agenttesla | 0cbbd9e6106d9799ddf5b68b94872e5e4b1254a88c1c6d1c7edb099692313951

General

Target

?gnp.025062-OP.exe
Size

592KB
MD5

73649cfc570b95a7b28ea33e5922f909
SHA1

2aa9319bdfcf515ce716e7ca299764011cc3e66d
SHA256

8434971fe8238cbca3e48cd4f128b6c36170f263f1b07e7f942197efae39e4c0
SHA512

32c958e076c89635eab4513752f9e1e26e7dc5dd018cd2541d4e7757fd3410e4ea9088a418c2bc128628f1556dc573c263c7844ebc5b4487453bcb6f987102e7

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.winhalltech.com
Port:
587
Username:
hafizzul@winhalltech.com
Password:
Hafizzul*010218

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/292-56-0x0000000000550000-0x0000000000558000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1320-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1320-64-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1320-65-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1320-66-0x000000000044BFAE-mapping.dmp	family_agenttesla
behavioral1/memory/1320-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1320-70-0x0000000000400000-0x0000000000450000-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/292-57-0x0000000000DF0000-0x0000000000E48000-memory.dmp	rezer0

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

_gnp.025062-OP.exe

description pid process target process

PID 292 set thread context of 1320 292 _gnp.025062-OP.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

1408 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

_gnp.025062-OP.exeRegSvcs.exe

pid process

292 _gnp.025062-OP.exe
1320 RegSvcs.exe
1320 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

_gnp.025062-OP.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 292 _gnp.025062-OP.exe
Token: SeDebugPrivilege 1320 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

1320 RegSvcs.exe

description	pid	process	target process
PID 292 set thread context of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe

pid	process
1408	schtasks.exe

pid	process
292	_gnp.025062-OP.exe
1320	RegSvcs.exe
1320	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	292	_gnp.025062-OP.exe
Token: SeDebugPrivilege	1320	RegSvcs.exe

pid	process
1320	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

_gnp.025062-OP.exe

description	pid	process	target process
PID 292 wrote to memory of 1408	292	_gnp.025062-OP.exe	schtasks.exe
PID 292 wrote to memory of 1408	292	_gnp.025062-OP.exe	schtasks.exe
PID 292 wrote to memory of 1408	292	_gnp.025062-OP.exe	schtasks.exe
PID 292 wrote to memory of 1408	292	_gnp.025062-OP.exe	schtasks.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.exe
PID 292 wrote to memory of 1320	292	_gnp.025062-OP.exe	RegSvcs.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\_gnp.025062-OP.exe
"C:\Users\Admin\AppData\Local\Temp\_gnp.025062-OP.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:292

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cEUbjIV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4DF2.tmp"
2⤵
- Creates scheduled task(s)
PID:1408

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1320

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4DF2.tmp
Filesize
1KB

MD5
170ab2bd7ae7c2ae518272cae9673132

SHA1
38584ac2cc2b19449cfefb32874918e2ece1e016

SHA256
c7567ee7e5d8d8d02a28c104f49815df52072b50dbbe8d77d208f0c70148a604

SHA512
cfe08ed02c60017467098370e59f976eb3da2c97e552c532811c2565554cb7ae382757da8ee6f87d068821f3c05870b1ff9cbf0737476c06c20a95e3329a6059

Download Submit
memory/292-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/292-56-0x0000000000550000-0x0000000000558000-memory.dmp

Filesize
32KB

Download
memory/292-57-0x0000000000DF0000-0x0000000000E48000-memory.dmp

Filesize
352KB

Download
memory/292-54-0x0000000001300000-0x000000000139A000-memory.dmp

Filesize
616KB

Download
memory/1320-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1320-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1320-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1320-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1320-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1320-66-0x000000000044BFAE-mapping.dmp

Download
memory/1320-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1320-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1408-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads