agenttesla | fd987d623939a8b69f25a2b8350fb6e76a51e77545add40658fc60f00950d625

Analysis

max time kernel
113s
max time network
129s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
07/06/2023, 16:55

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General

Target

test.exe
Size

734KB
MD5

005c45c7069070fe6ad1f112a16f135c
SHA1

a023833da6bc0ecbaa674be65bdfd75b0df7b9bb
SHA256

fd987d623939a8b69f25a2b8350fb6e76a51e77545add40658fc60f00950d625
SHA512

fef81ef730e17f1a71f47c2c75be4f25c31a66f2d372fc4a249546c0234c37034627d070412c0a62c492bdfb9a0d0930e1e9ad9489d6c79642c65d28c8dfeb9e
SSDEEP

12288:5XiGDGvPSL84r6h7okw3DmKyhouWMNR5ZcnFzFJ+RsuDv5YQVqsjKx:5XvDGCLbr6h73klHuZ2nFf+RJvuQF4

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot5954474519:AAEGnfW1mRvGRxq-zIAvwJfpKEbhLLiqVaM/

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1736	myzbfyqfd.exe
2012	myzbfyqfd.exe

Loads dropped DLL 1 IoCs

pid	Process
1736	myzbfyqfd.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
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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myzbfyqfd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myzbfyqfd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myzbfyqfd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1536 set thread context of 1504	1536	test.exe	27
PID 1736 set thread context of 2012	1736	myzbfyqfd.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
964	1536	WerFault.exe	26

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	RegSvcs.exe
Token: SeDebugPrivilege	2012	myzbfyqfd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1536	test.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 1504	1536	test.exe	27
PID 1536 wrote to memory of 964	1536	test.exe	28
PID 1536 wrote to memory of 964	1536	test.exe	28
PID 1536 wrote to memory of 964	1536	test.exe	28
PID 1536 wrote to memory of 964	1536	test.exe	28
PID 1928 wrote to memory of 1736	1928	taskeng.exe	31
PID 1928 wrote to memory of 1736	1928	taskeng.exe	31
PID 1928 wrote to memory of 1736	1928	taskeng.exe	31
PID 1928 wrote to memory of 1736	1928	taskeng.exe	31
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32
PID 1736 wrote to memory of 2012	1736	myzbfyqfd.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myzbfyqfd.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myzbfyqfd.exe

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  -arguments
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 216
  2⤵
  - Program crash
  PID:964

C:\Windows\system32\taskeng.exe
taskeng.exe {1995FE57-A5C4-4392-9BCD-982669FB4439} S-1-5-21-3499517378-2376672570-1134980332-1000:MLXLFKOI\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\myzbfyqfd.exe
  C:\Users\Admin\AppData\Local\Temp\myzbfyqfd.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Users\Admin\AppData\Local\Temp\myzbfyqfd.exe
    "C:\Users\Admin\AppData\Local\Temp\myzbfyqfd.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2012

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\myzbfyqfd.exe

Filesize
791KB

MD5
08be52e59bce030aad246ddf3fbb0c26

SHA1
2620e4873b25739c869839698eadbcefa215294a

SHA256
2ad182e3e7b18f1d0f0ef1c3c771b6b8112cb25a0ad5cd2f4e53462addb6bb4c

SHA512
fb01d4e42f7591ee25df31c35e162b8026450f497423676c518f7e983497f2675d36b4a4f7b5da25769c759ddaf1ed0d8c5d9f5d2afdf1c054ae5fec62513a04

Download Submit
C:\Users\Admin\AppData\Local\Temp\myzbfyqfd.exe

Filesize
791KB

MD5
08be52e59bce030aad246ddf3fbb0c26

SHA1
2620e4873b25739c869839698eadbcefa215294a

SHA256
2ad182e3e7b18f1d0f0ef1c3c771b6b8112cb25a0ad5cd2f4e53462addb6bb4c

SHA512
fb01d4e42f7591ee25df31c35e162b8026450f497423676c518f7e983497f2675d36b4a4f7b5da25769c759ddaf1ed0d8c5d9f5d2afdf1c054ae5fec62513a04

Download Submit
C:\Users\Admin\AppData\Local\Temp\myzbfyqfd.exe

Filesize
791KB

MD5
08be52e59bce030aad246ddf3fbb0c26

SHA1
2620e4873b25739c869839698eadbcefa215294a

SHA256
2ad182e3e7b18f1d0f0ef1c3c771b6b8112cb25a0ad5cd2f4e53462addb6bb4c

SHA512
fb01d4e42f7591ee25df31c35e162b8026450f497423676c518f7e983497f2675d36b4a4f7b5da25769c759ddaf1ed0d8c5d9f5d2afdf1c054ae5fec62513a04

Download Submit
\Users\Admin\AppData\Local\Temp\myzbfyqfd.exe

Filesize
791KB

MD5
08be52e59bce030aad246ddf3fbb0c26

SHA1
2620e4873b25739c869839698eadbcefa215294a

SHA256
2ad182e3e7b18f1d0f0ef1c3c771b6b8112cb25a0ad5cd2f4e53462addb6bb4c

SHA512
fb01d4e42f7591ee25df31c35e162b8026450f497423676c518f7e983497f2675d36b4a4f7b5da25769c759ddaf1ed0d8c5d9f5d2afdf1c054ae5fec62513a04

Download Submit
memory/1504-78-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-98-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-66-0x00000000021E0000-0x0000000002220000-memory.dmp

Filesize
256KB

Download
memory/1504-70-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-68-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-67-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-72-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-76-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-74-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-56-0x0000000000090000-0x0000000000130000-memory.dmp

Filesize
640KB

Download
memory/1504-82-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-84-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-80-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-88-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-86-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-90-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-92-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-94-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-96-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-108-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-100-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-102-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-104-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-110-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-65-0x0000000004A10000-0x0000000004B02000-memory.dmp

Filesize
968KB

Download
memory/1504-106-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-112-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-114-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-116-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-118-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-120-0x0000000004A10000-0x0000000004AFC000-memory.dmp

Filesize
944KB

Download
memory/1504-2381-0x00000000006F0000-0x0000000000746000-memory.dmp

Filesize
344KB

Download
memory/1504-2382-0x00000000043D0000-0x000000000441C000-memory.dmp

Filesize
304KB

Download
memory/1504-2383-0x00000000021E0000-0x0000000002220000-memory.dmp

Filesize
256KB

Download
memory/1504-2384-0x0000000004420000-0x0000000004474000-memory.dmp

Filesize
336KB

Download
memory/1504-64-0x0000000000090000-0x0000000000130000-memory.dmp

Filesize
640KB

Download
memory/1504-63-0x0000000000090000-0x0000000000130000-memory.dmp

Filesize
640KB

Download
memory/1504-57-0x0000000000090000-0x0000000000130000-memory.dmp

Filesize
640KB

Download
memory/1504-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1736-2393-0x0000000000300000-0x000000000030C000-memory.dmp

Filesize
48KB

Download
memory/1736-2392-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/1736-2391-0x00000000002F0000-0x0000000000302000-memory.dmp

Filesize
72KB

Download
memory/1736-2394-0x00000000057D0000-0x0000000005858000-memory.dmp

Filesize
544KB

Download
memory/1736-2395-0x0000000000C40000-0x0000000000C90000-memory.dmp

Filesize
320KB

Download
memory/1736-2390-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/1736-2389-0x0000000000310000-0x00000000003DC000-memory.dmp

Filesize
816KB

Download
memory/2012-2408-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2012-2409-0x0000000004E70000-0x0000000004EB0000-memory.dmp

Filesize
256KB

Download
memory/2012-2410-0x0000000004E70000-0x0000000004EB0000-memory.dmp

Filesize
256KB

Download