agenttesla | ff4f6647dac52eb1b0486ec807c149ab9fdfd2c9d746fbb73e2480f67f0afe4a

General

Target

New Orders- POB001745 PDF.exe
Size

666KB
MD5

0760e7f9daa0e835cb4f83762ea6a396
SHA1

1c93f56127048c0a3bc476014e97cd30398cefe3
SHA256

e8019c082f5e72270bfba4138ea662483e6235ab5751332e3ad9120f9850b5bd
SHA512

0fc15c08a74bf1b742f166b57edda31a94b39d74a4a4cfae147ade453dc930d4ddc53d6f5520112fbb3939d3cd52cc7a1125337e0798eb44a9c5cd6ab15ddc67

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.daafco.com
Port:
587
Username:
[email protected]
Password:
Rawan!@#

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/4792-138-0x0000000000400000-0x000000000044C000-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:

New Orders- POB001745 PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	New Orders- POB001745 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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oPLNOE = "C:\\Users\\Admin\\AppData\\Roaming\\oPLNOE\\oPLNOE.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

New Orders- POB001745 PDF.exe

description pid process target process

PID 4504 set thread context of 4792 4504 New Orders- POB001745 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

4280 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

4964 REG.exe

description	pid	process	target process
PID 4504 set thread context of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe

pid	process
4280	schtasks.exe

pid	process
4964	REG.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

New Orders- POB001745 PDF.exeRegSvcs.exe

pid	process
4504	New Orders- POB001745 PDF.exe
4504	New Orders- POB001745 PDF.exe
4504	New Orders- POB001745 PDF.exe
4504	New Orders- POB001745 PDF.exe
4792	RegSvcs.exe
4792	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Orders- POB001745 PDF.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4504 New Orders- POB001745 PDF.exe
Token: SeDebugPrivilege 4792 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4504	New Orders- POB001745 PDF.exe
Token: SeDebugPrivilege	4792	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

New Orders- POB001745 PDF.exeRegSvcs.exe

description	pid	process	target process
PID 4504 wrote to memory of 4280	4504	New Orders- POB001745 PDF.exe	schtasks.exe
PID 4504 wrote to memory of 4280	4504	New Orders- POB001745 PDF.exe	schtasks.exe
PID 4504 wrote to memory of 4280	4504	New Orders- POB001745 PDF.exe	schtasks.exe
PID 4504 wrote to memory of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe
PID 4504 wrote to memory of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe
PID 4504 wrote to memory of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe
PID 4504 wrote to memory of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe
PID 4504 wrote to memory of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe
PID 4504 wrote to memory of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe
PID 4504 wrote to memory of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe
PID 4504 wrote to memory of 4792	4504	New Orders- POB001745 PDF.exe	RegSvcs.exe
PID 4792 wrote to memory of 4964	4792	RegSvcs.exe	REG.exe
PID 4792 wrote to memory of 4964	4792	RegSvcs.exe	REG.exe
PID 4792 wrote to memory of 4964	4792	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\New Orders- POB001745 PDF.exe
"C:\Users\Admin\AppData\Local\Temp\New Orders- POB001745 PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4504

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp142F.tmp"
2⤵
- Creates scheduled task(s)
PID:4280

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:4792

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:4964

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

2

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\tmp142F.tmp
Filesize
1KB

MD5
f0194d140d5655b77acfe5c633086ba1

SHA1
8cd43646855f664a0ebcff81adb01c0681a9363e

SHA256
31fb428c38ed87cd3c15ca9020c0dd95120ff487e25a9886be7acf1c7c9c5e46

SHA512
abf16211ad68556400043b1a50b9753bbcdb25e433a1c7bc982afcd3c9bfa48207f063f90130d1f5fe1eb8c335ef06159d9fe740cff7f9e0cb6bca6d8e422a14

Download Submit
memory/4280-135-0x0000000000000000-mapping.dmp

Download
memory/4504-130-0x0000000000810000-0x00000000008BC000-memory.dmp

Filesize
688KB

Download
memory/4504-131-0x0000000007D00000-0x00000000082A4000-memory.dmp

Filesize
5.6MB

Download
memory/4504-132-0x0000000007750000-0x00000000077E2000-memory.dmp

Filesize
584KB

Download
memory/4504-133-0x00000000077F0000-0x00000000077FA000-memory.dmp

Filesize
40KB

Download
memory/4504-134-0x0000000007A20000-0x0000000007ABC000-memory.dmp

Filesize
624KB

Download
memory/4792-137-0x0000000000000000-mapping.dmp

Download
memory/4792-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4792-139-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/4792-140-0x00000000066F0000-0x0000000006740000-memory.dmp

Filesize
320KB

Download
memory/4964-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads