agenttesla | a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9

General

Target

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
Size

659KB
MD5

98b8971518202ded11fdcc151ed02557
SHA1

25628dc2c0a5d72dc211d927a93ce8b267c1c610
SHA256

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
SHA512

f16b2994661ca330c591400d42c899ede141ef3b5c23fb453c7c8dc1abc8265b2113bd4e0ccc7c4a6d729e6ef603df654298ffb502af5a985c980508034234d1
SSDEEP

12288:aLbB778QvvMehgHaUJ4h+665eeTUPdphLhPf0bPp75mumu98FkEVZ9LfiN3sTxYj:GbBhMCwip65EVzL5ox7r96DFLfc

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fascia-arch.com
Port:
587
Username:
[email protected]
Password:
HERbertstown1987
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. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2544-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2544-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2544-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2544-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2544-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2544-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2544-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2544-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2544-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2544-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2544-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2544-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2544-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2544-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2544-23-0x0000000000400000-0x0000000000442000-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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2544-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2544-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2544-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2544-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2544-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2544-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2544-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2544-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2544-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2544-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2544-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2544-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2544-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2544-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2544-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.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.

Processes:

flow ioc

5 api.ipify.org
4 api.ipify.org

flow	ioc
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe

description	pid	process	target process
PID 1252 set thread context of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.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

2504 schtasks.exe

pid	process
2504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exea689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exepowershell.exepowershell.exe

pid	process
1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
2544	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
2544	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
2880	powershell.exe
2956	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exea689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
Token: SeDebugPrivilege	2544	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	2956	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe

pid process

2544 a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe

pid	process
2544	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe

description	pid	process	target process
PID 1252 wrote to memory of 2956	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	powershell.exe
PID 1252 wrote to memory of 2956	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	powershell.exe
PID 1252 wrote to memory of 2956	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	powershell.exe
PID 1252 wrote to memory of 2956	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	powershell.exe
PID 1252 wrote to memory of 2880	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	powershell.exe
PID 1252 wrote to memory of 2880	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	powershell.exe
PID 1252 wrote to memory of 2880	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	powershell.exe
PID 1252 wrote to memory of 2880	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	powershell.exe
PID 1252 wrote to memory of 2504	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	schtasks.exe
PID 1252 wrote to memory of 2504	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	schtasks.exe
PID 1252 wrote to memory of 2504	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	schtasks.exe
PID 1252 wrote to memory of 2504	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	schtasks.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
PID 1252 wrote to memory of 2544	1252	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe	a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe

C:\Users\Admin\AppData\Local\Temp\a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
"C:\Users\Admin\AppData\Local\Temp\a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252

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\a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2956

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wIJZGYVmVbqsV.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wIJZGYVmVbqsV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB03C.tmp"
2⤵
- Creates scheduled task(s)
PID:2504

C:\Users\Admin\AppData\Local\Temp\a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe
"C:\Users\Admin\AppData\Local\Temp\a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2544

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

System Information Discovery

1

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\Temp\tmpB03C.tmp

Filesize
1KB

MD5
9a1b7e7c6a127d2a16ee9cc1df43d858

SHA1
60d8bebdf72dc6f478a9fd3890a762ae9c9754fd

SHA256
ccc9e5d1ef9a1ee9b0651ad50837b8c836ef48e5e896d448f7394cdfe26326f7

SHA512
d86d15d5f8090754cbc22649505e002c3c9f6636d23ab185a280039d8823ae9b785defd76a13d8be4ec6d6e25f162b4ae8b2227efa5af74e67bdea81b44cc22a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
ead7fad5d98bebb609f725e0f853ad40

SHA1
7be4f7872582139b102b75e57b9f305970409a57

SHA256
1b45239c688891ea33403555ca8de5912a92a0e6eee7c6950c312747f6dc7131

SHA512
939d1a1cea18a08c386bd00d17eac097242344e0f0c517bcfbb625f62274c5df0f6bd90db21de78acbcc2d892a726f75da6d2bcdb06eac5cd07ecee09e36716f

Download Submit
memory/1252-4-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/1252-31-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/1252-0-0x00000000012F0000-0x000000000139A000-memory.dmp

Filesize
680KB

Download
memory/1252-5-0x0000000000530000-0x0000000000546000-memory.dmp

Filesize
88KB

Download
memory/1252-6-0x0000000005000000-0x0000000005084000-memory.dmp

Filesize
528KB

Download
memory/1252-2-0x0000000000E20000-0x0000000000E60000-memory.dmp

Filesize
256KB

Download
memory/1252-1-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/1252-3-0x0000000000500000-0x0000000000518000-memory.dmp

Filesize
96KB

Download
memory/2544-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2544-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2544-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2544-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2544-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2544-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2544-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads