agenttesla | f0dff210f8c759c52bea75aaae8b8c2b3c830f65b354ddfb12537133bdb32adc

General

Target

PAYMENT_.exe
Size

391KB
MD5

dac2e135d82d0a829efa9d9d7e470e20
SHA1

f154744a4598842ace3aa3258ce8516530b38923
SHA256

22fd870db6109516f3696a5a25e7aa26a00fb233ee537de7403818514d2671fa
SHA512

e3f5db449482bdbc596289b40db0b79f7e625f102700ab146ad9452be5854e9efc3cf10ca57ccdb55e5697294d5126f29d6e95ea4bf70a55e0ffed36ac8071d6

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
prudential.com.np
Port:
587
Username:
[email protected]
Password:
ensure@prudential

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/1648-56-0x0000000000580000-0x0000000000588000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1504-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1504-64-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1504-65-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1504-66-0x000000000044BF5E-mapping.dmp	family_agenttesla
behavioral1/memory/1504-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1504-70-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

CoreCCC Packer 1 IoCs

Detects CoreCCC packer used to load .NET malware.

Processes:

resource	yara_rule
behavioral1/memory/1648-54-0x00000000001F0000-0x0000000000258000-memory.dmp	coreccc

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1648-57-0x0000000004B50000-0x0000000004BA8000-memory.dmp	rezer0

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PAYMENT_.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	PAYMENT_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PAYMENT_.exe

description pid process target process

PID 1648 set thread context of 1504 1648 PAYMENT_.exe PAYMENT_.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

1172 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PAYMENT_.exePAYMENT_.exe

pid process

1648 PAYMENT_.exe
1648 PAYMENT_.exe
1648 PAYMENT_.exe
1648 PAYMENT_.exe
1504 PAYMENT_.exe
1504 PAYMENT_.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PAYMENT_.exePAYMENT_.exe

description pid process

Token: SeDebugPrivilege 1648 PAYMENT_.exe
Token: SeDebugPrivilege 1504 PAYMENT_.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PAYMENT_.exe

pid process

1504 PAYMENT_.exe

description	pid	process	target process
PID 1648 set thread context of 1504	1648	PAYMENT_.exe	PAYMENT_.exe

pid	process
1172	schtasks.exe

pid	process
1648	PAYMENT_.exe
1648	PAYMENT_.exe
1648	PAYMENT_.exe
1648	PAYMENT_.exe
1504	PAYMENT_.exe
1504	PAYMENT_.exe

description	pid	process
Token: SeDebugPrivilege	1648	PAYMENT_.exe
Token: SeDebugPrivilege	1504	PAYMENT_.exe

pid	process
1504	PAYMENT_.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PAYMENT_.exe

description	pid	process	target process
PID 1648 wrote to memory of 1172	1648	PAYMENT_.exe	schtasks.exe
PID 1648 wrote to memory of 1172	1648	PAYMENT_.exe	schtasks.exe
PID 1648 wrote to memory of 1172	1648	PAYMENT_.exe	schtasks.exe
PID 1648 wrote to memory of 1172	1648	PAYMENT_.exe	schtasks.exe
PID 1648 wrote to memory of 1192	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1192	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1192	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1192	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1268	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1268	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1268	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1268	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe
PID 1648 wrote to memory of 1504	1648	PAYMENT_.exe	PAYMENT_.exe

outlook_office_path 1 IoCs

Processes:

PAYMENT_.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	PAYMENT_.exe

outlook_win_path 1 IoCs

Processes:

PAYMENT_.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	PAYMENT_.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nndsPTsngHNGWz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1787.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1172
- C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe
  "{path}"
  2⤵
  PID:1192
- C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe
  "{path}"
  2⤵
  PID:1268
- C:\Users\Admin\AppData\Local\Temp\PAYMENT_.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:1504

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1787.tmp

Filesize
1KB

MD5
3cca406240b37695ba2bcab9f83dea96

SHA1
17efd4b7496d69450b6dbc35ccf356e79e557c69

SHA256
c8af4d5afbc503a6543334f789906799721cbe83dae7ca59e9d5b6246a85abc2

SHA512
802c85b474d911f0bcf06cc2eadb0eda20a93e62e4b3fe146a849ed8ed03754948d9fcd541beb8caa3ae1f754dd4decee94c0cedbdeb1a4bbc479c88c1815946

Download Submit
memory/1172-58-0x0000000000000000-mapping.dmp

Download
memory/1504-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1504-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1504-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1504-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1504-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1504-66-0x000000000044BF5E-mapping.dmp

Download
memory/1504-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1504-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1648-57-0x0000000004B50000-0x0000000004BA8000-memory.dmp

Filesize
352KB

Download
memory/1648-56-0x0000000000580000-0x0000000000588000-memory.dmp

Filesize
32KB

Download
memory/1648-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1648-54-0x00000000001F0000-0x0000000000258000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads