agenttesla | da3b0d0acac3c2309c7ea606212b9c9a301b8f6405ca6a18a442286c6d00ddcf

General

Target

Order-Mer-300523-PDF.exe
Size

914KB
MD5

df426fb723fb4e2e89555133cf7ce84a
SHA1

80784c8f550d57586df0ba312c1adfc4a0c9913e
SHA256

da3b0d0acac3c2309c7ea606212b9c9a301b8f6405ca6a18a442286c6d00ddcf
SHA512

4cf590404a3ab3447e664ae36c81f6c52f10e67b837d6be7155ca54c736d0991c0609e6d0679e9ff421734dfc75fb9c3389c90dae277db218f914c451ca699dd
SSDEEP

12288:L5dPG2fAKo3DbRpDlG+i6VisHL8YhktzXggC9:JABDE+iCisHgcktzX

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6225886424:AAE04Y_inojm0Tzj3dwMSlWwGuV885bHLak/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order-Mer-300523-PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order-Mer-300523-PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order-Mer-300523-PDF.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
63	api.ipify.org
64	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3972 set thread context of 2980	3972	Order-Mer-300523-PDF.exe	94

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3972	Order-Mer-300523-PDF.exe
3972	Order-Mer-300523-PDF.exe
2980	Order-Mer-300523-PDF.exe
2980	Order-Mer-300523-PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3972	Order-Mer-300523-PDF.exe
Token: SeDebugPrivilege	2980	Order-Mer-300523-PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2980	Order-Mer-300523-PDF.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 1336	3972	Order-Mer-300523-PDF.exe	93
PID 3972 wrote to memory of 1336	3972	Order-Mer-300523-PDF.exe	93
PID 3972 wrote to memory of 1336	3972	Order-Mer-300523-PDF.exe	93
PID 3972 wrote to memory of 2980	3972	Order-Mer-300523-PDF.exe	94
PID 3972 wrote to memory of 2980	3972	Order-Mer-300523-PDF.exe	94
PID 3972 wrote to memory of 2980	3972	Order-Mer-300523-PDF.exe	94
PID 3972 wrote to memory of 2980	3972	Order-Mer-300523-PDF.exe	94
PID 3972 wrote to memory of 2980	3972	Order-Mer-300523-PDF.exe	94
PID 3972 wrote to memory of 2980	3972	Order-Mer-300523-PDF.exe	94
PID 3972 wrote to memory of 2980	3972	Order-Mer-300523-PDF.exe	94
PID 3972 wrote to memory of 2980	3972	Order-Mer-300523-PDF.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order-Mer-300523-PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order-Mer-300523-PDF.exe

C:\Users\Admin\AppData\Local\Temp\Order-Mer-300523-PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Order-Mer-300523-PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Users\Admin\AppData\Local\Temp\Order-Mer-300523-PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Order-Mer-300523-PDF.exe"
  2⤵
  PID:1336
- C:\Users\Admin\AppData\Local\Temp\Order-Mer-300523-PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Order-Mer-300523-PDF.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Order-Mer-300523-PDF.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2980-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2980-147-0x00000000073A0000-0x0000000007562000-memory.dmp

Filesize
1.8MB

Download
memory/2980-146-0x0000000007180000-0x00000000071D0000-memory.dmp

Filesize
320KB

Download
memory/2980-145-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download
memory/2980-144-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download
memory/2980-143-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/3972-136-0x0000000004D00000-0x0000000004D10000-memory.dmp

Filesize
64KB

Download
memory/3972-139-0x000000000A8B0000-0x000000000A94C000-memory.dmp

Filesize
624KB

Download
memory/3972-138-0x0000000004D00000-0x0000000004D10000-memory.dmp

Filesize
64KB

Download
memory/3972-137-0x0000000004C40000-0x0000000004C4A000-memory.dmp

Filesize
40KB

Download
memory/3972-133-0x0000000000120000-0x000000000020A000-memory.dmp

Filesize
936KB

Download
memory/3972-135-0x0000000004B90000-0x0000000004C22000-memory.dmp

Filesize
584KB

Download
memory/3972-134-0x0000000005220000-0x00000000057C4000-memory.dmp

Filesize
5.6MB

Download

Analysis

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