agenttesla | ee575d62f189501bdf9f55b1a12c5ca57c991b16a0c9e7fc81aad01d32c8888f

General

Target

Export Documents (2).exe
Size

417KB
MD5

0657f318a479e4ef02b4eb081ae1f8a4
SHA1

dbb0026898b304f2b90347e9240a9a39514a4936
SHA256

be21fe83f9230cc17ae46dc93ef917972b39f41da97ee9dfcd75099fc1b2b65d
SHA512

7fec8f109d68b7b3ad1f76b3aef53ff02b37258d028b0f4ecbb748821f9b128308fc6094cbb403e787bbc71219c4f03ce9d028bc6c793b362c3a2f42c2f59506

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.saamaygroup.com
Port:
587
Username:
ashimdutta@saamaygroup.com
Password:
pawan100

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/4020-135-0x0000000000400000-0x000000000044C000-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Export Documents (2).exe

description pid process target process

PID 4116 set thread context of 4020 4116 Export Documents (2).exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

4700 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

4020 RegSvcs.exe
4020 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4020 RegSvcs.exe

description	pid	process	target process
PID 4116 set thread context of 4020	4116	Export Documents (2).exe	RegSvcs.exe

pid	process
4700	REG.exe

pid	process
4020	RegSvcs.exe
4020	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4020	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Export Documents (2).exeRegSvcs.exe

description	pid	process	target process
PID 4116 wrote to memory of 4020	4116	Export Documents (2).exe	RegSvcs.exe
PID 4116 wrote to memory of 4020	4116	Export Documents (2).exe	RegSvcs.exe
PID 4116 wrote to memory of 4020	4116	Export Documents (2).exe	RegSvcs.exe
PID 4116 wrote to memory of 4020	4116	Export Documents (2).exe	RegSvcs.exe
PID 4116 wrote to memory of 4020	4116	Export Documents (2).exe	RegSvcs.exe
PID 4116 wrote to memory of 4020	4116	Export Documents (2).exe	RegSvcs.exe
PID 4116 wrote to memory of 4020	4116	Export Documents (2).exe	RegSvcs.exe
PID 4116 wrote to memory of 4020	4116	Export Documents (2).exe	RegSvcs.exe
PID 4020 wrote to memory of 4700	4020	RegSvcs.exe	REG.exe
PID 4020 wrote to memory of 4700	4020	RegSvcs.exe	REG.exe
PID 4020 wrote to memory of 4700	4020	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Export Documents (2).exe
"C:\Users\Admin\AppData\Local\Temp\Export Documents (2).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4116

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:4020

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:4700

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/4020-134-0x0000000000000000-mapping.dmp

Download
memory/4020-135-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4020-136-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/4020-137-0x00000000062E0000-0x0000000006330000-memory.dmp

Filesize
320KB

Download
memory/4020-139-0x00000000063E0000-0x00000000063EA000-memory.dmp

Filesize
40KB

Download
memory/4116-130-0x0000000000B00000-0x0000000000B6E000-memory.dmp

Filesize
440KB

Download
memory/4116-131-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/4116-132-0x00000000054F0000-0x0000000005582000-memory.dmp

Filesize
584KB

Download
memory/4116-133-0x00000000063F0000-0x000000000648C000-memory.dmp

Filesize
624KB

Download
memory/4700-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads