agenttesla | b188a13a9f8d13e388089ecbe4725f5c0e2a17c2f1036e0a7ab0cf5aab878549

General

Target

OVERDUE PAYMENT LIST.exe
Size

868KB
MD5

4b157f58016445399705b1e1aa57d282
SHA1

7938ea46e93d1f7d80e84687955fc2894f6fb051
SHA256

b188a13a9f8d13e388089ecbe4725f5c0e2a17c2f1036e0a7ab0cf5aab878549
SHA512

f03250454fbc65f925833cee3e3ccb6f8b183e38b17794a7e4974f776d5463ada881bec535c73263dfc55e83ea8ba88db98de48af4cb5944785578717d0c5c3d
SSDEEP

12288:IEVq7Kg9kY75YoJAbek8NUrQHSrqWkhbmCPk4iFssKlSwx7IkNLHp:Cugb75YdFcWqW4bS4IsNQw+mjp

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dmstech.in
Port:
587
Username:
[email protected]
Password:
0]6F9Az.pqfd
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

Processes:

OVERDUE PAYMENT LIST.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	OVERDUE PAYMENT LIST.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zBwkauB = "C:\\Users\\Admin\\AppData\\Roaming\\zBwkauB\\zBwkauB.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

OVERDUE PAYMENT LIST.exe

description pid process target process

PID 4988 set thread context of 3456 4988 OVERDUE PAYMENT LIST.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

2424 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegSvcs.exe

pid process

3456 RegSvcs.exe
3456 RegSvcs.exe
3456 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 3456 RegSvcs.exe

description	pid	process	target process
PID 4988 set thread context of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe

pid	process
2424	schtasks.exe

pid	process
3456	RegSvcs.exe
3456	RegSvcs.exe
3456	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3456	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

OVERDUE PAYMENT LIST.exe

description	pid	process	target process
PID 4988 wrote to memory of 2424	4988	OVERDUE PAYMENT LIST.exe	schtasks.exe
PID 4988 wrote to memory of 2424	4988	OVERDUE PAYMENT LIST.exe	schtasks.exe
PID 4988 wrote to memory of 2424	4988	OVERDUE PAYMENT LIST.exe	schtasks.exe
PID 4988 wrote to memory of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe
PID 4988 wrote to memory of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe
PID 4988 wrote to memory of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe
PID 4988 wrote to memory of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe
PID 4988 wrote to memory of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe
PID 4988 wrote to memory of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe
PID 4988 wrote to memory of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe
PID 4988 wrote to memory of 3456	4988	OVERDUE PAYMENT LIST.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\OVERDUE PAYMENT LIST.exe
"C:\Users\Admin\AppData\Local\Temp\OVERDUE PAYMENT LIST.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4988

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DpJaXqOF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp396A.tmp"
2⤵
- Creates scheduled task(s)
PID:2424

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3456

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp396A.tmp
Filesize
1KB

MD5
4bda33f125987273069b70f0df1391e1

SHA1
b476ebc43f427ecb9d7a980e28626d8e0b1c1e6b

SHA256
5e1af9b9f0f432cf4afb21765acb0da0f93ec76d24c670a0aef4386109628f75

SHA512
c05b327fe0d0513475a7728c91c0916f1d8034d831a57c60d8744d1693d9dd79baa75ec3d0601455c122d70815261ad3d0ec36793543ae3fe873b6abac8273d9

Download Submit
memory/2424-137-0x0000000000000000-mapping.dmp

Download
memory/3456-139-0x0000000000000000-mapping.dmp

Download
memory/3456-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3456-141-0x0000000005DD0000-0x0000000005E36000-memory.dmp

Filesize
408KB

Download
memory/3456-142-0x0000000006100000-0x0000000006150000-memory.dmp

Filesize
320KB

Download
memory/4988-132-0x00000000000E0000-0x00000000001BE000-memory.dmp

Filesize
888KB

Download
memory/4988-133-0x00000000050B0000-0x0000000005654000-memory.dmp

Filesize
5.6MB

Download
memory/4988-134-0x0000000004BA0000-0x0000000004C32000-memory.dmp

Filesize
584KB

Download
memory/4988-135-0x0000000004C40000-0x0000000004CDC000-memory.dmp

Filesize
624KB

Download
memory/4988-136-0x0000000004B50000-0x0000000004B5A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads