agenttesla | dd988b13c8f53beb75b2cfe1af636c0293a5c2d504696301184616a821cfaba9

General

Target

Payment_Advice.exe
Size

468KB
MD5

e6f94cdf7f585bfcb5dd2579a88a1add
SHA1

6f772d33c9af553712113a316c8e37e8d7447e72
SHA256

011a4b06a1a31fec0e9d5a013b9721f4e30f0ec963d07c42cb1d0e41c30df389
SHA512

f0ec99f30ec44519a214f62179fd4856cc0b2e814e09909d82c2504a26fc0c25cf6ba70ce4c0055ad8808dc0ea11de178c29e7adcb253776aeb54097502c1905

Score

10^/10

agenttesla collection evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

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/1896-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1896-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1896-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1896-64-0x000000000044CB2E-mapping.dmp	family_agenttesla
behavioral1/memory/1896-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1896-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/560-57-0x0000000004270000-0x00000000042C8000-memory.dmp	rezer0

Disables Task Manager via registry modification
evasion
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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment_Advice.exe

description pid process target process

PID 560 set thread context of 1896 560 Payment_Advice.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1040 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1896 RegSvcs.exe
1896 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment_Advice.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 560 Payment_Advice.exe
Token: SeDebugPrivilege 1896 RegSvcs.exe

description	pid	process	target process
PID 560 set thread context of 1896	560	Payment_Advice.exe	RegSvcs.exe

pid	process
1040	REG.exe

pid	process
1896	RegSvcs.exe
1896	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	560	Payment_Advice.exe
Token: SeDebugPrivilege	1896	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Payment_Advice.exeRegSvcs.exe

description	pid	process	target process
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 560 wrote to memory of 1896	560	Payment_Advice.exe	RegSvcs.exe
PID 1896 wrote to memory of 1040	1896	RegSvcs.exe	REG.exe
PID 1896 wrote to memory of 1040	1896	RegSvcs.exe	REG.exe
PID 1896 wrote to memory of 1040	1896	RegSvcs.exe	REG.exe
PID 1896 wrote to memory of 1040	1896	RegSvcs.exe	REG.exe
PID 1896 wrote to memory of 1364	1896	RegSvcs.exe	netsh.exe
PID 1896 wrote to memory of 1364	1896	RegSvcs.exe	netsh.exe
PID 1896 wrote to memory of 1364	1896	RegSvcs.exe	netsh.exe
PID 1896 wrote to memory of 1364	1896	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1896

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:1040

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/560-54-0x0000000000C00000-0x0000000000C7E000-memory.dmp

Filesize
504KB

Download
memory/560-55-0x0000000075271000-0x0000000075273000-memory.dmp

Filesize
8KB

Download
memory/560-56-0x0000000000440000-0x0000000000448000-memory.dmp

Filesize
32KB

Download
memory/560-57-0x0000000004270000-0x00000000042C8000-memory.dmp

Filesize
352KB

Download
memory/1040-70-0x0000000000000000-mapping.dmp

Download
memory/1364-71-0x0000000000000000-mapping.dmp

Download
memory/1896-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1896-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1896-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1896-64-0x000000000044CB2E-mapping.dmp

Download
memory/1896-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1896-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1896-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1896-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads