agenttesla | 97db943d58a436c3af596f5189c5f45c6303d6f5cd686d059d023d571d9ebf1b

General

Target

PROFORMA.EXE.exe
Size

485KB
MD5

af4f474f394a907b0a5fe32c58a9ec0f
SHA1

2711d6d2180bae3d4bebc24583b7312443c7cad8
SHA256

97db943d58a436c3af596f5189c5f45c6303d6f5cd686d059d023d571d9ebf1b
SHA512

8d5302f88899fcb5824d7b332a8f63095dc9baf43320211c98b9b226a02dde9c11383536cb30e2af544c4c458c8951cf9c69c4c50f8bba9c59d56149f9390369
SSDEEP

12288:iLBsUHAeKHYJNeJXKDdZeTvOxzP3W1pgkmiVv:iuyA3HwUXKDSrIzPtkxVv

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6454394730:AAGgFQQoYOheiUtQpndUMtI4qKuZRF8EXWA/

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	PROFORMA.EXE.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA.EXE.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA.EXE.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA.EXE.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
43	api.ipify.org
44	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4392 set thread context of 4952	4392	PROFORMA.EXE.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job

T1053

pid	Process
4560	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4392	PROFORMA.EXE.exe
4392	PROFORMA.EXE.exe
4952	PROFORMA.EXE.exe
4952	PROFORMA.EXE.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4392	PROFORMA.EXE.exe
Token: SeDebugPrivilege	4952	PROFORMA.EXE.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 4560	4392	PROFORMA.EXE.exe	91
PID 4392 wrote to memory of 4560	4392	PROFORMA.EXE.exe	91
PID 4392 wrote to memory of 4560	4392	PROFORMA.EXE.exe	91
PID 4392 wrote to memory of 1288	4392	PROFORMA.EXE.exe	93
PID 4392 wrote to memory of 1288	4392	PROFORMA.EXE.exe	93
PID 4392 wrote to memory of 1288	4392	PROFORMA.EXE.exe	93
PID 4392 wrote to memory of 4952	4392	PROFORMA.EXE.exe	94
PID 4392 wrote to memory of 4952	4392	PROFORMA.EXE.exe	94
PID 4392 wrote to memory of 4952	4392	PROFORMA.EXE.exe	94
PID 4392 wrote to memory of 4952	4392	PROFORMA.EXE.exe	94
PID 4392 wrote to memory of 4952	4392	PROFORMA.EXE.exe	94
PID 4392 wrote to memory of 4952	4392	PROFORMA.EXE.exe	94
PID 4392 wrote to memory of 4952	4392	PROFORMA.EXE.exe	94
PID 4392 wrote to memory of 4952	4392	PROFORMA.EXE.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA.EXE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA.EXE.exe

C:\Users\Admin\AppData\Local\Temp\PROFORMA.EXE.exe
"C:\Users\Admin\AppData\Local\Temp\PROFORMA.EXE.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\axKmKlmiaLB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35A1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4560
- C:\Users\Admin\AppData\Local\Temp\PROFORMA.EXE.exe
  "{path}"
  2⤵
  PID:1288
- C:\Users\Admin\AppData\Local\Temp\PROFORMA.EXE.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

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\Microsoft\CLR_v4.0_32\UsageLogs\PROFORMA.EXE.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp35A1.tmp

Filesize
1KB

MD5
0301168b629d2d94499e5a982d1b4e38

SHA1
d280e05dfaffad019e016e62f22a00eb346ef864

SHA256
e8ac552d418fffab4da2a6295bbd6befb90d8dba0276b366cf9674f012946897

SHA512
1091d266b7c4adf06aa45def72e222b30bea30320b759b6590e10137d7e1ef9cc55e7dcc7b553ed256ee67c40d91c832c5c3637c047d0d7ac7da8e146b2c43f5

Download Submit
memory/4392-5-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/4392-1-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4392-4-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/4392-0-0x0000000000C60000-0x0000000000CE0000-memory.dmp

Filesize
512KB

Download
memory/4392-6-0x0000000005710000-0x000000000571A000-memory.dmp

Filesize
40KB

Download
memory/4392-7-0x00000000059F0000-0x0000000005A46000-memory.dmp

Filesize
344KB

Download
memory/4392-8-0x0000000005B70000-0x0000000005B7C000-memory.dmp

Filesize
48KB

Download
memory/4392-9-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4392-10-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/4392-11-0x0000000008420000-0x00000000084A0000-memory.dmp

Filesize
512KB

Download
memory/4392-12-0x0000000006CB0000-0x0000000006CF4000-memory.dmp

Filesize
272KB

Download
memory/4392-3-0x0000000005D10000-0x00000000062B4000-memory.dmp

Filesize
5.6MB

Download
memory/4392-19-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4392-2-0x0000000005640000-0x00000000056DC000-memory.dmp

Filesize
624KB

Download
memory/4952-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4952-20-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4952-21-0x0000000004D40000-0x0000000004D50000-memory.dmp

Filesize
64KB

Download
memory/4952-22-0x0000000004EF0000-0x0000000004F56000-memory.dmp

Filesize
408KB

Download
memory/4952-23-0x0000000006410000-0x0000000006460000-memory.dmp

Filesize
320KB

Download
memory/4952-24-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4952-25-0x0000000004D40000-0x0000000004D50000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads