agenttesla | 4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601

Analysis

max time kernel
139s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
17/07/2023, 07:33

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General

Target
NSfzA4ooMisVxKC.exe
Size 613KB
Sample230717-jdjskaaf85
SHA256 4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601
MD5 e0ab1c2ae91defc4d4219bc6e39e4c1a
SHA1 16c4c25cf8cc2e314e48cae28a1eacf85a6cf1ba
SHA512 8f0e68174d8234e6a9086316cabe52611cb42b45e765a23005935942f31cd65aed6c05d80e1e282783aefad2aca0d8b520dffde9673564217a678814a63e2a91
SSDEEP 12288:KhKt61MtkhJp240ZZzg1grOLhk2PLu12j0eq55nm+XqTrQaSejL8Z:9MAWJQTjkEOLhk2K2jkm+XqTrQaSejLk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
cp7nl.hyperhost.ua
Port
587
Username
[email protected]
Password
7213575aceACE@#$
Email to
[email protected]

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-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NSfzA4ooMisVxKC.exe
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NSfzA4ooMisVxKC.exe
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NSfzA4ooMisVxKC.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 2204	2216	NSfzA4ooMisVxKC.exe	100

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2216	NSfzA4ooMisVxKC.exe
2216	NSfzA4ooMisVxKC.exe
2216	NSfzA4ooMisVxKC.exe
2216	NSfzA4ooMisVxKC.exe
2216	NSfzA4ooMisVxKC.exe
2216	NSfzA4ooMisVxKC.exe
2204	NSfzA4ooMisVxKC.exe
2204	NSfzA4ooMisVxKC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	NSfzA4ooMisVxKC.exe
Token: SeDebugPrivilege	2204	NSfzA4ooMisVxKC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2204	NSfzA4ooMisVxKC.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 1844	2216	NSfzA4ooMisVxKC.exe	97
PID 2216 wrote to memory of 1844	2216	NSfzA4ooMisVxKC.exe	97
PID 2216 wrote to memory of 1844	2216	NSfzA4ooMisVxKC.exe	97
PID 2216 wrote to memory of 1292	2216	NSfzA4ooMisVxKC.exe	98
PID 2216 wrote to memory of 1292	2216	NSfzA4ooMisVxKC.exe	98
PID 2216 wrote to memory of 1292	2216	NSfzA4ooMisVxKC.exe	98
PID 2216 wrote to memory of 1220	2216	NSfzA4ooMisVxKC.exe	99
PID 2216 wrote to memory of 1220	2216	NSfzA4ooMisVxKC.exe	99
PID 2216 wrote to memory of 1220	2216	NSfzA4ooMisVxKC.exe	99
PID 2216 wrote to memory of 2204	2216	NSfzA4ooMisVxKC.exe	100
PID 2216 wrote to memory of 2204	2216	NSfzA4ooMisVxKC.exe	100
PID 2216 wrote to memory of 2204	2216	NSfzA4ooMisVxKC.exe	100
PID 2216 wrote to memory of 2204	2216	NSfzA4ooMisVxKC.exe	100
PID 2216 wrote to memory of 2204	2216	NSfzA4ooMisVxKC.exe	100
PID 2216 wrote to memory of 2204	2216	NSfzA4ooMisVxKC.exe	100
PID 2216 wrote to memory of 2204	2216	NSfzA4ooMisVxKC.exe	100
PID 2216 wrote to memory of 2204	2216	NSfzA4ooMisVxKC.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NSfzA4ooMisVxKC.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NSfzA4ooMisVxKC.exe

C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe
"C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe
  "C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe"
  2⤵
  PID:1844
- C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe
  "C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe"
  2⤵
  PID:1292
- C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe
  "C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe"
  2⤵
  PID:1220
- C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe
  "C:\Users\Admin\AppData\Local\Temp\NSfzA4ooMisVxKC.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

NSfzA4ooMisVxKC.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NSfzA4ooMisVxKC.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/2204-142-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/2204-152-0x00000000054A0000-0x00000000054B0000-memory.dmp

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memory/2204-151-0x00000000747A0000-0x0000000074F50000-memory.dmp

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memory/2204-150-0x0000000006470000-0x0000000006632000-memory.dmp

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memory/2204-149-0x0000000006250000-0x00000000062A0000-memory.dmp

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memory/2204-148-0x00000000054B0000-0x0000000005516000-memory.dmp

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memory/2204-147-0x00000000054A0000-0x00000000054B0000-memory.dmp

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memory/2204-145-0x00000000747A0000-0x0000000074F50000-memory.dmp

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memory/2216-141-0x00000000096C0000-0x000000000975C000-memory.dmp

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memory/2216-133-0x00000000747A0000-0x0000000074F50000-memory.dmp

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memory/2216-140-0x0000000005810000-0x0000000005820000-memory.dmp

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memory/2216-146-0x00000000747A0000-0x0000000074F50000-memory.dmp

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memory/2216-139-0x00000000747A0000-0x0000000074F50000-memory.dmp

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memory/2216-138-0x0000000005A20000-0x0000000005A2A000-memory.dmp

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memory/2216-137-0x0000000005810000-0x0000000005820000-memory.dmp

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memory/2216-136-0x0000000005860000-0x00000000058F2000-memory.dmp

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memory/2216-135-0x0000000005D70000-0x0000000006314000-memory.dmp

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memory/2216-134-0x0000000000DE0000-0x0000000000E80000-memory.dmp

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