agenttesla | f58569cf12f290aaf8ab11eef8aa242dc01528b5a7fbed2eb1deb601905211e4

General

Target

Swift copy.pdf,....exe
Size

611KB
MD5

046396ed46cad7eb60175d3c8e5ef031
SHA1

62fdb0cc9ed8ce1670c4eee6220d489927fa3b89
SHA256

0af16f11d3c4f8de65e4a6edba5d3ae82ea4e1b5a4ad5017b4e6363884998488
SHA512

3d63fdf4a92d9218cc8c4e6c167963a361436ea9a55d663c2ffc435a7adbef7dfa56876b0b55dfaa57f2f725d0ce84c6d85d7f07583e2d1bddb82b371f2867fc

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ffiegypt.com
Port:
587
Username:
[email protected]
Password:
12345678az

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1832-138-0x0000000000400000-0x000000000044C000-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

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:

Swift copy.pdf,....exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	Swift copy.pdf,....exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\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-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AvWCA = "C:\\Users\\Admin\\AppData\\Roaming\\AvWCA\\AvWCA.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Swift copy.pdf,....exe

description pid process target process

PID 2696 set thread context of 1832 2696 Swift copy.pdf,....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

224 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3516 REG.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Swift copy.pdf,....exeRegSvcs.exe

pid process

2696 Swift copy.pdf,....exe
2696 Swift copy.pdf,....exe
2696 Swift copy.pdf,....exe
2696 Swift copy.pdf,....exe
1832 RegSvcs.exe
1832 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Swift copy.pdf,....exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2696 Swift copy.pdf,....exe
Token: SeDebugPrivilege 1832 RegSvcs.exe

description	pid	process	target process
PID 2696 set thread context of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe

pid	process
224	schtasks.exe

pid	process
3516	REG.exe

pid	process
2696	Swift copy.pdf,....exe
2696	Swift copy.pdf,....exe
2696	Swift copy.pdf,....exe
2696	Swift copy.pdf,....exe
1832	RegSvcs.exe
1832	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2696	Swift copy.pdf,....exe
Token: SeDebugPrivilege	1832	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Swift copy.pdf,....exeRegSvcs.exe

description	pid	process	target process
PID 2696 wrote to memory of 224	2696	Swift copy.pdf,....exe	schtasks.exe
PID 2696 wrote to memory of 224	2696	Swift copy.pdf,....exe	schtasks.exe
PID 2696 wrote to memory of 224	2696	Swift copy.pdf,....exe	schtasks.exe
PID 2696 wrote to memory of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe
PID 2696 wrote to memory of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe
PID 2696 wrote to memory of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe
PID 2696 wrote to memory of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe
PID 2696 wrote to memory of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe
PID 2696 wrote to memory of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe
PID 2696 wrote to memory of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe
PID 2696 wrote to memory of 1832	2696	Swift copy.pdf,....exe	RegSvcs.exe
PID 1832 wrote to memory of 3516	1832	RegSvcs.exe	REG.exe
PID 1832 wrote to memory of 3516	1832	RegSvcs.exe	REG.exe
PID 1832 wrote to memory of 3516	1832	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\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-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Swift copy.pdf,....exe
"C:\Users\Admin\AppData\Local\Temp\Swift copy.pdf,....exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PoWDGuAorsQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A2.tmp"
2⤵
- Creates scheduled task(s)
PID:224

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:1832

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:3516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6A2.tmp
Filesize
1KB

MD5
2236d4a4e1f2c706cf435dfd68833c4a

SHA1
3d36aabcce518adef02b552be4a7d3d41116c7f1

SHA256
fb5a72ab5ecd7e2bdaa3c941956dbaf66933c8e9a068364cca8d838cb8de908e

SHA512
35d8364df36b5d054269fe4bd3fa63e7420b2d657e8d7f6135f28af557d36c0e3ac26b1b46e66965bc12a3e2be16c7782e14063d739e1d1a4e7db876541fbdf5

Download Submit
memory/224-135-0x0000000000000000-mapping.dmp

Download
memory/1832-137-0x0000000000000000-mapping.dmp

Download
memory/1832-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1832-139-0x00000000066D0000-0x0000000006736000-memory.dmp

Filesize
408KB

Download
memory/1832-140-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

Filesize
320KB

Download
memory/2696-130-0x0000000000F80000-0x000000000101E000-memory.dmp

Filesize
632KB

Download
memory/2696-131-0x0000000006080000-0x0000000006624000-memory.dmp

Filesize
5.6MB

Download
memory/2696-132-0x00000000059E0000-0x0000000005A72000-memory.dmp

Filesize
584KB

Download
memory/2696-133-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/2696-134-0x0000000005CA0000-0x0000000005D3C000-memory.dmp

Filesize
624KB

Download
memory/3516-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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