agenttesla | f0dff210f8c759c52bea75aaae8b8c2b3c830f65b354ddfb12537133bdb32adc

General

Target

PAYMENT_.exe
Size

391KB
MD5

dac2e135d82d0a829efa9d9d7e470e20
SHA1

f154744a4598842ace3aa3258ce8516530b38923
SHA256

22fd870db6109516f3696a5a25e7aa26a00fb233ee537de7403818514d2671fa
SHA512

e3f5db449482bdbc596289b40db0b79f7e625f102700ab146ad9452be5854e9efc3cf10ca57ccdb55e5697294d5126f29d6e95ea4bf70a55e0ffed36ac8071d6

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

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

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3328-141-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

CoreCCC Packer 1 IoCs

Detects CoreCCC packer used to load .NET malware.

Processes:

resource	yara_rule
behavioral2/memory/436-133-0x0000000000E90000-0x0000000000EF8000-memory.dmp	coreccc

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PAYMENT_.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	PAYMENT_.exe

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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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 436 set thread context of 3328 436 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

860 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PAYMENT_.exePAYMENT_.exe

pid process

436 PAYMENT_.exe
436 PAYMENT_.exe
436 PAYMENT_.exe
3328 PAYMENT_.exe
3328 PAYMENT_.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PAYMENT_.exePAYMENT_.exe

description pid process

Token: SeDebugPrivilege 436 PAYMENT_.exe
Token: SeDebugPrivilege 3328 PAYMENT_.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PAYMENT_.exe

pid process

3328 PAYMENT_.exe

description	pid	process	target process
PID 436 set thread context of 3328	436	PAYMENT_.exe	PAYMENT_.exe

pid	process
860	schtasks.exe

pid	process
436	PAYMENT_.exe
436	PAYMENT_.exe
436	PAYMENT_.exe
3328	PAYMENT_.exe
3328	PAYMENT_.exe

description	pid	process
Token: SeDebugPrivilege	436	PAYMENT_.exe
Token: SeDebugPrivilege	3328	PAYMENT_.exe

pid	process
3328	PAYMENT_.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PAYMENT_.exe

description	pid	process	target process
PID 436 wrote to memory of 860	436	PAYMENT_.exe	schtasks.exe
PID 436 wrote to memory of 860	436	PAYMENT_.exe	schtasks.exe
PID 436 wrote to memory of 860	436	PAYMENT_.exe	schtasks.exe
PID 436 wrote to memory of 3328	436	PAYMENT_.exe	PAYMENT_.exe
PID 436 wrote to memory of 3328	436	PAYMENT_.exe	PAYMENT_.exe
PID 436 wrote to memory of 3328	436	PAYMENT_.exe	PAYMENT_.exe
PID 436 wrote to memory of 3328	436	PAYMENT_.exe	PAYMENT_.exe
PID 436 wrote to memory of 3328	436	PAYMENT_.exe	PAYMENT_.exe
PID 436 wrote to memory of 3328	436	PAYMENT_.exe	PAYMENT_.exe
PID 436 wrote to memory of 3328	436	PAYMENT_.exe	PAYMENT_.exe
PID 436 wrote to memory of 3328	436	PAYMENT_.exe	PAYMENT_.exe

outlook_office_path 1 IoCs

Processes:

PAYMENT_.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	PAYMENT_.exe

outlook_win_path 1 IoCs

Processes:

PAYMENT_.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	PAYMENT_.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:436
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nndsPTsngHNGWz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAE84.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:860
- 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:3328

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

Query Registry

1

T1012

System Information Discovery

2

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\tmpAE84.tmp

Filesize
1KB

MD5
ed67140be88f7113aa482ebcf9c754d6

SHA1
c8a4ce36b710bad9a4b9812fc35a79ad0148ba78

SHA256
bb1ed0b82f26802e6990464c00abd4f75de594fdd3a26a5ee431c7d1b6f18991

SHA512
3acc26958e51888d28b41347426167e9fefcdbd003fb94f9d7412720217fe2a7572fe09133ecf77c909196a1197fe7089b097ca19e54e99f90a6edb7ac2b7c8a

Download Submit
memory/436-133-0x0000000000E90000-0x0000000000EF8000-memory.dmp

Filesize
416KB

Download
memory/436-134-0x00000000060F0000-0x0000000006694000-memory.dmp

Filesize
5.6MB

Download
memory/436-135-0x0000000005C40000-0x0000000005CD2000-memory.dmp

Filesize
584KB

Download
memory/436-136-0x0000000005CE0000-0x0000000005CEA000-memory.dmp

Filesize
40KB

Download
memory/436-137-0x0000000009410000-0x00000000094AC000-memory.dmp

Filesize
624KB

Download
memory/860-138-0x0000000000000000-mapping.dmp

Download
memory/3328-140-0x0000000000000000-mapping.dmp

Download
memory/3328-141-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3328-142-0x00000000055F0000-0x0000000005656000-memory.dmp

Filesize
408KB

Download
memory/3328-143-0x0000000006120000-0x0000000006170000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads