agenttesla | 656e2f3fc777bedb947f7b6c5c2a54875e4f59274b60cc8df40a6b780d42dd97

General

Target

Ref PO-11059021022021.exe
Size

822KB
MD5

3508d774e8df045ef0439c29e48169e9
SHA1

52914ca4c253dca00fb9cba081c8ffde1bf6f8c5
SHA256

df57cc0b28f8d1219fd566db53271af52086fbee8b3493d42c93b82428f2fb8d
SHA512

0eaf8f044fb670f922559ebb3a8412dddc4670268f15949a09d5cc3017e91320c4ed988d6452711b2a92c2fdd6eba8c3bb4af09a8d7c490a3c01b637151b3995

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.a-k.co.ir
Port:
587
Username:
[email protected]
Password:
09133434194

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1432-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1432-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1432-66-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1432-67-0x0000000000454D3E-mapping.dmp	family_agenttesla
behavioral1/memory/1432-71-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1432-69-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\jIxVtUg = "C:\\Users\\Admin\\AppData\\Roaming\\jIxVtUg\\jIxVtUg.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Ref PO-11059021022021.exe

description pid process target process

PID 1008 set thread context of 1432 1008 Ref PO-11059021022021.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

2012 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1092 REG.exe

description	pid	process	target process
PID 1008 set thread context of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe

pid	process
2012	schtasks.exe

pid	process
1092	REG.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Ref PO-11059021022021.exeRegSvcs.exe

pid	process
1008	Ref PO-11059021022021.exe
1008	Ref PO-11059021022021.exe
1008	Ref PO-11059021022021.exe
1008	Ref PO-11059021022021.exe
1008	Ref PO-11059021022021.exe
1008	Ref PO-11059021022021.exe
1432	RegSvcs.exe
1432	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ref PO-11059021022021.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1008 Ref PO-11059021022021.exe
Token: SeDebugPrivilege 1432 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1008	Ref PO-11059021022021.exe
Token: SeDebugPrivilege	1432	RegSvcs.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Ref PO-11059021022021.exeRegSvcs.exe

description	pid	process	target process
PID 1008 wrote to memory of 2012	1008	Ref PO-11059021022021.exe	schtasks.exe
PID 1008 wrote to memory of 2012	1008	Ref PO-11059021022021.exe	schtasks.exe
PID 1008 wrote to memory of 2012	1008	Ref PO-11059021022021.exe	schtasks.exe
PID 1008 wrote to memory of 2012	1008	Ref PO-11059021022021.exe	schtasks.exe
PID 1008 wrote to memory of 1800	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1800	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1800	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1800	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1800	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1800	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1800	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1008 wrote to memory of 1432	1008	Ref PO-11059021022021.exe	RegSvcs.exe
PID 1432 wrote to memory of 1092	1432	RegSvcs.exe	REG.exe
PID 1432 wrote to memory of 1092	1432	RegSvcs.exe	REG.exe
PID 1432 wrote to memory of 1092	1432	RegSvcs.exe	REG.exe
PID 1432 wrote to memory of 1092	1432	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Ref PO-11059021022021.exe
"C:\Users\Admin\AppData\Local\Temp\Ref PO-11059021022021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oABTFTamHr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD2AB.tmp"
2⤵
- Creates scheduled task(s)
PID:2012

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:1800

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1432

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:1092

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

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD2AB.tmp
Filesize
1KB

MD5
0d2c1bcebce24bc8f19b93f0f24b8e70

SHA1
4fe0888f1f7df741baaee874105af92a6dbb13ea

SHA256
bed00c1adc2392f57f90c614f1205364e08e16a903f4339ce03bafb6b7a0d5d2

SHA512
5f2603f09ac01194835f551b17224a1045f91adcfcf2b64e0944b03b24e9a85e46a01afbeebb679d36e941d252efb634ce3905c746ce52450cf178674e3aa902

Download Submit
memory/1008-54-0x0000000001080000-0x0000000001152000-memory.dmp

Filesize
840KB

Download
memory/1008-55-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/1008-56-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download
memory/1008-57-0x0000000004CD0000-0x0000000004D40000-memory.dmp

Filesize
448KB

Download
memory/1008-58-0x0000000000990000-0x00000000009EA000-memory.dmp

Filesize
360KB

Download
memory/1092-73-0x0000000000000000-mapping.dmp

Download
memory/1432-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1432-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1432-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1432-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1432-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1432-67-0x0000000000454D3E-mapping.dmp

Download
memory/1432-71-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1432-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2012-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads