agenttesla | ab5354e47e271a691a05573d9bf49c20397b8e2602320a905502e83c4a1c58ee

General

Target

DHL Delivery Invoice AWB#7490327845.exe
Size

818KB
MD5

03706e52938770bd5497faddc41ae671
SHA1

75d77e86a0c5eb7745d0efe60c90175deea29fea
SHA256

ae424f87ddc0913714a888f32a9412df939107b863c28e407513cf1b55db07f2
SHA512

00fe3572a8cb40ec347c9ce563ecc4e78bc0cd93f7c987f1cc3cd9f2de1b93fa33bc7c3e017c84897c494a905895c987de71459151f5fb03f3c458bf15918a56
SSDEEP

12288:zzWWET/mr9K0A/B5bKmy+VDmVx5R380an/soBWKNmRobGGKraPHOLcIjqlEWDvo+:zzWWtDQKd+lFbNkALWfsE+

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
marcellinus360
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/2668-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2668-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2668-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000442000-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/2668-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2668-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2668-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000442000-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/2668-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2668-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2668-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000442000-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/2668-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2668-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2668-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000442000-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/2668-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2668-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2668-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000442000-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/2668-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2668-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2668-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Processes:

powershell.exe

pid process

2848 powershell.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

2 api.ipify.org
3 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL Delivery Invoice AWB#7490327845.exe

description pid process target process

PID 2556 set thread context of 2668 2556 DHL Delivery Invoice AWB#7490327845.exe RegSvcs.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

2608 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegSvcs.exepowershell.exe

pid process

2668 RegSvcs.exe
2668 RegSvcs.exe
2848 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2668 RegSvcs.exe
Token: SeDebugPrivilege 2848 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

2668 RegSvcs.exe

pid	process
2848	powershell.exe

flow	ioc
2	api.ipify.org
3	api.ipify.org

description	pid	process	target process
PID 2556 set thread context of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe

pid	process
2608	schtasks.exe

pid	process
2668	RegSvcs.exe
2668	RegSvcs.exe
2848	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2668	RegSvcs.exe
Token: SeDebugPrivilege	2848	powershell.exe

pid	process
2668	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

DHL Delivery Invoice AWB#7490327845.exe

description	pid	process	target process
PID 2556 wrote to memory of 2848	2556	DHL Delivery Invoice AWB#7490327845.exe	powershell.exe
PID 2556 wrote to memory of 2848	2556	DHL Delivery Invoice AWB#7490327845.exe	powershell.exe
PID 2556 wrote to memory of 2848	2556	DHL Delivery Invoice AWB#7490327845.exe	powershell.exe
PID 2556 wrote to memory of 2848	2556	DHL Delivery Invoice AWB#7490327845.exe	powershell.exe
PID 2556 wrote to memory of 2608	2556	DHL Delivery Invoice AWB#7490327845.exe	schtasks.exe
PID 2556 wrote to memory of 2608	2556	DHL Delivery Invoice AWB#7490327845.exe	schtasks.exe
PID 2556 wrote to memory of 2608	2556	DHL Delivery Invoice AWB#7490327845.exe	schtasks.exe
PID 2556 wrote to memory of 2608	2556	DHL Delivery Invoice AWB#7490327845.exe	schtasks.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe
PID 2556 wrote to memory of 2668	2556	DHL Delivery Invoice AWB#7490327845.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice AWB#7490327845.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice AWB#7490327845.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2556

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ChxJRlBJ.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChxJRlBJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5310.tmp"
2⤵
- Creates scheduled task(s)
PID:2608

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5310.tmp

Filesize
1KB

MD5
45a881563fd53ba25835351c2aedceb0

SHA1
6d0e78826cf4959832d944556ccfa26ecab08bd5

SHA256
b986e952cdbae51d3323638bba44b79ab4fa1e5c579b3732314bc314e8aa2c10

SHA512
1e4dd301ec15ad237439dd24d6b157eee5572abe43dab2d17583e0c8a688f1edb29d659e078f91b86bf1bd0160fadd14784b729ee21ebc38b2311a143870d8fa

Download Submit
memory/2556-27-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-1-0x0000000001340000-0x0000000001412000-memory.dmp

Filesize
840KB

Download
memory/2556-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-3-0x00000000008F0000-0x0000000000912000-memory.dmp

Filesize
136KB

Download
memory/2556-4-0x0000000000910000-0x000000000091C000-memory.dmp

Filesize
48KB

Download
memory/2556-5-0x0000000000920000-0x0000000000930000-memory.dmp

Filesize
64KB

Download
memory/2556-6-0x0000000004AB0000-0x0000000004B32000-memory.dmp

Filesize
520KB

Download
memory/2556-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2668-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2668-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2668-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2668-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2668-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2668-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2668-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads