6 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 3192 set thread context of 4552 3192 Invoice.exe Invoice.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

4832 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exeInvoice.exe

pid process

4436 powershell.exe
1976 powershell.exe
1976 powershell.exe
4552 Invoice.exe
4552 Invoice.exe
4436 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeInvoice.exe

description pid process

Token: SeDebugPrivilege 1976 powershell.exe
Token: SeDebugPrivilege 4436 powershell.exe
Token: SeDebugPrivilege 4552 Invoice.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Invoice.exe

pid process

4552 Invoice.exe

flow	ioc
6	api.ipify.org

description	pid	process	target process
PID 3192 set thread context of 4552	3192	Invoice.exe	Invoice.exe

pid	process
4832	schtasks.exe

pid	process
4436	powershell.exe
1976	powershell.exe
1976	powershell.exe
4552	Invoice.exe
4552	Invoice.exe
4436	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1976	powershell.exe
Token: SeDebugPrivilege	4436	powershell.exe
Token: SeDebugPrivilege	4552	Invoice.exe

pid	process
4552	Invoice.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 3192 wrote to memory of 1976	3192	Invoice.exe	powershell.exe
PID 3192 wrote to memory of 1976	3192	Invoice.exe	powershell.exe
PID 3192 wrote to memory of 1976	3192	Invoice.exe	powershell.exe
PID 3192 wrote to memory of 4436	3192	Invoice.exe	powershell.exe
PID 3192 wrote to memory of 4436	3192	Invoice.exe	powershell.exe
PID 3192 wrote to memory of 4436	3192	Invoice.exe	powershell.exe
PID 3192 wrote to memory of 4832	3192	Invoice.exe	schtasks.exe
PID 3192 wrote to memory of 4832	3192	Invoice.exe	schtasks.exe
PID 3192 wrote to memory of 4832	3192	Invoice.exe	schtasks.exe
PID 3192 wrote to memory of 4552	3192	Invoice.exe	Invoice.exe
PID 3192 wrote to memory of 4552	3192	Invoice.exe	Invoice.exe
PID 3192 wrote to memory of 4552	3192	Invoice.exe	Invoice.exe
PID 3192 wrote to memory of 4552	3192	Invoice.exe	Invoice.exe
PID 3192 wrote to memory of 4552	3192	Invoice.exe	Invoice.exe
PID 3192 wrote to memory of 4552	3192	Invoice.exe	Invoice.exe
PID 3192 wrote to memory of 4552	3192	Invoice.exe	Invoice.exe
PID 3192 wrote to memory of 4552	3192	Invoice.exe	Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3192

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\Invoice.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kaJNzBnxbXm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4436

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kaJNzBnxbXm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D21.tmp"
2⤵
- Creates scheduled task(s)
PID:4832

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
adbbc6f072a0411c45fd655709b1688b

SHA1
e95a34eb17214067c0a0fc70194fc15f8959c7ce

SHA256
b722337511f29676acb7a03eed2febd163d79d99eb9fd9543eef012ab5f5fdc2

SHA512
cb2b83416c0fa0f6baa5404cff37c3d4b22b40474f52997e0431f0d00dd9d41331c7b1df7c47c332bf955a66a73b3b71e1d83582cedddd7c9dc08adac9e992e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qaz40lkd.f2i.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6D21.tmp
Filesize
1KB

MD5
0cc253a844c8489756f6e488b797ede6

SHA1
b788b7f2e063e13303d64f72160dd1fd82e13b8b

SHA256
086990785f0b04cf77a2e26d8fe3851c2c4054e73dfca6d6fae55a70b372791a

SHA512
be64539ba4b57f6c94ea089112762b56cc5d960eecaae7f3e0bb2fb337d2bb209a257ff10989dcb4b86711e77c6a2d5772147d22d3302a351203d922f48a3575

Download Submit
memory/1976-43-0x00000000056E0000-0x0000000005A34000-memory.dmp

Filesize
3.3MB

Download
memory/1976-75-0x0000000007240000-0x00000000072D6000-memory.dmp

Filesize
600KB

Download
memory/1976-46-0x0000000005C90000-0x0000000005CAE000-memory.dmp

Filesize
120KB

Download
memory/1976-86-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1976-78-0x0000000007200000-0x0000000007214000-memory.dmp

Filesize
80KB

Download
memory/1976-77-0x00000000071F0000-0x00000000071FE000-memory.dmp

Filesize
56KB

Download
memory/1976-14-0x00000000046C0000-0x00000000046F6000-memory.dmp

Filesize
216KB

Download
memory/1976-47-0x00000000060A0000-0x00000000060EC000-memory.dmp

Filesize
304KB

Download
memory/1976-16-0x0000000004890000-0x00000000048A0000-memory.dmp

Filesize
64KB

Download
memory/1976-18-0x0000000004ED0000-0x00000000054F8000-memory.dmp

Filesize
6.2MB

Download
memory/1976-15-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1976-74-0x0000000007030000-0x000000000703A000-memory.dmp

Filesize
40KB

Download
memory/1976-61-0x000000006F950000-0x000000006F99C000-memory.dmp

Filesize
304KB

Download
memory/1976-17-0x0000000004890000-0x00000000048A0000-memory.dmp

Filesize
64KB

Download
memory/3192-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

Filesize
584KB

Download
memory/3192-7-0x0000000005190000-0x00000000051A4000-memory.dmp

Filesize
80KB

Download
memory/3192-4-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/3192-1-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3192-0-0x00000000003D0000-0x00000000004A4000-memory.dmp

Filesize
848KB

Download
memory/3192-2-0x00000000053A0000-0x0000000005944000-memory.dmp

Filesize
5.6MB

Download
memory/3192-8-0x0000000008D30000-0x0000000008DB2000-memory.dmp

Filesize
520KB

Download
memory/3192-9-0x000000000BE60000-0x000000000BEFC000-memory.dmp

Filesize
624KB

Download
memory/3192-6-0x0000000005140000-0x0000000005160000-memory.dmp

Filesize
128KB

Download
memory/3192-5-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/3192-48-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4436-20-0x0000000002D30000-0x0000000002D40000-memory.dmp

Filesize
64KB

Download
memory/4436-21-0x00000000055A0000-0x00000000055C2000-memory.dmp

Filesize
136KB

Download
memory/4436-22-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/4436-60-0x0000000006C50000-0x0000000006C6E000-memory.dmp

Filesize
120KB

Download
memory/4436-73-0x0000000007980000-0x000000000799A000-memory.dmp

Filesize
104KB

Download
memory/4436-19-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4436-50-0x000000006F950000-0x000000006F99C000-memory.dmp

Filesize
304KB

Download
memory/4436-76-0x0000000007B80000-0x0000000007B91000-memory.dmp

Filesize
68KB

Download
memory/4436-23-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/4436-71-0x0000000007650000-0x00000000076F3000-memory.dmp

Filesize
652KB

Download
memory/4436-79-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

Filesize
104KB

Download
memory/4436-80-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

Filesize
32KB

Download
memory/4436-49-0x0000000007610000-0x0000000007642000-memory.dmp

Filesize
200KB

Download
memory/4436-72-0x0000000007FD0000-0x000000000864A000-memory.dmp

Filesize
6.5MB

Download
memory/4436-87-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/4552-44-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4552-89-0x0000000006710000-0x0000000006760000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads