agenttesla | 75f6f20718312c0ff205aa976d495a1e47fb3c7d3ac614320d5045d98ea86e9a

General

Target

DHL_PACK.exe
Size

393KB
MD5

30f866d96f91763ce18e90684b8fc9df
SHA1

cf78a4e3ca271270e3063afe251b9130b1e097c2
SHA256

9054664b281021c3f1b59d7672f3633994256697514d2b810e1607541c553212
SHA512

f7bb9923f5cb125fc8d8b8beecc3571fb13aa6ad4b8d973d4b83a16e451f48de1042f65c806677edce4ad11efb0e0311a9b7868edd82d7ed2b79a52a80e1465e

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
surelylogs2@yandex.ru
Password:
uzoma1989

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/1788-56-0x0000000000440000-0x0000000000448000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/112-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/112-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/112-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/112-66-0x0000000000447ADE-mapping.dmp	family_agenttesla
behavioral1/memory/112-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/112-70-0x0000000000400000-0x000000000044C000-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/1788-57-0x0000000005360000-0x00000000053B4000-memory.dmp	rezer0

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL_PACK.exe

description pid process target process

PID 1788 set thread context of 112 1788 DHL_PACK.exe vbc.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

1564 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DHL_PACK.exevbc.exe

pid process

1788 DHL_PACK.exe
112 vbc.exe
112 vbc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL_PACK.exevbc.exe

description pid process

Token: SeDebugPrivilege 1788 DHL_PACK.exe
Token: SeDebugPrivilege 112 vbc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

112 vbc.exe

description	pid	process	target process
PID 1788 set thread context of 112	1788	DHL_PACK.exe	vbc.exe

pid	process
1564	schtasks.exe

pid	process
1788	DHL_PACK.exe
112	vbc.exe
112	vbc.exe

description	pid	process
Token: SeDebugPrivilege	1788	DHL_PACK.exe
Token: SeDebugPrivilege	112	vbc.exe

pid	process
112	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHL_PACK.exe

description	pid	process	target process
PID 1788 wrote to memory of 1564	1788	DHL_PACK.exe	schtasks.exe
PID 1788 wrote to memory of 1564	1788	DHL_PACK.exe	schtasks.exe
PID 1788 wrote to memory of 1564	1788	DHL_PACK.exe	schtasks.exe
PID 1788 wrote to memory of 1564	1788	DHL_PACK.exe	schtasks.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe
PID 1788 wrote to memory of 112	1788	DHL_PACK.exe	vbc.exe

outlook_office_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\DHL_PACK.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_PACK.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cPJYYyCA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7753.tmp"
2⤵
- Creates scheduled task(s)
PID:1564

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:112

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

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\tmp7753.tmp
Filesize
1KB

MD5
58e5abff86a38dcdb482e80cb0fe05b0

SHA1
6c8cb481fc37377fab2525818c0c3e111ec61280

SHA256
4e49822826bf06602cfdaf12ffce5043cb20fc4835005311b578a2360405dd93

SHA512
4bcad1cfebcebe9f44efa7d9128b8440d47fe3c9a4b0ae00c55b2479f37a8f653ffd968db594b5a3d0af286a1abafe071b33036724ff766bad027ae56135c83f

Download Submit
memory/112-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/112-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/112-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/112-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/112-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/112-66-0x0000000000447ADE-mapping.dmp

Download
memory/112-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/112-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1564-58-0x0000000000000000-mapping.dmp

Download
memory/1788-56-0x0000000000440000-0x0000000000448000-memory.dmp

Filesize
32KB

Download
memory/1788-57-0x0000000005360000-0x00000000053B4000-memory.dmp

Filesize
336KB

Download
memory/1788-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1788-54-0x0000000000090000-0x00000000000F8000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads