agenttesla | ef19b2c3aed5c8ab5ff4e5c8258a5c9a2dca32258315f321cb7aa34a6932b600

General

Target

1294049_2W280UW.pdf.exe
Size

644KB
MD5

2302cf686c86a5fcf0de2ce81639e02f
SHA1

d3021a6df4ec281a32a8dabfba2713afce909b82
SHA256

c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3
SHA512

f93efc3241a7106bbf86010ba9aa6ee923f81c231b3c53aae6b01e86e3128fce136bc41faebdf049c5093448dbc6c6559564348a8573e0af8b75d58bf635bf8d
SSDEEP

12288:wUSW0SrcZORsx63041JJOrOcmGvDwzUawF3H6dBMBLde1HsMwP4p5PkR:uW0SEx63f13OrPnaK3YMBc1H75K

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
u;4z3V.Iir1l

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
3028	powershell.exe

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 3 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

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2744	2512	1294049_2W280UW.pdf.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1294049_2W280UW.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1294049_2W280UW.pdf.exe

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
2844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2512	1294049_2W280UW.pdf.exe
2512	1294049_2W280UW.pdf.exe
2744	1294049_2W280UW.pdf.exe
2744	1294049_2W280UW.pdf.exe
3028	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	1294049_2W280UW.pdf.exe
Token: SeDebugPrivilege	2744	1294049_2W280UW.pdf.exe
Token: SeDebugPrivilege	3028	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 3028	2512	1294049_2W280UW.pdf.exe	31
PID 2512 wrote to memory of 3028	2512	1294049_2W280UW.pdf.exe	31
PID 2512 wrote to memory of 3028	2512	1294049_2W280UW.pdf.exe	31
PID 2512 wrote to memory of 3028	2512	1294049_2W280UW.pdf.exe	31
PID 2512 wrote to memory of 2844	2512	1294049_2W280UW.pdf.exe	33
PID 2512 wrote to memory of 2844	2512	1294049_2W280UW.pdf.exe	33
PID 2512 wrote to memory of 2844	2512	1294049_2W280UW.pdf.exe	33
PID 2512 wrote to memory of 2844	2512	1294049_2W280UW.pdf.exe	33
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35
PID 2512 wrote to memory of 2744	2512	1294049_2W280UW.pdf.exe	35

C:\Users\Admin\AppData\Local\Temp\1294049_2W280UW.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\1294049_2W280UW.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bqkYjAmCJyUE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3028
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bqkYjAmCJyUE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDE9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2844
- C:\Users\Admin\AppData\Local\Temp\1294049_2W280UW.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\1294049_2W280UW.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCDE9.tmp

Filesize
1KB

MD5
503188dd1549918e54c515b45d14ca92

SHA1
b9110f09df2aa45aa61c2583c7dc7b4455c3af18

SHA256
aa2315884a40abb0a931daf95094fac6f8486c1376f39556508e95affb7424e0

SHA512
612f0ddb07bbecc652cd4cc5da797650468e60d843d487d9c172f22bdae29d8e02689f62836fc73edf4ec4f02b26b975e2a27280d37d567bf08dceb2daf68cf0

Download Submit
memory/2512-27-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2512-1-0x00000000008F0000-0x0000000000994000-memory.dmp

Filesize
656KB

Download
memory/2512-2-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2512-3-0x00000000004C0000-0x00000000004D2000-memory.dmp

Filesize
72KB

Download
memory/2512-4-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2512-5-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2512-6-0x00000000058E0000-0x0000000005964000-memory.dmp

Filesize
528KB

Download
memory/2512-0-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2744-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads