agenttesla | bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 01:46

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General

Target

bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe
Size

802KB
MD5

41413fc60a8ab3de8dd4c588cf655ac8
SHA1

3a712fbb23cacb731e225f5cc07ee3c669e16e6b
SHA256

bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c
SHA512

cc23d86565ffa4101770bddcccea607546b911cae16651869d18a94ddf9e859fe1af58c1844dd3dba8013471ae7334755bfe7a6f07d99cb78985047c8de690d5
SSDEEP

12288:jdjofC1PqbsDovxW4y2a40hAmT8Ed8wWeBXtgJJg2NdduvEspw:D1qYD143aHhmEd8wpBXtgg2n0ca

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
UTjMgxC7qqqqG5651@@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1040 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe

description pid process target process

PID 1928 set thread context of 2604 1928 bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2676 schtasks.exe

pid	process
1040	powershell.exe

description	pid	process	target process
PID 1928 set thread context of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe

pid	process
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exeMSBuild.exepowershell.exe

pid	process
1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe
1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe
2604	MSBuild.exe
2604	MSBuild.exe
1040	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exeMSBuild.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1928 bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe
Token: SeDebugPrivilege 2604 MSBuild.exe
Token: SeDebugPrivilege 1040 powershell.exe

description	pid	process
Token: SeDebugPrivilege	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe
Token: SeDebugPrivilege	2604	MSBuild.exe
Token: SeDebugPrivilege	1040	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe

description	pid	process	target process
PID 1928 wrote to memory of 1040	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	powershell.exe
PID 1928 wrote to memory of 1040	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	powershell.exe
PID 1928 wrote to memory of 1040	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	powershell.exe
PID 1928 wrote to memory of 1040	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	powershell.exe
PID 1928 wrote to memory of 2676	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	schtasks.exe
PID 1928 wrote to memory of 2676	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	schtasks.exe
PID 1928 wrote to memory of 2676	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	schtasks.exe
PID 1928 wrote to memory of 2676	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	schtasks.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe
PID 1928 wrote to memory of 2604	1928	bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe
"C:\Users\Admin\AppData\Local\Temp\bfdeb36839c4bea7f10ff81531bf3bc7994d13ac97060f72154c61e5e3dbbd8c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rijwHXlSipb.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1040

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rijwHXlSipb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4460.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2676

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2604

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4460.tmp
Filesize
1KB

MD5
b0dc62ebbb0eb17c4e7333803e225c4e

SHA1
d5ef26cb40fe32cc5832de1d551246cdb17eb0f1

SHA256
d322711accfaec657cb3665e9ac4d67703f8ee36ef5fafde2730968d266cddcc

SHA512
11bd3b8de49aaf4cf4e5597f6e1f8e1a1e2928788005c426914396ad4e1297db25f7ac374e3acfa1e253aa43aa7657a8e56ef8a4b455d78af12c70c7ad89a29e

Download Submit
memory/1928-26-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/1928-1-0x0000000000250000-0x000000000031E000-memory.dmp

Filesize
824KB

Download
memory/1928-2-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/1928-4-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download
memory/1928-3-0x00000000004F0000-0x000000000050A000-memory.dmp

Filesize
104KB

Download
memory/1928-5-0x0000000000460000-0x000000000046C000-memory.dmp

Filesize
48KB

Download
memory/1928-6-0x000000000D190000-0x000000000D212000-memory.dmp

Filesize
520KB

Download
memory/1928-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/2604-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2604-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2604-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2604-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2604-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2604-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2604-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download