agenttesla | fb37e9bdbfbb7d761432783f5a1c9da901542426bb386bb611c9ac5f2b8ad8fc

General

Target

MalwareBazaar.exe
Size

714KB
MD5

3f7c84c76dfaea941ef90605c1cd21ba
SHA1

992ece1862127ed2ca5ca313238919c329498d24
SHA256

fb37e9bdbfbb7d761432783f5a1c9da901542426bb386bb611c9ac5f2b8ad8fc
SHA512

6d4697e38e5e8ef4aa2f04ed5edd827da9ef20b4b1afa54570fa39187da93f9e947b02f7475ec334e56777f837650d6ba9093af07e55d96e81b6d068dc41d1e4
SSDEEP

12288:yfpWOhxz036s1YPTzJonZtC1bqqAv6vbTwjHsX8f+FIDAM839:yj9036skJWCtqqAowHG5Ft9

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cp5ua.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

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

pid	Process
2852	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2348 set thread context of 2564	2348	MalwareBazaar.exe	35

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

pid	Process
2396	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2348	MalwareBazaar.exe
2348	MalwareBazaar.exe
2348	MalwareBazaar.exe
2348	MalwareBazaar.exe
2564	MalwareBazaar.exe
2564	MalwareBazaar.exe
2852	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	MalwareBazaar.exe
Token: SeDebugPrivilege	2564	MalwareBazaar.exe
Token: SeDebugPrivilege	2852	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2852	2348	MalwareBazaar.exe	30
PID 2348 wrote to memory of 2852	2348	MalwareBazaar.exe	30
PID 2348 wrote to memory of 2852	2348	MalwareBazaar.exe	30
PID 2348 wrote to memory of 2852	2348	MalwareBazaar.exe	30
PID 2348 wrote to memory of 2396	2348	MalwareBazaar.exe	32
PID 2348 wrote to memory of 2396	2348	MalwareBazaar.exe	32
PID 2348 wrote to memory of 2396	2348	MalwareBazaar.exe	32
PID 2348 wrote to memory of 2396	2348	MalwareBazaar.exe	32
PID 2348 wrote to memory of 2880	2348	MalwareBazaar.exe	34
PID 2348 wrote to memory of 2880	2348	MalwareBazaar.exe	34
PID 2348 wrote to memory of 2880	2348	MalwareBazaar.exe	34
PID 2348 wrote to memory of 2880	2348	MalwareBazaar.exe	34
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35
PID 2348 wrote to memory of 2564	2348	MalwareBazaar.exe	35

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\niCncTvOtZ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\niCncTvOtZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4EAC.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2396
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  PID:2880
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4EAC.tmp

Filesize
1KB

MD5
bbcd9903d4fcdd387051bce398ffb818

SHA1
38e7abd0d9ccc3dd4333412b067f23a607cc4ed4

SHA256
91a9285d77ca3c41a6aeb53ad81f9efb7fa25414e14c03d3eb8a4a3507b80e6b

SHA512
b4d39817f8122ded34e8d2bb33ec56a4610b5d701c4b68541986f61489adeff2480c73e232a2816d52c094d5e224a7852b9aaa64b715efe4c98d950b1eaa4f49

Download Submit
memory/2348-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

Filesize
4KB

Download
memory/2348-1-0x0000000000AF0000-0x0000000000BA8000-memory.dmp

Filesize
736KB

Download
memory/2348-2-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-3-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2348-4-0x0000000000570000-0x000000000057E000-memory.dmp

Filesize
56KB

Download
memory/2348-5-0x0000000004890000-0x0000000004912000-memory.dmp

Filesize
520KB

Download
memory/2348-26-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2564-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2564-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2564-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2564-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2564-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2564-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads